Differencial protection including extended protection and control functions 1 base unit to each end of line ,
phase selective current and voltage protection functions , measuring functions , monitoring functions, automatic reclosing,
disturbance recording, programmable logic functions,
control functions (direct/indirect) of max 3 switching elements- DC driven (1 CB/isolator/earting switch),
up to 5 recognizable switching elements (display), AC and DC wide range power supply
| ANSI |
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| Device | CSP2-L | |
| Documentation | Manual | |
| Type line | SL | |
| Current Transformer Inputs (MTP) | 4 | |
| Voltage transformer inputs (MTN) | 4 | |
| Binary inputs | 22 | |
| Relay outputs | 6 | |
| Watchdog relay | 1 | |
| 50/51 | Overcurrent time protection | Yes |
| Transitional stabilization | – | |
| 67 | Control overcurrent protection time | Yes |
| 50N/51N | Ground protection | Yes |
| 50SN/51SN | Sensitive EF insulating / Compenzanted | Yes |
| 50N/51N | Ground resistance / Direct grounding | Yes |
| 67N | Ground direction protection | Yes |
| 49 | Thermal protection | Yes |
| 50BF | Electrical safety circuit breaker | Yes |
| 27/59 | Voltage protection | Yes |
| 59N | Residual Voltage | Yes |
| 81O/U | Frequency protection | – |
| 32/37 | Directional power | – |
| 46 | Negative sequential protection | Yes |
| 49 | Motor Protection: Thermal Protection | Yes |
| 87T | Differential protection: Transformer | – |
| 87G | Differential protection: Generator | – |
| 87L | Differential protection: Circuit | ano |
| 64REF | Differential protection :Ground Differential | – |
| 60FL | Voltage transformer supervision | Yes |
| 79 | Re-energizing the relay | Yes |
| Reset / Block | Yes | |
| Time data | Yes | |
| Parameters | 4 | |
| Record Event | Yes | |
| Error messages | Yes | |
| Record failure | Yes | |
| Matrix relay output | Yes | |
| Control and monitoring of the power switch | Yes | |
| Control and Detection of the Switchboard | Yes | |
| 74TC | Check the control circuit | Yes |
| Programmability | Yes | |
| 86 | Locking relay | Yes |
| Modbus RTU Protocol | Optional | |
| IEC 60870 – 5 – 103 | Optional | |
| Profibus DP | Optional |
