MS27242K
Environmental characteristics:
Temperature range -70°C to +125°C Maximum altitude rating 80,000 ft
Shock G-level 50 g's Duration 6-9 ms Maximum duration contact opening 2 ms
Vibration - sinusoidal (See table IV) Vibration - random N/A Acceleration 15 g's Electrical characteristics:
Minimum insulation resistance, initial 100 megohms After life or environmental tests 50 megohms Dielectric strength (sea level) (see table V) 2-5 seconds Group B and Group C inspections are not required.
Table V. Dielectric strength (sea level).
|
Dielectric strength |
Initial |
After life tests |
||
28 V dc |
115 V ac |
28 V dc |
115 V ac |
|
Coil to case Aux contacts All other points |
1,250 1,250 1,800 |
1,500 |
1,000 1,000 1,350 |
1,125 |
Dielectric strength (altitude) (see table VI) 1 minute.
TABLE V. Dielectric strength (altitude).
Dielectric strength |
28 V dc |
115 V ac |
Coil to case Aux contacts All other points |
500 500 700 |
500 500 700 |
Qualification by similarity: See MIL-PRF-6106. Maximum contact drop initial 0.150 volts
After life test 0.175 volts
Overload current (NO) 800 amperes
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