The ABB SPER1C1-AAJ is a high-precision Trip Circuit Supervision Relay, designed to continuously monitor the integrity of trip circuits in circuit breaker systems. Built to ABB’s global standards of excellence in power system protection, this device ensures that faults in trip circuits are detected and alarmed before they can compromise system safety or operation.

Trip circuits are critical in high-voltage substations, switchgear, and protection systems—responsible for reliably triggering circuit breakers during fault conditions. The SPER1C1-AAJ monitors the continuity of the circuit including the breaker trip coil, auxiliary contacts, DC supply, and wiring. If any abnormality arises—such as an open circuit or failed component—the relay activates an alarm, enabling timely corrective action and reducing the risk of failure during emergencies.

This relay is widely used in power utilities, transmission and distribution networks, switchgear systems, and critical industrial control panels.

⭐ Key Features of ABB SPER1C1-AAJ Trip Circuit Supervision Relay

• Continuous Trip Circuit Monitoring
  Provides 24/7 surveillance of circuit breaker trip paths to ensure operational readiness.

• Fail-Safe Operation
  Detects open circuits, voltage drops, or broken trip coils before a fault occurs.

• High Reliability
  Engineered for critical protection schemes in power substations and control systems.

• Fast Alarm Indication
  Immediately triggers alarm output when an abnormal condition is detected, ensuring quick response.

• Compact Design
  Space-saving modular construction fits neatly into protection relay panels or switchboards.

• Flexible Mounting
  DIN-rail and panel-mount compatible for easy integration into control rooms and switchgear.

• Wide Control Voltage Compatibility
  Designed to operate across standard DC control voltages used in substations and industrial power systems.

• ABB Build Quality
  Manufactured with robust materials and ABB’s precision engineering for extended service life.

✅ Applications

• Monitoring of circuit breaker trip coils and wiring

• Protection panels in substations and switchyards

• High-voltage switchgear supervision

• Power generation and distribution networks

• Oil & gas and industrial utility systems

• Safety-critical automation environments

📦 Product Specifications (Summary)

✅ Why Choose ABB SPER1C1-AAJ?

The ABB SPER1C1-AAJ offers a simple yet critical safeguard for ensuring your protection systems are always ready to respond to faults. Failure of a breaker trip circuit during a fault can lead to severe equipment damage or cascading outages. This relay removes that risk with real-time supervision and instant alarms, giving engineers and operators peace of mind.

Backed by ABB’s reputation in electrical protection systems, this product is a must-have for high-reliability environments where every circuit matters.

📞 Contact Information

To place an order or request a quote for the ABB SPER1C1-AAJ Trip Circuit Supervision Relay, contact:

Evaflux Private Limited
📞 Phone: +91 7303573946
📧 Email: support@evaflux.com