Supplementary protectors/miniature circuit breakers are available in one-pole unit. One and two-pole AC units also have limited DC ratings. Two and three pole units are connected at the handle for simultaneous operation. Screw termination is standard on all Bulletin 1492-SP units. Both line and load side terminals accept #18 to 4 AWG (1 to 25 mm²) copper wire. 1492-SP series C devices are energy limiting, thermal magnetic type overcurrent protectors meeting UL 1077/CSA C22.2 No. 235, IEC/EN 60898. These devices are designed for the protection of a wide variety of products including: solenoids, test equipment, controller I/O points, relay and contractor coils, computers, transformers, automotive systems, power supplies, medical equipment, control instrumentation.