Description

The ABB SPER 1C1-AAJ Trip Circuit Supervision Relay is designed for supervising critical control circuits, such as circuit-breaker and disconnector control circuits and signaling circuits in power electrical installations.

Specifications

• Product ID: SPER 1C1-AAJ

• Relay Supply Voltage Range: 40-265 V DC

• System Compatibility: COMBIFLEX

Applications

• Supervision of Control Circuits: Circuit-breaker and disconnector control circuits

• Signaling Circuits: Supervision in power electrical installations

• Multiple Branch Supervision: Connect the required number of relays to the same control circuit

• Continuous Monitoring: For circuit-breaker trip circuits and other essential control circuits

• Alarm Signal Prevention: Preset operate time to prevent unwanted alarm signals during circuit-breaker operation

• LED Indicator: Indicates relay operation on the front panel and output relay

• Fault Detection: Detects bad contact, contact welding, and auxiliary voltage failures in the supervised circuit