MIL-PRF-6106/39F
Overload current: 20 amperes dc.
30 amperes ac.
Rupture current: 25 amperes dc.
40 amperes ac.
Time current relay characteristics. Applicable (see table l).
TABLE I. Time current relay characteristics. 1/ 2/
1
10A
1 hour
2
15A
20 seconds
3
37.5 A
2 seconds
4
75A
.53 second
1/ CAUTION: Compare with time current characteristics of the associated circuit protective
device.
2/ All relays shall withstand overload and fault currents. Relays must be able to sustain five
applications (make and carry only) of power concurrently on adjacent poles at each of
four different current levels in the sequence listed in table 1. Separate relays shall be
tested at 28 V dc and 115/200 V ac, 400 Hz, 3 phase. Cooling time between successive
applications shall be 30 minutes. Tests shall be performed on both normally open and
normally closed contacts. There shall be no failures or evidence of welding or sticking
and relays shall pass contact voltage drop at the conclusion.
Operate time: 6 milliseconds maximum with rated coil voltage at 25C. 7 milliseconds maximum with rated coil
voltage over the temperature range.
Duty rating: Continuous.
ELECTRICAL DATA
Insulation resistance, initial: 100 megohms at 500 V dc.
After life or environmental tests: 50 megohms at 500 V dc.
After life tests
Dielectric withstanding voltage (sea level):
Initial
V rms (60 Hz)
V rms (60 Hz)
Coil to case
500
350
Coil to coil
500
350
All other points
1,000
750
Dielectric withstanding voltage (altitude): 5/
80,000 feet
300,000 ft
V rms (60 Hz)
V rms (60 Hz)
Coil to case
250 V rms
500 V rms
Coil to coil
250 V rms
500 V rms
All other points
250 V rms
500 V rms
__________
4/ CAUTION: Due to possible interaction of relay magnetic fields, the following spacing requirements, as a
minimum, shall be considered in dense packaging situations.
a. Row to row assisting fields, .125 inch.
b. Row to row opposing fields, .1875 inch.
c. Side to side alternating fields, .0625.
d. Side to side like fields, .125 inch.
5/ Dielectric may be improved by suitable insulation of terminals and wiring after installation.
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