SIR-A / SIR-C recloser controller and overhead line feeder protection relay
SIR-A / SIR-C cabinet controllers for reclosers and sectionalizing points of MV overhead lines. They provide directional protection, auto-reclosing up to 4 cycles and remote control.
- Power supply
- 24–48 V DC, 48–230 V AC/DC or 24–230 V AC/DC
- Inputs
- 4 current, 6 channels for capacitive/resistive voltage sensors (LEA)
- Auto-reclosing
- up to 4 cycles (79)
- Functions
- 67/67N, 27/59, 81U/O, 81R, 25, 50BF, arc detection AFD (opt.)
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
The controller has 4 current inputs and 6 channels for capacitive or resistive voltage sensors (LEA). The function set includes 67/67N, 27/59, 81U/O, 81R, 25, 50BF, with optional arc detection AFD. Communication supports Modbus, DNP3.0, IEC 60870-5-103/104, IEC 61850, with optional Wi-Fi. The power supply is 24–48 V DC, 48–230 V AC/DC or 24–230 V AC/DC, and the memory stores 3072 events and 2160 load profile records.
Technical specifications
| Power supply | 24–48 V DC, 48–230 V AC/DC or 24–230 V AC/DC |
|---|---|
| Inputs | 4 current, 6 channels for capacitive/resistive voltage sensors (LEA) |
| Auto-reclosing | up to 4 cycles (79) |
| Functions | 67/67N, 27/59, 81U/O, 81R, 25, 50BF, arc detection AFD (opt.) |
| Protocols | Modbus, DNP3.0, IEC 60870-5-103/104, IEC 61850, Wi-Fi (opt.) |
| Recording | 3072 events, 2160 load profile records |
Request a price and lead time
SIR-A / SIR-C recloser controller and overhead line feeder protection relay. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8536 49 00 90 |
|---|---|
| HS, 6 digits | 8536 49 |
| CN (EU) | 8536 49 00 |
| HTSUS (USA) | 8536 49 00 80 |
| China customs tariff | 8536 49 00 90 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
How many auto-reclosing cycles does the controller support?
The auto-reclosing function (79) performs up to 4 cycles.
Which voltage sensors can be connected?
The controller has 6 channels for capacitive or resistive LEA voltage sensors and 4 current inputs.
Which remote control protocols are supported?
Modbus, DNP3.0, IEC 60870-5-103/104 and IEC 61850, with optional Wi-Fi.
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