EN 60730-2-16:1997/A1:1998
(Amendment)Automatic electrical controls for household and similar use - Part 2-16: Particular requirements for automatic electrical water level controls of the float type for household and similar applications
General Information
- Abstract
Corrigendum to EN/A1 issued May 2000 * Superseded by EN 60730-2-15:2010
- Status
- Withdrawn
- Publication Date
- 02-Apr-1998
- Withdrawal Date
- 31-May-2004
- Technical Committee
- CLC/TC 72 - Automatic controls for household use
- Drafting Committee
- IEC/TC 72 - IEC_TC_72
- Parallel Committee
- IEC/TC 72 - IEC_TC_72
- Current Stage
- 9960 - Withdrawal effective - Withdrawal
- Start Date
- 01-Mar-2013
- Completion Date
- 01-Mar-2013
- Directive
- Not Harmonized2006/95/EC - Directive 2006/95/EC of the European Parliament and of the Council of 12 December 2006 on the harmonisation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits (codified version)OJ Ref: C 71/, C 71/17, C 245/01 OJ Date: 14-Aug-2012
Not Harmonized73/23/EEC - Electrical equipment designed for use within certain voltage limitsOJ Ref: C 208
Relations
- Effective Date
- 28-Jan-2023
- Effective Date
- 29-Jan-2023
Frequently Asked Questions
EN 60730-2-16:1997/A1:1998 is a amendment published by CLC. Its full title is "Automatic electrical controls for household and similar use - Part 2-16: Particular requirements for automatic electrical water level controls of the float type for household and similar applications". This standard covers: Corrigendum to EN/A1 issued May 2000 * Superseded by EN 60730-2-15:2010
Corrigendum to EN/A1 issued May 2000 * Superseded by EN 60730-2-15:2010
EN 60730-2-16:1997/A1:1998 is classified under the following ICS (International Classification for Standards) categories: 97.120 - Automatic controls for household use. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 60730-2-16:1997/A1:1998 has the following relationships with other standards: It is inter standard links to EN 60730-2-15:2010, EN 60730-2-16:1997. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 60730-2-16:1997/A1:1998 is associated with the following European legislation: EU Directives/Regulations: 2006/95/EC, 73/23/EEC. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
EN 60730-2-16:1997/A1:1998 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI SIST EN 60730-2-
16:1998/A1:1999
prva izdaja
STANDARD
julij 1999
Automatic electrical controls for household and similar use -- Part 2: Particular
requirements for automatic electrical water level operating controls of the float type
for household and similar applications - Amendment A1
...
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This clause of Part 1 is replaced by the following:
This part of IEC 60730 applies to automatic displacement electrical controls
– for use in, on, or in association with appliances for household and similar use;
NOTE 1 Through this document, the word "control" means "displacement electrical control".
EXAMPLE 1 Displacement electrical controls used in electrical pressure cookers with gross volume up to 25 l, with working pressure over 4 kPa and less than 150 kPa.
– that are AC or DC powered controls with a rated voltage not exceeding 690 V AC or 600 V DC;
– used in, on, or in association with equipment that use electricity;
– that are mechanically or electrically operated, responsive to change of position of point of action.
NOTE 2 Requirements for manual switches not forming part of an automatic control are covered in IEC 61058-1-1.
This document applies to
– inherent safety of automatic electro-mechanical displacement electrical controls;
– functional safety of automatic electro-mechanical displacement electrical controls;
– the operating values, operating times, and operating sequences where such are associated with equipment safety;
– displacement electrical controls having temperature sensing element(s), in which cases additional requirements can be considered to be necessary. Requirements for temperature sensing controls are included in IEC 60730-2-9.
This document specifies the requirements for construction, operation and testing of automatic displacement electrical controls used in, on, or in association with equipment.
This document does not
– apply to automatic electronic controls;
– take into account the response value of an automatic action of a control, if such a response value is dependent upon the method of mounting the control in the equipment. Where a response value is of significant purpose for the protection of the user, or surroundings, the value defined in the appropriate equipment standard or as determined by the manufacturer applies.
NOTE 3 For more information about guidance to the application of displacement electrical controls, see Annex AA.
