SIST EN 2240-008:2010

Overview

EN 2240-008:2009 is a CEN product standard in the Aerospace series that specifies the required characteristics for lamp, code 75, an incandescent lamp intended for aerospace applications. It is intended to be used together with EN 2756 (test methods) and the EN 2240 family of documents that define technical specification, main characteristics and base dimensions. The standard defines dimensional, electrical, optical and life characteristics as the basis for procurement, testing and interchangeability.

Key topics and requirements

• Scope: Product standard for lamp, code 75, for aerospace use (to be used with EN 2756).
• Electrical characteristics:
  • Nominal voltage: 12 V
  • Nominal current: 0.04 A
  • Nominal power: 0.48 W
• Optical characteristics:
  • Nominal luminous flux: 2.1 lm
  • Colour temperature: 2 180 K
• Lifespan:
  • Static with d.c.: 1 000 h
  • Dynamic with d.c.: 500 h
  • Static with a.c.: 1 500 h
• Mechanical and physical:
  • Form of filament: C - 2F (see EN 2240-002 for filament form definitions)
  • Light Centre Length (LCL): 8 ± 1 mm
  • Mass (for 1 000 lamps): 0.4 kg
  • Cap type: SY4s/7 (refer to EN 2241 for base dimensions)
• Designation and marking:
  • Standard prescribes a designation format (description block + identity block, e.g., LAMP, INCANDESCENT / EN2240-75) and requires marking the international code number on the lamp and packaging where space allows.
• Normative linkage: References EN 2240-001 (technical specification), EN 2240-002 (main characteristics), EN 2241 (lamp base dimensions) and EN 2756 (test methods).

Applications and who uses this standard

• Aerospace component manufacturers specifying or producing incandescent cabin, indicator or instrument lamps requiring standardized dimensions and performance.
• Procurement and supply-chain teams ensuring purchased lamps meet aerospace interoperability and traceability requirements.
• Test laboratories and quality assurance teams applying EN 2756 test methods to verify electrical, optical and life performance against the EN 2240-008 product standard.
• Maintenance, repair and overhaul (MRO) organizations and engineering teams replacing or qualifying lamps for aircraft systems where compliance with aerospace standards is required.
• Certification and regulatory bodies referencing harmonized European standards for equipment approval.

Related standards

• EN 2240-001 - Technical specification
• EN 2240-002 - Main characteristics
• EN 2241 - Lamp base - Dimensions
• EN 2756 - Lamps, incandescent - Test methods

Keywords: EN 2240-008:2009, lamp code 75, aerospace incandescent lamp, CEN standard, lamp specifications, EN 2756, aviation lighting standard.