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Shunt release (for power circuit breaker) ABB RC221/1 T1 FIXED FC CU 3P 1SDA051398R1
Shunt release (for power circuit breaker); Rated control supply voltage Us at AC 50HZ 85 | 500 V; Rated control supply voltage Us at AC 60HZ 85 | 500 V; Voltage type for actuating AC; Type of electric connection Screw connection; Number of contacts as change-over contact 1; Suitable for power circuit breaker