Used on F15S. 5.750" overall length 4.750" overall width 28.0 dc voltage in volts and current type ename on dwg contactor, 3 pdt, 115/200vac, 400 hz, 260 amp; continuous duty cycle; operate coil voltage 28 vdc (max 30 vdc) ; pickup voltage (max) 18 vdc; dropout 2-7 vdc; closing time (max) 36 ms; release time (max) 36 ms; transfer time (max) .015 sec at 18-30vdc; contact bounce (max) 2ms; simultaneous operation (max) 5ms; transient suppression plus or minus 42 vdc; coil current p.u. 4.0 amps hold .7 amperes 25c; main contacts; resistive