| Brand | ROCKWILL |
| Model NO. | MV outdoor Three phase Smart recloser/reclosure Source Manufacturer 12kV-15kV |
| Rated voltage | 15kV |
| Rated normal current | 800A |
| Rated short circuit breaking current | 20kA |
| Power frequency withstand voltage | 36kV/min |
| Rated lightning impulse voltage | 110kV |
| manual closing | Yes |
| Mechanical lock | |
| Series | RCW |
The RCW series automatic circuit reclosers can use on overheaddistribution lines as well as distribution substation applications for all voltage classes 11kV up to 38kV at 50/60Hz power system. and it’s rated current can reach 1250A.The RCW series automatic circuit reclosers integrates the functions of control, protection, measurement, communication, fault detection, on-line monitoring of closing or opening.
The RCW series vacuum recloser is mainly combined with integration terminal, current transformer, permanent magnetic actuator and it’srecloser controller.

Optional grades available in rated current range.
With optional relay protection and logic for user selection.
With optional communication protocols and I/O ports for users to choose.
PC software for controller testing, setup, programming, updates.
The voltage classes of some of these Automatic Reclosers include 6kV-45kV, Rated Short-Circuit Breaking Current includes 8kA, 12.5kA, 16kA, 20kA, 25kA, 31.5kA and customization is available.
|
Item |
Specification |
|
Rated maximum voltage |
15kV |
|
Rated maximum current |
1250A |
|
Rated frequency |
50Hz |
|
Rated short circuit breaking current |
16kA |
|
Rated peak value withstand current |
40kA |
|
Rated 1min power frequency withstand voltage (Three-phase Epoxy resin pole) |
28kV |
|
Rated lightning impulse voltage (Three-phase Epoxy resin pole) |
95kV |
|
Operation sequence |
C-0.5-CO-2-CO-5-CO (Magnetic actuator) |
|
Mechanical life |
n:30000 (Magnetic actuator) |
|
Power supply and operating voltage |
110/220V (Customized) |
|
Ratio of current transformer |
400/1A (Customized) |
|
Number of voltage sensors (Three-phase Epoxy resin pole) |
≤3 |
|
Opening time |
≤30ms (Magnetic actuator) |
|
Closing time |
≤40ms (Magnetic actuator) |
|
Minimum creepage distance |
31, level 4 (mm/kV) |
|
Minimum distance between phases |
360mm |
|
Potential transformer |
110/220V (Customized) |
|
Cable length |
6,8,12m (Customized) |
|
Cable clamp (Three-phase Epoxy resin pole) |
2-hole NEMA |
|
Lightning arrester |
≤6 |
|
Mounting type |
Single / double column |
|
With optional relay protection & logics for user choice |
Instantaneous over-current protection Timing over-current protection Negative sequence over-current protection Directional over-current protection(⁽¹⁾) Over-voltage protection / Under voltage protection Programmable protection relay curves (total 10 nos ANSI/IEC curves) Cold load pickup protection TCC + Hot line tag Earth protection E/F SEF + Zone- Sequence Co-ordination More relay functions can be customized |
|
With optional communication protocols & I/O port for user choice |
RS-232 and RS-485 ports supporting DNP3.0 communication protocol support Modbus communication protocol is optional IEC 60870-501 communication protocol support IEC 60870-5-104 communication protocol support The recloser can communicate through GPRS(or) GSM(or) GPRS/GSM module with English or Specified language |
|
With optional functions for use |
Rated currents, System phase current, Rated voltages, System phase voltage and secondary low voltage power supply voltage Frequency power (kWh), reactive power (kVarh), power factor |
|
With optional reclosing interval for user pre-program |
reclosing times setting support Dead time setting support |
|
With events recording function |
SOE 10000 operations record Fault record and normal operation record Note:mean should customized by manufacturer if needed |



|
Maximum temperature: |
+40°C |
|
Minimum temperature: |
-30°C |
|
Monthly average humidity |
95% |
|
Humidity: |
90% |
|
Above sea level: |
2500m or higher |
|
Ambient air Not apparently polluted by corrosive and flammable gas, vapor |
Yes. Rockwill stands behind the RCW series with one of the most comprehensive warranties in the recloser industry: a full 10-year warranty covering the complete recloser, including the vacuum interrupter, permanent magnet operating mechanism, and control electronics. Any failure resulting from material or manufacturing defects during the warranty period is eligible for free replacement. Our warranty terms are straightforward and transparent, with no hidden conditions or complex exclusions, giving you complete peace of mind.
Yes. The RCWP, a cost-optimized option in the RCW+ series, features dual sensors, flagship controller, and 30,000 operations with permanent magnet three-phase linkage, while offering downgrade options (lock box removal, lockout removal, sensor/controller downgrade) so customers pay only for what they need.