IS 12044 : 1987 Specification for Mechanically Operated Switches for use in Aircrafts

1 Scope

1.1 This standard specifies the general requirements and testsfor snap action mechanically operated plunger type limit switchesfor use in nominal 28 V dc and single-phase supplies of 115/200 V,400 Hz ac systems in aircraft.

2 References

IS 2 :1260 Rules forrounding off numerical values

IS 7854 :1975 Specification for voltages andfrequency for aircraftelectrical systems

IS8252Environmental tests for aircraft equipments:

Part 7 Part 7 Sand and dust

Part 10 :1979 Part 10 Salt mist

Part 14 :1982 Part 14 Vibration

Part15 Part 15Constant acceleration

Part 18 :1978 Part 18 Magnetic influence

Part22 Part 22Fluid contamination

IS 10240 :1982 General requirements for aircraftelectrical equipmentfor aircrafts