MIL-DTL-15291/4B
REQUIREMENTS:
Applicable specification: MIL-DTL-15291
Dimensions and mounting: See figures 1 through 3
Switching characteristics: See table I
Angle of throw: 90 degrees
Switching action: Detent and spring-return, reciprocating
Electrical and endurance ratings: See table II
Stop strength (applicable to
switches with stops): 50 inch-pounds
Vibration: 50 Hz, MIL-STD-167-1
Shock (high impact): High impact, MIL-S-901
Contact resistance: 0.02 milliohms maximum
Dielectric withstanding voltage: 1,250 Vrms
Insulation resistance: 200 megaohms minimum
Temperature rise: 50ºC maximum
Mounting screws: .190-24UNC-2A (4) length and head style to suit application, screws not furnished.
Transfer time: Not applicable
TABLE II Electrical and endurance ratings.
Electrical
De-energized
Test rate
Current
Voltage
Operations
operations
Tests
(operations
(amperes)
(volts)
(number of
(number of
per minute)
operations)1
operations)
Alternating
current
10
125
20,000
30
10,000
(rms)
1
For purpose of this test the switch shall be operated alternately to a detented position.
Action shall be single line make and break at rated load in both positions. This cycling
shall be considered as two operations.
Terminal marking:
Terminal markings shown in table I locate terminals as viewed from
the front of the switch (handle end) Markings shall be stamped in
rear surfaces of terminals, clear of the screw heads.
6
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