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ABB SPAJ 144 C / SPAJ 144 C-AA Overcurrent & Earth-Fault Relay – Advanced Electrical Protection Relay System
Manufacturer: ABB
Product Series: SPAJ 144 C
Model Number: SPAJ 144 C / SPAJ 144 C-AA
Product Type: Overcurrent & Earth-Fault Protection Relay
Protection Functions: Overcurrent Protection, Earth-Fault Protection
Technology: Microprocessor-Based Numerical Relay
Application: Medium Voltage Electrical Protection
Usage: Feeders, Motors, Transformers, Distribution Systems
Installation: Electrical Protection Panel Mounting
System Application: Power Distribution & Substation Protection
Industries: Utilities, Manufacturing, Power Generation
Country of Origin: Finland
Condition: New With Box (As Per Photos)
Shipping: Fast & Safe Worldwide shipping available
| Brand | ABB |
|---|---|
| Category | RELAY |
The ABB SPAJ 144 C / SPAJ 144 C-AA Overcurrent and Earth-Fault Relay is a high-performance numerical protection relay designed to provide dependable protection for medium voltage electrical networks. Developed by ABB, this SPAJ series relay combines advanced overcurrent protection and earth-fault protection functions in a compact and reliable unit.
The relay continuously monitors electrical current conditions and provides fast tripping response during abnormal situations such as overloads, short circuits, and earth faults. Its microprocessor-based design ensures accurate measurement, reliable operation, and enhanced protection coordination within power distribution systems.
The ABB SPAJ 144 C-AA protection relay is widely used in industrial plants, electrical substations, feeder protection systems, motor protection applications, and power distribution networks. It helps reduce equipment damage, minimize downtime, and improve the overall reliability of electrical installations.
Designed for long-term industrial performance, the ABB SPAJ 144 C series offers a trusted solution for power system protection, maintenance replacement, and modernization projects.
- Original ABB SPAJ Series Protection Relay
- Model: SPAJ 144 C / SPAJ 144 C-AA
- Combined Overcurrent and Earth-Fault Protection Function
- Microprocessor-Based Electrical Protection Technology
- Designed for Medium Voltage Power Distribution Systems
- Provides Fast and Accurate Fault Detection
- Reliable Protection Against Overcurrent and Ground Fault Conditions
- Suitable for Feeder, Motor, Transformer, and Network Protection
- High Operational Reliability for Industrial Applications
- Compact Panel-Mount Protection Device
- Improves Electrical System Safety and Equipment Protection
- Ideal for Substation, Utility, and Industrial Power Systems
