ABB SPER1C1 SPER 1C1 Trip Circuit Supervision Relay

Product Description

The ABB SPER1C1 is a trip circuit supervision relay designed for continuous monitoring of critical control circuits in industrial power installations. It ensures fast detection of faults in circuit-breaker trip circuits, disconnector controls, and signaling circuits, significantly enhancing operational safety and system reliability. Moreover, its robust design and compatibility with the ABB COMBIFLEX system allow flexible modular integration in complex switchgear setups.

Key Features and Functional Highlights

• Continuous supervision of trip and control circuits to prevent unexpected failures.

• Detects poor contacts, contact welding, and auxiliary voltage failures promptly.

• LED indicators provide clear operational status and fault notifications.

• Flexible installation: rail-mounted or surface-mounted versions available.

• Preset operate time reduces the risk of unwanted alarms during normal operation.

• Scalable supervision: multiple relays can monitor several branches of the same circuit.

• Robust mechanical design ensures reliable operation in industrial environments.

Technical Specifications

• Supply Voltage Range: 40–265 V DC

• Dimensions: 477 mm × 22.5 mm × 261 mm

• Weight: 0.875 kg

• Mounting Options: COMBIFLEX system rail-mounted or surface-mounted alternatives (SPER 1B1 C4)

• Indicators: Front-panel LED and output relay for operation status

• Functionality: Continuous monitoring, fault detection, early warning signals

Typical Applications

• Supervising circuit-breaker trip circuits in high-voltage switchgear.

• Monitoring disconnector control circuits and signaling circuits in substations.

• Ensuring protection system reliability in power generation and distribution networks.

• Integration into ABB COMBIFLEX systems for modular, scalable installations.

Support & Reliability

The SPER1C1 relay offers exceptional reliability, minimizing downtime and maintenance. ABB’s global support ensures timely technical assistance and replacement services. Regular system checks and proper integration maintain long-term operational safety and efficiency.

FAQ

Q: How many SPER1C1 relays are required per circuit?
A: Typically, one relay per circuit is needed. Multiple relays can monitor several branches.

Q: Can this relay be installed outside a COMBIFLEX system?
A: Yes, surface-mounted or rail-mounted SPER 1B1 C4 variants are available for flexible installation.

Q: What types of faults does the SPER1C1 detect?
A: It detects bad contacts, welded contacts, and auxiliary voltage failures in the supervised circuit.

Q: What environments is this relay suitable for?
A: It is robustly designed for industrial switchgear and harsh power installation environments.

Q: How does the LED indicator function?
A: The LED provides immediate visual indication of relay operation and circuit faults.