COIL CHARACTERISTICS SERIES KCA

Vac 400 Hz Vac 50 thru 400 Hz Vac 400 Hz
CODE E F J K T
Nominal operating voltage 28 115 28 115 230
Maximum operating voltage 30 122 30 122 248
Maximum pickup voltage
- Cold coil at +125° C 22 90 23 95 180
- During high temp test at +125° C 24.4 95.4 24.6 100 185
- During continuous current test at +125° C 25.6 103.5 25.9 105 195
Maximum drop-out voltage 10 30 10 30 60
Coil current maximum milliAmperes at +25° C 225 40 120 28 22

GENERAL CHARACTERISTICS
Temperature range -70°C to +125°C
Minimum operating cycles (life) at rated load 50,000 [2]
Minimum operating cycles (life) at 25% rated load 200,000
Dielectric strength at sea level
- All circuits to ground and circuit to circuit 1250 Vrms
- Coil to ground 1000 Vrms
Dielectric strength at altitude 80,000 ft 500 Vrms [4]
Insulation resistance
- Initial (500 Vdc) 100 M W min
- After environmental tests (500 Vdc) 50 M W min
Sinusoidal vibration (A, D, E and W mounting) 0.12DA / 10 to 70 Hz
30G / 70 to 3000 Hz
Sinusoidal vibration (J mounting) 0.12DA / 10 to 57 Hz
20G /57 to 3000 Hz
Random vibration
- Applicable specification MIL-STD-202
- Method 214
- Test condition - A, D and E mounting 1G (0.4G2/Hz, 50 to 2000 Hz)
- Test condition - G and J mounting 1E (0.2G2/Hz, 50 to 2000 Hz)
- Duration 15 minutes each plane
Shock (A, D, E and W mounting) 200G / 6 ms
Shock (G and J mounting) 100G / 6 ms
Maximum contact opening time under vibration and shock 10 µs
Operate time at nominal voltage@25°C 20 ms max
Release time at nominal voltage@25°C 50 ms max
Contact make bounce at nominal voltage@25°C 1 ms max
Contact release break bounce at nominal voltage@25°C 0.1 ms max
Weight maximum 0.188lb
Unless otherwise noted, the specified temperature range applies to all relay characteristics.
Date of issue: 01/07 - 155 - Page 2 of 4