SIST EN 2240-075:2011

Overview

SIST EN 2240-075:2011 is a European standard that details the essential characteristics for the lamp, code 5448 used in aerospace applications. Developed under the Aerospace series - Lamps, incandescent standards, this document provides comprehensive requirements for this type of incandescent lamp, ensuring reliability and interoperability in demanding aviation and aerospace environments. The standard is maintained by SIST and aligns with the wider EN 2240 series and EN 2756 for aerospace lighting components.

Key Topics

• Scope and Applicability

  • Specifies required characteristics for lamp code 5448 intended for aerospace electrical systems.
  • Must be used in conjunction with EN 2756, which covers test methods for such lamps.

• Technical Requirements

  • Defines crucial lamp attributes such as rated voltage, current, luminous flux, color temperature, and physical dimensions.
  • Details marking requirements, including the use of international code numbers for identification.
  • Establishes the form and type of filament, lamp cap designation, and mass.

• Normative References

  • Incorporates several related standards ensuring consistency:
    • EN 2240-001: Technical specification for incandescent lamps.
    • EN 2240-002: Main characteristics of aerospace lamps.
    • EN 2241: Standards for lamp caps and their dimensions.
    • EN 2756: Test methods for incandescent aerospace lamps.

Applications

SIST EN 2240-075:2011 provides tangible benefits and practical value in the following contexts:

• Aerospace Electrical Systems

  • Ensures standardization for lamps used in cockpit, cabin, instrumentation, and exterior aerospace lighting systems.
  • Facilitates reliable operation under fluctuating electrical and environmental conditions commonly encountered in aviation.

• Maintenance, Repair, and Overhaul (MRO)

  • Simplifies procurement and replacement of lamps by specifying uniform product characteristics.
  • Reduces the risk of incompatibility and enhances supply chain efficiency for airlines, MRO providers, and aerospace manufacturers.

• Quality Assurance and Compliance

  • Enables manufacturers and suppliers to demonstrate compliance with recognized European and international lamp standards.
  • Supports certification and regulatory approval processes by providing clear, authoritative reference criteria.

• International Collaboration

  • Promotes consistency across aerospace programs within Europe and internationally by harmonizing lamp specifications and test methods.

Related Standards

To ensure comprehensive coverage and compatibility within aerospace lighting systems, SIST EN 2240-075:2011 should be used together with these standards:

• EN 2240-001 - Technical specification covering the general requirements for incandescent aerospace lamps.
• EN 2240-002 - Outlines the main performance characteristics for lamps in the aerospace series.
• EN 2241 - Defines the dimensions and requirements for lamp caps, ensuring proper fit and function.
• EN 2756 - Details standardized test methods aimed at verifying lamp performance and durability in aerospace applications.

By aligning with these related documents, users can achieve robust, interoperable, and reliable aerospace lighting solutions in line with European and international expectations.

Keywords: SIST EN 2240-075:2011, aerospace series, incandescent lamps, lamp code 5448, aviation lighting standard, EN 2240, SIS, aerospace electrical systems, lamp specifications, aerospace standardization, lamp marking, maintenance, test methods.