ABB SPER1C1-AAJ Trip Circuit Supervision RelayDescription: The SPER1C1 AAJ is part of ABB's COMBIFLEX system, which is known for its modular and flexible design. This relay is used to supervise important control circuits, such as circuit breaker and disconnector control circuits, and signaling circuits. Specifications: Model: SPER1C1 AAJ Type: Trip Circuit Supervision Relay Supply Voltage Range: 40 265 V DC Operate Time: Preset to prevent unwanted alarm signals during circuit breaker operation
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