Gold Member Since 2013
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Wenzhou Rockwell Transformer Co., Ltd.

Recloser, Whole Embedded Pole, Automatic Recloser manufacturer / supplier in China, offering 27kv Auto Circuit Recloser, 7.6kv 13.8kv 19.9kv Single Phase Voltage Regualtor 32steps Auto Transformer, China Top3 Manufacturer of Single Phase Automatic Step Voltage Regulator and so on.

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27kv Auto Circuit Recloser

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Port: Ningbo, China
Production Capacity: 5000
Payment Terms: L/C, T/T, Money Gram

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Basic Info
  • Model NO.: ER
  • Operation: Electric Type
  • Arc-extinguishing Medium: Vacuum
  • Structure: Conventional Circuit Breaker
  • Type: Circuit Breaker
  • Certification: VDE, ISO9001-2000, CE, UL, CB, CCC
  • Transport Package: Wooden
  • Origin: China
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Fixed
  • Poles Number: 3
  • Function: Overcurrent Protection, Circuit-Breaker Failure P
  • Trademark: Rockwill
  • Specification: iec
  • HS Code: 85352100
Product Description
Rockwill Electric strives to bring our customers the latest technology and competitive pricing and best service for distribution automatic. 
The ER series automatic circuit reclosers can use on overhead distribution lines as well as distribution substation applications for all voltage classes 11kV up to 38kV at 50/60HZ power system.and its rated current can reach 1250A.
The ER series automatic circuit reclosers integrates the functions of control, protection, measurement,communication,fault detection,on-line monitoring of closing or opening. 
++++Offering
With optional classes for rated current range:
For 27kV, with 630A, 20kA Breaking capacity. 800A, 20kA capacity, and 1250A, 20kA.
With optional classes for installation styles:
Single phase, vacuum recloser.
Three phase, vacuum recloser.
With optional relay protection curves for user choice:
Instantaneous over-current protection.
Timing over-current protection.
Negative sequence over-current protection.
Over-voltage protection.
Under voltage protection.
With optional choice by locally or remotely.
With optional communication protocols & I/O port for user choice:
RS-232 and RS-485 ports supporting.
IEC 60870-5-101 communication protocol support.
The recloser can communicate through GPRS(Or GSM) modem with English or Chinese languege (*).
With optional measurement functions for user:
Rated currents, System phase current.
Rated voltages, System phase voltage& secondary low voltage power supply voltage.
Frenquency, 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 64-124 operations record.
Fault record and normal operation record.
Note: (*) mean should customized by manufacturer if needed.
NItemUnitData
1Rated voltagekV152738
2Rated currentA630630/1250630/1250
3Rated frequencyHz50/60
4Power frequency 1minDrykV556595
Wet455580
5Lightning impulse withstand voltage(peak)kV95/110125/165170/200
6Rated short circuit breaking currentkA161612.5
7Rated short current switching current(peak)kA404031.5
8Rated peak value withstand currentkA404031.5
94S short time withstand currentkA161612.5
11Rated operating circulate O-0.5S-CO-2S-CO-2S-CO-20S-CO
10Breaking current frequency under rated short circuittime200
12Mechanism lifetime10000
13Secondary loop 1 min power frequency withstandkV2

27kv Auto Circuit Recloser
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Mr. Chen Chengming
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