ABB SPAJ 140 C PROTECTION RELAY

ABB SPAJ 140 C Protection Relay

ABB SPAJ 140 C is a microprocessor-based Overcurrent & Earth-Fault Protection Relay designed for reliable protection of medium-voltage distribution systems. Suitable for feeder, transformer, and power distribution applications.

Key Specifications:

• Phase Overcurrent Protection (I>, I>>)

• Earth-Fault Protection (I0>, I0>>)

• Built-in Circuit Breaker Failure Protection

• Rated Current: 1A / 5A

• Frequency: 50/60 Hz

• Auxiliary Supply: 80–265 VAC/DC

• Serial Communication Interface

• Event & Fault Recording Function

• Compact Panel-Mounted Design

• Origin: Sweden

Application: Medium Voltage Feeders, Transformers, Distribution Substations, Industrial Power Systems.