BSI BS 2G 132:1981

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Specification for general requirements for electromagnetically operated contactors for aircraft

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BSI BS 2G 132:1981

Specification for general requirements for electromagnetically operated contactors for aircraft

PUBLISH DATE 1981
PAGES 18
BSI BS 2G 132:1981

This British Standard specifies the requirements for single and three-pole electromagnetically operated contactors, in the range 25 A to 600 A for use in nominal 28 V d.c. and 115/200 V three-phase 400 Hz a.c. systems in aircraft.

Two environmental classes and two enclosure categories are specified as follows.

  • Environmental classes
  • Class 1. Contactors suitable for high altitude and wide temperature conditions.
  • Class 2. Contactors suitable for lower altitudes and narrower temperature conditions.
  • Enclosure categories
  • Category A. Hermetically sealed contactors.
  • Category B. Non-hermetically sealed contactors.
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