Paneltronics Breaker 50 Amps w/Reverse Polarity Trip Coil - WhiteShore Main Circuit Breaker with Reverse Polarity Trip Coil, 50 Amps, White Amperage: 50 Amps Shore main AC circuit breaker for Paneltronics electrical distribution panels. 120VAC 60Hz (simultaneously breaks both hot and neutral legs) 220VAC 50Hz (simultaneously breaks both live and neutral legs) Reverse Polarity Protector 65VAC trip coil (Surge arrestor P N 281 001 required) (ABYC E 11. 6. 3. 3. 1) Smart Breaker: Trips automatically upon sensing