E-T-A Circuit Breakers 50A 3P, Black Button w/o aux contact

Three pole, aircraft style thermal circuit breaker with trip-free mechanism and push/pull on/off manual actuation. An indicator band on the push button clearly shows the tripped/off position. Threadneck panel mounted, temperature compensated, with optional auxiliary contacts. The robust design is well suited to extremely harsh conditions. In the event of an overload in one, two or three phases all three poles will be disconnected. Various dummies are available without protective function, allowing connection of pre-installed wiring without loads.