Specifications
| Relay application | Transformer |
|---|---|
| Range of product | Sepam series 20 |
| Device short name | T24 |
| Control and monitoring type | Circuit breaker/contactor control ANSI code: 94/69 (option) Latching/acknowledgement ANSI code: 86 Logic discrimination ANSI code: 68 (option) Switching of groups of settings Annunciation ANSI code: 30 |
| Metering type | Phase current I1, I2, I3 RMS, residual current I0 Demand current I1, I2, I3, peak demand current IM1, IM2, IM3 Temperature (option) |
|
Network and machine diagnosis type |
Unbalance ratio/negative sequence current Ii Disturbance recording Thermal capacity used Remaining operating time before overload tripping Waiting time after overload tripping Running hours counter/operating time Tripping context |
| Switchgear diagnosis type | Cumulative breaking current Trip circuit supervision (option) Number of operations, operating time charging time (option) |
| Type of measurement | Temperature Current |
|---|---|
| Protection type | Thermal overload protection ANSI code: 49RMS (2) Thermostat / buchholz ANSI code: 26/63 (option) Temperature monitoring (8 RTDs) ANSI code: 38/49T (option) Breaker failure ANSI code: 50BF (1) Cold load pick-up ANSI code: CPLU 50/51 (4) Phase overcurrent ANSI code: 50/51 (4) Earth fault/sensitive earth fault ANSI code: 50N/51N (4) Earth fault/sensitive earth fault ANSI code: 50G/51G (4) Negative sequence/unbalance ANSI code: 46 (1) Cold load pick-up Io ANSI code: CPLU 50N/51N (1) |
|
Communication port protocol |
Measurement readout ( option ) : Modbus Remote indication and time tagging of events ( option ) : Modbus Remote control orders ( option ) : Modbus Remote protection setting ( option ) : Modbus Transfer of disturbance recording data ( option ) : Modbus |
| Input output max capacity | 10 inputs + 8 outputs |
|
Communication compatibility |
Modbus RTU IEC 61850 DNP3 IEC 60870-5-103 |
| User machine interface type | Advanced Remote Without |
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