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IEC 60730-2-15:2026 applies to automatic electrical air flow, water flow and water level sensing controls - for use in, on, or in association with boilers with a maximum pressure rating of 2 000 kPA (20 bar) and equipment for general household and similar use including controls for heating, air-conditioning and similar applications; NOTE 1 Throughout this document, the word "equipment" means "appliance and equipment" and "controls" means "automatic electrical air flow, water flow and water level sensing controls". EXAMPLE 1 Water flow and water level sensing controls of the float or electrode-sensor type used in boiler applications and air flow, water flow and water level sensing controls for swimming pool pumps, water tank pumps, cooling towers, dishwashers, washing machines, air conditioning chillers and ventilation applications. - for building automation within the scope of ISO 16484 series and IEC 63044 series (HBES/BACS); EXAMPLE 2 Independently mounted air flow, water flow and water level sensing controls in smart grid systems and controls for building automation systems within the scope of ISO 16484-2. - for equipment that is used by the public, such as equipment intended to be used in shops, offices, hospitals, farms and commercial and industrial applications; EXAMPLE 3 Controls for commercial boilers, heating and air-conditioning equipment. - that are smart enabled controls; EXAMPLE 4 Smart grid control, remote interfaces/control of energy-consuming equipment including computer or smart phone. - that are AC or DC powered controls with a rated voltage not exceeding 690 V AC or 600 V DC; - used in, on, or in association with equipment that use electricity, gas, oil, solid fuel, solar thermal energy, etc., or a combination thereof; - utilized as part of a control system or controls which are mechanically integral with multifunctional controls having non-electrical outputs; - using NTC or PTC thermistors and to discrete thermistors, requirements for which are contained in Annex J; - that are mechanically or electrically operated, responsive to or controlling air flow, water flow and water level; - as well as manual controls when such are electrically and/or mechanically integral with automatic controls. NOTE 2 Requirements for manually actuated mechanical switches not forming part of an automatic control are contained in IEC 61058-1-1. This document applies to - the inherent safety of automatic electrical air flow, water flow and water level sensing controls, and - functional safety of automatic air flow, water flow and water level sensing electrical controls and safety related systems, - controls where the performance (for example the effect of EMC phenomena) of the product can impair the overall safety and performance of the controlled system, - the operating values, operating times, and operating sequences where such are associated with equipment safety. This document specifies the requirements for construction, operation and testing of automatic electrical air flow, water flow and water level sensing controls used in, on, or in association with an equipment. This document takes into account the response value of an automatic action of a control where such a response value is dependent upon the method of mounting the control. Where a response value is of significant purpose for the protection of the user, or surroundings, the value defined in the appropriate h
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This clause of Part 1 is replaced by the following:
This document applies to temperature sensing controls
– for use in, on, or in association with equipment for household appliance and similar use, including equipment for heating, air-conditioning and similar applications. The equipment can use electricity, gas, oil, solid fuel, solar thermal energy, etc., or a combination thereof.
NOTE 1 Throughout this document, the word "equipment" means "appliance and equipment" and "controls" means "temperature sensing controls".
– for building automation within the scope of ISO 16484 series and IEC 63044 series (HBES/BACS);
EXAMPLE 1 Independently mounted temperature sensing controls, controls in smart grid systems and controls for building automation systems within the scope of ISO 16484-2.
– for equipment that is used by the public, such as equipment intended to be used in shops, offices, hospitals, farms and commercial and industrial applications;
EXAMPLE 2 Controls for commercial catering, heating and air-conditioning equipment.
– that are smart enabled controls;
EXAMPLE 3 Smart grid control, remote interfaces/control of energy-consuming equipment including computer or smart phone.
– that are AC or DC powered controls with a rated voltage not exceeding 690 V AC or 600 V DC;
– used in, on, or in association with equipment that use electricity, gas, oil, solid fuel, solar thermal energy, etc., or a combination thereof;
– utilized as part of a control system or controls which are mechanically integral with multifunctional controls having non-electrical outputs;
– using NTC or PTC thermistors and to discrete thermistors, requirements for which are contained in Annex J;
– that have electrical circuits and control circuits which are, for example, operated by bimetals, magnet coils, memory metals, pressure elements, temperature-sensitive
expansion elements or electronic elements.
