The UR15-44TCs is a dc high-speed limiting circuit-breaker with natural cooling, trip free, single pole, polarized, electrically controlled and direct over-current instantaneous release.
The UR15-44TCS is delivered with a metal protecting enclosure IP54 for roof or underframe mounting on Electric Multiple Units running on 3000 Vdc network.
The UR15-44TCS circuit-breaker is primarily designed to protect main and auxiliary circuits of 3000 Vdc traction vehicles against short-circuits and overload currents, as well as to connect or isolate these circuits to and from the vehicle's power supply.