38kv Auto Circuit Recloser

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  • Last update:

    2017-12-30 09:32

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Yueqing Winston Electric Co., Ltd.

Mr. Chen Chengming(Mr.)  







B2 Building, Fangdouyan Industrial Zone, Liushi Town, Wenzhou, Zhejiang, China 325604




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. 
With optional classes for rated current range:
For 38kV, 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.
N Item Unit Data
1 Rated voltage kV 15 27 38
2 Rated current A 630 630/1250 630/1250
3 Rated frequency Hz 50/60
4 Power frequency 1min Dry kV 55 65 95
Wet 45 55 80
5 Lightning impulse withstand voltage(peak) kV 95/110 125/165 170/200
6 Rated short circuit breaking current kA 16 16 12.5
7 Rated short current switching current(peak) kA 40 40 31.5
8 Rated peak value withstand current kA 40 40 31.5
9 4S short time withstand current kA 16 16 12.5
11 Rated operating circulate   O-0.5S-CO-2S-CO-2S-CO-20S-CO
10 Breaking current frequency under rated short circuit time 200
12 Mechanism life time 10000
13 Secondary loop 1 min power frequency withstand kV 2

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