Three remote functions: telemetry (including direct flow), remote signaling, and remote control;
Protection functions: three-phase three-section overcurrent protection function, zero sequence protection function, reclosing and blocking reclosing function;
Intelligent distributed logic function: achieving local fault clearing, automatic fault isolation, automatic transfer of power supply, and automatic restoration of power supply in non faulty sections; Logic manual, automatic reset and other functions;
Remote/local operation: The remote/local closing and opening operations are mutually locked, and the control outlet is controlled by the soft and hard pressing plates for on/off;
Power function: Dual power switching, automatic seamless switching to backup power supply in case of AC power loss, and automatic management (battery activation, alarm, protection) function for backup power supply;
Communication function: multiple network and serial ports, supporting multiple communication protocols; Wireless communication: capable of wireless communication through touch laptops;
Status indication: There are obvious local status indication signals for operation, communication, line faults, etc;
Data processing function: arbitrary configuration and combination of data sent by the main station; Distribution transformer load rate, three-phase imbalance, remote sensing exceeding limit, extreme value, qualification rate statistics, etc;
Fault detection: achieving on-site fault clearing, automatic fault isolation, automatic transfer of power supply, and automatic restoration of power supply in non fault sections; Logic manual, automatic reset and other functions;
Telemetry | |
Rated voltage | AC220V/100V, accuracy ≤ 0.5% |
Rated current | 5A/1A, accuracy ≤ 0.5% |
Power (active, reactive, power factor) | ≤ 1% |
DC voltage | Accuracy ≤ 0.2% |
Remote signaling | |
Remote signaling power supply | DC24V/DC48V adaptive |
SOE resolution | ≤ 2ms |
Software anti shake time | 0-65535ms can be set |
Single/dual point remote signaling optional | |
Remote control | |
Output method | Empty contact output, pulse duration 1-65535ms can be set |
Contact rating | AC 250V/5A, DC 80V/2A, or DC 110/0.5A pure resistive load |
Contact life | On/off ≥ 105 times |
Telemetry | Ua, Ub, Uc, U0 (or Uab, Ubc), Ia, Ib, Ic, I0 (or synthetic), 1 DC quantity |

