BLUE SEA Circuit Breaker 187 SfcMt 50A | 7139-BSSBLUE SEA Circuit Breaker 187 SfcMt 50A, model 7139 BSS, is a 50 amp protection device designed to interrupt current to prevent overcurrent conditions. Brand: BLUE SEA Product type: Circuit Breaker Series Mounting: 187 SfcMt Current rating: 50A Model: 7139 BSS This circuit breaker protects electrical circuits by interrupting current when an overload or fault is detected, helping prevent damage to wiring and devices at a 50 amp rating. The 7139 BSS