MS27749F
ENVIRONMENTAL CHARACTERISTICS Temperature range 55°C to +71°C. Max altitude rating 50,000 ft. Shock G-level 50g.
Duration 6 ms. Max duration contact opening 10 ∝s. Vibration:
Sinusoidal:
G-level 10 g. Frequency range 70-2,000 Hz.
Nonoperate
G-level 15 g. Frequency range 20-2,000 Hz.
Acceleration 15 g. ELECTRICAL CHARACTERISTICS
Insulation resistance, initial 100 megohms. After life or environmental tests 50 megohms.
Dielectric strength (sea level)
Initial |
After life tests |
|
Coil to case Aux contacts All other points |
1,000 V rms N/A 1,500 V rms |
1,000 V rms N/A 1,150 V rms |
Dielectric strength (altitude).
50,000 ft Coil to case 500 V rms Aux contacts N/A
All other points 700 V rms
Max contact drop initial .150 volt.
After life test .175 volt.
Overload current 125 A dc; 115/200 A ac;
Rupture current 150 A dc; 115/200 Vac; 400 Hz 500 A Duty rating Continuous.
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