contact voltage 28 vdc; 1 amp resistive, 0.2 amp inductive, 0.1 amp lamp; coil voltage 26.5 vdc, 1560 ohms resistance; 10 wire lead terminals; 3 pct failure rate; estabilished reliability 1 pct; 0.398 in. max lg; 0.370 in. max w; 0.370 in. max h; turn-off time 7.5 ms max; turn-on time 2 ms max; transistor driven