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ABB SPER 1C1 Trip Circuit Supervision Relay
ABB SPER 1C1 Trip Circuit Supervision Relay
Manufacturer: ABB
Product No.: SPER 1C1
Product Type: Relay
Product Origin: USA
Payment: T/T
Weight: 200g
Shipping port: Xiamen
Warranty: 12 months
Decsription
ABB SPER 1C1 Trip Circuit Supervision Relay is used for continuous supervision of DC trip circuits in protection and control systems. It monitors the complete trip circuit, including trip coils, wiring, and auxiliary contacts, and provides reliable indication of circuit failures such as open circuits, voltage loss, or abnormal resistance, ensuring dependable operation of circuit breakers.
Technical Data
| Item | Specification |
|---|---|
| Voltage of monitored circuit | 40–265 V DC |
| Measuring current (typical) | 1.5 mA |
| Minimum residual voltage over monitored circuit | > 40 V DC |
| Rated voltage (Un) | 48 / 60 / 110 / 220 V DC |
| Operating voltage range | 40–265 V DC |
| Current drain (typical) | 7 mA |
| Typical resistance at 48 V DC (SPER 1C1 / SPEZR3) | 1.2 kΩ / 4 W |
| Typical resistance at 60 V DC (SPER 1C1 / SPEZR3) | 5.6 kΩ / 4 W |
| Typical resistance at 110 V DC (SPER 1C1 / SPEZR3) | 22 kΩ / 4 W |
| Typical resistance at 220 V DC (SPER 1C1 / SPEZR3) | 28.8 kΩ / 4 W or 33 kΩ / 4 W |
| Typical resistance at 30 V DC (SPER 1C2 / SPEZR4) | 680 Ω / 4 W |
| Typical resistance at 48 V DC (SPER 1C2 / SPEZR4) | 2.2 kΩ / 4 W |
| Terminals | 15–16–17 / 25–26–27 |
| Rated terminal voltage | 250 V AC/DC |
| Weight | 0.2 kg |