– as well as manual controls when such are electrically and/or mechanically integral with automatic controls.
NOTE 2 Requirements for manually actuated mechanical switches not forming part of an automatic control are contained in IEC 61058-1-1.
This document applies to
– the inherent safety of automatic electrical controls, and
– functional safety of temperature sensing controls and safety related systems,
– controls where the performance (for example the effect of EMC phenomena) of the product can impair the overall safety and performance of the controlled system,
– the operating values, operating times, and operating sequences where such are associated with equipment safety and to the testing of automatic electrical temperature sensing control devices used in, or in association with, equipment,
EXAMPLE 4 Boiler thermostats, fan controls, temperature limiters and thermal cut-outs.
– electrical safety of temperature sensing controls with non-electrical outputs such as refrigerant flow and gas controls,
– single-operation devices as defined in this document.
This document specifies the requirements for construction, operation and testing of automatic electrical controls used in, on, or in association with an equipment.
This document does not
– apply to automatic electrical temperature sensing controls intended exclusively for industrial process applications unless explicitly mentioned in the relevant part 2 or the equipment standard. However, this document can be applied to evaluate automatic electrical controls intended specifically for industrial applications in cases where no relevant safety standard exists.
– take into account the response value of an automatic action of a control, if such a response value is dependent upon the method of mounting the control in the equipment. Where a response value is of significant purpose for the protection of the user, or surroundings, the value defined in the appropriate equipment standard or as determined by the manufacturer will apply.
– address the integrity of the output signal to the networ
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IEC 60730-2-5:2026 applies to automatic electrical burner control systems for the automatic control of burners for oil, gas, coal or other combustibles intended to be used - for household and similar use; - in shops, offices, hospitals, farms and commercial and industrial applications; NOTE 1 Throughout this document, where it can be used unambiguously, the word "system" means "burner control system" and "systems" means "burner control systems". - for equipment that is used by the public, such as equipment intended to be used in shops, offices, hospitals, farms and commercial and industrial applications; NOTE 2 Throughout this document, the word "equipment" means "appliance and equipment." EXAMPLE 1 Controls for commercial catering, heating and air-conditioning equipment. - that are smart enabled controls; EXAMPLE 2 Remote interfaces/control of burner operations. - that are AC or DC powered controls with a rated voltage not exceeding 690 V AC or 600 V DC; - used in, on, or in association with equipment that use electricity, gas, oil, solid fuel, solar thermal energy, etc., or a combination thereof; - utilized as part of a control system or controls which are mechanically integral with multifunctional controls having non-electrical outputs; - using NTC or PTC thermistors and to discrete thermistors, requirements for which are contained in Annex J; - that are mechanically or electrically operated, responsive to or controlling such characteristics as temperature, pressure, passage of time, humidity, light, electrostatic effects, flow, or liquid level, current, voltage, acceleration, or combinations thereof; - as well as manual controls when such are electrically and/or mechanically integral with automatic controls. NOTE 3 Requirements for manually actuated mechanical switches not forming part of an automatic control are contained in IEC 61058-1-1. This document is applicable - to a complete burner control system; - to a separate programming unit; - to a separate electronic high-voltage ignition source; - to a separate flame detector, and - to a separate high-temperature operation (HTO) detector. - to a burner control system intended to be used in warm air heating appliances (furnaces) where the appliance is equipped with an electromechanical differential pressure control to monitor the difference of the combustion air pressure (Type 2.AL). This pressure control provides a switch as an alternative to one of the two switching elements to directly de-energize the safety relevant terminals. This document does not apply to thermoelectric flame supervision controls; thermoelectric flame supervision controls are covered by ISO 23551-6:2021. This document also applies to electrical burner control systems intended exclusively for industrial process applications e.g. those applications covered by ISO TC 244 (ISO 13577 series). This document applies to controls powered by primary or secondary batteries, requirements for which are contained within the standard. This document applies to - the inherent safety of automatic electrical burner control systems, and - functional safety of automatic electrical burner control systems, - automatic electrical burner control systems where the performance (for example the effect of EMC phenomena) of the product can impair the overall safety and perfo
