SPER 1C1 ABB Trip Circuit Supervision Relay SPER1C1 Expander Interface Operating Temperature: -25°C to +70°C

Operating Temperature: -25°C to +70°C

Input Resistance: ≥2 MΩ (Power ON/OFF)

Operating Temp: -5°C to 60°C (23°F to 140°F)

Compatible CPU: 140CPU6xxxx

SPER 1C1 ABB Trip Circuit Supervision Relay SPER1C1 Expander Interface Operating Temperature: -25°C to +70°COverview SPER 1C1 is an ABB Trip Circuit Supervision Relay designed for reliable monitoring of trip circuits in protection systems, ensuring dependable operation across a wide DC voltage range. Specifications Voltage Range: 40265 V DC Measuring Current: 1. 5 mA Minimum Residual Voltage (Terminals 1121): >40 V DC Typical Resistance: At 48 V DC: 1. 2 k 4 W At 60 V DC: 5. 6 k 4 W At 110 V DC: 22 k 4 W At 220 V DC: 28. 8 k 4 W or 33 k 4 W