MIL-R-83726/19G
TABLE III. RS103 levels for suffix letter A PIN's.
Frequency |
RS103 level (volt/meter) |
14 kHz to 200 MHz 200 MHz to 450 MHz 450 MHz to 1 GHz 1GHz to 12 GHz |
20 65 20 100 |
Transient voltage limits (output): In accordance with MIL-STD-461 (methods CE106 and RE103), voltage spikes generated by time delay relays shall not exceed 42 volts during the following time periods starting at the instant of opening of the relay coil circuit:
PIN's with a suffix letter W: 50 microseconds. PIN's with a suffix letter A: 500 microseconds.
Monitoring of spike voltages shall be by a device (such as a memory type oscilloscope) that can detect, measure, display, and record 0.25 to 1000 volts over the applicable time durations specified herein. Switches used to control the time delay relays during voltage-spike measurements shall not be EMI suppressed.
Time current relay characteristics at 25°C: 6/ Relays shall sustain five applications (make and carry only) of power concurrently on adjacent poles at each of five different current levels for the time durations shown in table IV. 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. The test shall be performed on both normally open and normally closed contacts of each relay. There shall be no failures or evidence of welding or sticking, and relays shall pass contact voltage drop at conclusion.
TABLE IV. Time-current relay characteristics at 25°C.
1 |
15 A |
1 hour |
2 |
50 A |
5.0 seconds |
3 |
100 A |
1.2 seconds |
4 |
250 A |
0.2 second |
5 |
350 A |
0.1 second |
CAUTION: Compare with time-current characteristics of associated circuit protective device.
Environmental data (with relay installed in bracket and socket assembly M12883/50 and secured in mounting track M12883/49.
Temperature range (operating): -70°C to +125°C. Maximum altitude rating: 80,000 feet.
6/ Not applicable if the MIL-PRF-83536/9, /10, /11 relay being used is qualified to the time current relay characteristics at 25°C requirements of MIL-PRF-83536.
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