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IEC 60730-2-12:2025 applies to automatic electrically operated door locks • for use in, on, or in association with equipment for household appliance and similar use, including equipment for heating, air-conditioning and similar applications; NOTE 1 Throughout this document, the word "equipment" means "appliance and equipment" and "controls" means "door locks". NOTE 2 Throughout this document, the word "door" means "door, cover or lid". The words "door lock" means "electrically operated door lock". • for equipment that is used by the public, such as equipment intended to be used in shops, offices, hospitals, farms and commercial and industrial applications; EXAMPLE 1 Controls for commercial catering, heating and air-conditioning equipment. • that are AC or DC powered controls with a rated voltage not exceeding 690 V AC or 600 V DC; • used in, on, or in association with equipment that use electricity, gas, oil, solid fuel, solar thermal energy, etc., or a combination thereof; • utilized as part of a control system or controls which are mechanically integral with multifunctional controls having non-electrical outputs; • using NTC or PTC thermistors and to discrete thermistors, requirements for which are contained in Annex J; • that have electrical circuits and control circuits which are, for example, operated by bimetals, magnet coils, memory metals, pressure elements, temperature-sensitive expansion elements or electronic elements. NOTE 3 Requirements for manually actuated mechanical switches not forming part of an automatic control are contained in IEC 61058-1-1. This document applies to - the inherent safety of electrically operated door locks, and - functional safety of electrically operated door locks and safety related systems, - electrically operated door locks where the performance (for example the effect of EMC phenomena) of the product can impair the overall safety and performance of the controlled system, - the operating values, operating times, and operating sequences where such are associated with equipment safety. This document specifies the requirements for construction, operation and testing of automatic electrical controls used in, on, or in association with an equipment. This document does not • apply to electrically operated door locks intended exclusively for industrial process applications unless explicitly mentioned in the relevant part 2 or the equipment standard. However, this document can be applied to evaluate automatic electrical controls intended specifically for industrial applications in cases where no relevant safety standard exists; • take into account the response value of an automatic action of a control, if such a response value is dependent upon the method of mounting the control in the equipment. Where a response value is of significant purpose for the protection of the user, or surroundings, the value defined in the appropriate equipment standard or as determined by the manufacturer will apply; • address the integrity of the output signal to the network devices, such as interoperability with other devices unless it has been evaluated as part of the control system. This fourth edition cancels and replaces the third edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: Adoption of IEC
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IEC 60730-2-13:2025 applies to automatic electrical humidity sensing controls • for use in, on, or in association with equipment for household appliance and similar use; NOTE 1 Throughout this document, the word "equipment" means "appliance and equipment" and "controls" means "humidity sensing control". • for building automation within the scope of ISO 16484 series and IEC 63044 series (HBES/BACS); • for equipment that is used by the public, such as equipment intended to be used in shops, offices, hospitals, farms and commercial and industrial applications; EXAMPLE 1 Humidity sensing controls for commercial catering, heating and air-conditioning equipment. • that are smart enabled controls; EXAMPLE 2 Smart grid control, remote interfaces/control of energy-consuming equipment including computer or smart phone. • that are AC or DC powered controls with a rated voltage not exceeding 690 V AC or 600 V DC; • used in, on, or in association with equipment that use electricity, gas, oil, solid fuel, solar thermal energy, etc., or a combination thereof; • utilized as part of a control system or controls which are mechanically integral with multifunctional controls having non-electrical outputs; • using NTC or PTC thermistors and to discrete thermistors, requirements for which are contained in Annex J; • that are mechanically or electrically operated, responsive to or controlling such characteristics as temperature, pressure, passage of time, humidity, light, electrostatic effects, flow, or liquid level, current, voltage, acceleration, or combinations thereof; • as well as manual controls when such are electrically and/or mechanically integral with automatic controls. NOTE 2 Requirements for manually actuated mechanical switches not forming part of an automatic control are contained in IEC 61058-1-1. This document applies to – the inherent safety of automatic electrical humidity sensing controls, and – functional safety of automatic electrical humidity sensing controls and safety related systems, – humidity sensing controls where the performance (for example the effect of EMC phenomena) of the product can impair the overall safety and performance of the controlled system, – the operating values, operating times, and operating sequences where such are associated with equipment safety. This document specifies the requirements for construction, operation and testing of automatic electrical humidity sensing controls used in, on, or in association with an equipment. This document does not • apply to automatic electrical humidity sensing controls intended exclusively for industrial process applications unless explicitly mentioned in the relevant part 2 or the equipment standard. However, this document can be applied to evaluate humidity sensing controls intended specifically for industrial applications in cases where no relevant safety standard exists; • take into account the response value of an automatic action of a humidity sensing control, if such a response value is dependent upon the method of mounting the humidity sensing control in the equipment. Where a response value is of significant purpose for the protection of the user, or surroundings, the value defined in the appropriate equipment standard or as determined by the manufacturer will apply; • address the integrity of the output signal to the network devices, such as interoperability with other devices unless it has been evaluated a
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IEC 60730-2-6:2025 applies to automatic electrical pressure sensing controls • for use in, on, or in association with equipment for household appliance and similar use; NOTE 1 Throughout this document, the word "equipment" means "appliance and equipment" and "controls" means "pressure sensing controls". • for building automation within the scope of ISO 16484 series and IEC 63044 series (HBES/BACS); EXAMPLE 1 Independently mounted automatic electrical pressure sensing controls, controls in smart grid systems and controls for building automation systems within the scope of ISO 16484-2. • for equipment that is used by the public, such as equipment intended to be used in shops, offices, hospitals, farms and commercial and industrial applications; EXAMPLE 2 Automatic electrical pressure sensing controls for commercial catering, heating and air-conditioning equipment. • that are smart enabled automatic electrical pressure sensing controls; EXAMPLE 3 Smart grid automatic electrical pressure sensing controls, remote interfaces/control of energy-consuming equipment including computer or smart phone. • that are AC or DC powered controls with a rated voltage not exceeding 690 V AC or 600 V DC; • used in, on, or in association with equipment that use electricity, gas, oil, solid fuel, solar thermal energy, etc., or a combination thereof; • utilized as part of a control system or controls which are mechanically integral with multifunctional controls having non-electrical outputs; • using NTC or PTC thermistors and to discrete thermistors, requirements for which are contained in Annex J; • that are mechanically or electrically operated, responsive to or controlling a pressure or vacuum; • as well as manual controls when such are electrically and/or mechanically integral with automatic controls. NOTE 2 Requirements for manually actuated mechanical switches not forming part of an automatic control are contained in IEC 61058-1-1. This document is also applicable to individual pressure sensing controls utilized as part of a control system or pressure sensing controls which are mechanically integral with multi-functional controls having non-electrical outputs. This document is also applicable to pressure sensing controls for appliances within the scope of IEC 60335-1. This document applies to - the inherent safety of pressure sensing controls, and - functional safety of pressure sensing controls and safety related systems, - pressure sensing controls where the performance (for example the effect of EMC phenomena) of the product can impair the overall safety and performance of the controlled system, - the operating values, operating times, and operating sequences where such are associated with equipment safety. This document specifies the requirements for construction, operation and testing of automatic electrical controls used in, on, or in association with an equipment. This document does not • apply to pressure sensing controls intended exclusively for industrial process applications unless explicitly mentioned in the relevant part 2 or the equipment standard. However, this document can be applied to evaluate automatic electrical controls intended specifically for industrial applications in cases where no relevant safety standard exists; • take into account the response value of an automatic action of a pressure sensing control, if such a response value is dependent upon
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IEC 60730-2-11:2025 applies to energy regulators • for use in, on, or in association with equipment for household appliance and similar use; NOTE 1 Throughout this document, the word "equipment" means "appliance and equipment" and "controls" means "energy regulators". • for equipment that is used by the public, such as equipment intended to be used in shops, offices, hospitals, farms and commercial and industrial applications; EXAMPLE 1 Energy regulators for commercial catering, heating and air-conditioning equipment. • that are smart enabled energy regulators; EXAMPLE 2 Smart grid control, remote interfaces/control of energy-consuming equipment including computer or smart phone. • that are AC or DC powered controls with a rated voltage not exceeding 690 V AC or 600 V DC; • used in, on, or in association with equipment that use electricity, gas, oil, solid fuel, solar thermal energy, etc., or a combination thereof; • utilized as part of a control system or controls which are mechanically integral with multifunctional controls having non-electrical outputs; • using NTC or PTC thermistors and to discrete thermistors, requirements for which are contained in Annex J; • that are mechanically or electrically operated, responsive