MS27749F
REQUIREMENTS: Contact data:
Load ratings: See table I and table III. Initial contact voltage drop: 0.150 volt. After life test: 0.175 V.
Overload current: 50 amperes dc; 80 amperes ac. Rupture current: 60 amperes dc; 100 amperes ac.
Coil data: See table II.
Duty rating: Continuous. Electrical data:
Insulation resistance: Initial: 100 megohms.
After life or environmental test: 50 megohms. Dielectric withstanding voltage:
Sea level:
Initial |
After life tests |
|
Coil to case Aux contacts All other points |
1,000 N/A 1,250 |
1,000 N/A 1,000 |
Altitude:
80,000 ft |
300,000 ft |
|
Coil to case |
350 |
500 |
Aux contacts |
N/A |
|
All other points |
350 |
500 |
Environmental characteristics: Temperature range: -70°C to +125°C. Maximum altitude rating: 300,000 feet. Shock g-level: 200 g's.
Duration: 6 ms.
Max duration contact opening: 10 µs.
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