ABB Trip Circuit Supervision Relay SPER 1C1-AAJ

Overview

The SPER 1C1 trip circuit supervision relay is designed to monitor critical control circuits, including circuit-breaker and disconnector control circuits, as well as signaling circuits in power electrical installations. Typically, one relay is required per circuit. If multiple branches need supervision, additional relays can be connected within the same control circuit.

The SPER 1C1 is mechanically designed for compatibility with the COMBIFLEX system and operates within a supply voltage range of 40-265 V DC.

Scope

• Relay for main or backup circuit supervision

Product Benefits

• Provides immediate fault information

Product Features

• Continuous monitoring of circuit-breaker trip circuits and other essential control circuits

• Preset operate time to prevent unwanted alarm signals during circuit-breaker operation

• LED indicator on the front panel for relay operation status

• Output relay for status signaling

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