to or controlling such characteristics as temperature, pressure, passage of time, humidity, light, electrostatic effects, flow, or liquid level, current, voltage, acceleration, or combinations thereof; • as well as manual controls when such are electrically and/or mechanically integral with automatic controls. NOTE 2 Requirements for manually actuated mechanical switches not forming part of an automatic control are contained in IEC 61058-1-1. This document applies to - the inherent safety of energy regulators, and - functional safety of energy regulators of low complexity safety related systems and controls, - controls where the performance (for example the effect of EMC phenomena) of the product can impair the overall safety and performance of the controlled system, - the operating values, operating times, and operating sequences where such are associated with equipment safety. - manual energy regulators which are electrically and/or mechanically integral with automatic controls. - energy regulators incorporating electronic devices, requirements for which are contained in Annex H. - the electrical and functional safety of controls capable of receiving and responding to communications signals, including signals for power billing rate and demand response. The signals can be transmitted to or received from external units being part of the control (wired), or to and from external units which are not part of the control (wireless) under test. This document specifies the requirements for construction, operation and testing of automatic energy regulators used in, on, or in association with an equipment. This document does not • apply to automatic energy regulators intended exclusively for industrial process applications unless explicitly mentioned in the relevant part 2 or the equipment standard. However, this document can be applied to evaluate automatic energy regulators intended specifically for industrial applications in cases where no relevant safety standard exists. • take into account the response value of an automatic action of an energy regulator, if such a response value is dependent upon the method of mounting the energy regulator
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IEC 60730-2-8:2025 applies to electrically operated water valves • for use in, on, or in association with equipment for household appliance and similar use; NOTE 1 Throughout this document, the word "equipment" means "appliance and equipment" and "control" means "electrically operated water valve". EXAMPLE 1 Electrically operated water valves for appliances within the scope of IEC 60335. • for building automation within the scope of ISO 16484 series and IEC 63044 series (HBES/BACS); EXAMPLE 2 Independently mounted water valves, controls in smart grid systems and controls for building automation systems within the scope of ISO 16484-2. • for equipment that is used by the public, such as equipment intended to be used in shops, offices, hospitals, farms and commercial and industrial applications; EXAMPLE 3 Electrically operated water valves for commercial catering, heating and air-conditioning equipment. • that are smart enabled electrically operated water valves; EXAMPLE 4 Smart grid control, remote interfaces and controls of energy-consuming equipment including computer or smart phone. • that are AC or DC powered electrically operated water valves with a rated voltage not exceeding 690 V AC or 600 V DC; • used in, on, or in association with equipment that uses electricity, gas, oil, solid fuel, solar thermal energy, etc., or a combination thereof; • utilized as part of a control system or controls which are mechanically integral with multifunctional controls having non-electrical outputs; • using NTC or PTC thermistors and to discrete thermistors, requirements for which are contained in Annex J of Part 1; • responsive to or controlling such characteristics as temperature, pressure, passage of time, humidity, light, electrostatic effects, flow, or liquid level, current, voltage, acceleration, or combinations thereof; • in which actuators and valve bodies are designed to be fitted to each other. • as well as manual controls when such are electrically or mechanically integral with automatic controls. NOTE 2 Requirements for manually actuated mechanical switches not forming part of an automatic control are contained in IEC 61058-1-1. This document applies to - the inherent safety of electrically operated water valves, and - functional safety of electrically operated water valves and safety related systems, - controls where the performance (for example the effect of EMC phenomena) of the product can impair the overall safety and performance of the controlled system, - the operating values, operating times, and operating sequences where such are associated with equipment safety. This document specifies the requirements for construction, operation and testing of electrically operated water valves used in, on, or in association with an equipment. This document contains requirements for electrical features of water valves and requirements for mechanical features of valves that affect their intended operation. This document does not • apply to electrically operated water valves intended exclusively for industrial process applications unless explicitly mentioned in the relevant Part 2 or the equipment standard. However, this document can be applied to evaluate automatic electrical controls intended specifically for industrial applications in cases where no relevant safety standard exists. • apply to - electrically operated water valves of nomi
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