Item:RC27/15M
RCW27/15M vacuum type auto recloser
The main difference between RCW38M and RCW38N
| Type | Close energy | Open energy | Mechanical life |
| RCW27M | By capacitor charging, fast within 1 S | Need By capacitor release | More than 60,000 times |
| RCW27N | By motor charging spring, long time 7S~15S | No need capacitor | 10,000 times |
The RCW 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 RCW series automatic circuit reclosers integrates the functions of control, protection, measurement, communication, fault detection, on-line monitoring of closing or opening.
a) Air temperature: Maximum temperature: +85℃; Minimum temperature:-45℃
b) Humidity: Monthly average humidity 95%; Daily average humidity 90% .
c) Altitude above sea level: Maximum installation altitude:2500mor more higher.
d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
e) No frequent violent shake
Offering
With optional classes for rated current range:
For 12kV, with630A, 20kA Breaking capacity. 800A, 20kA capacity, and1250A, 25kA.
For 15kV, with630A, 20kA Breaking capacity. 800A, 20kA capacity, and1250A, 20kA.
For 27kV, with630A, 20kA Breaking capacity.800A, 16kA capacity, and1250A, 25kA.
For 38kV, with630A, 20kA,. and expanding1250A, .25kA RCW38M type..
With optional classes for installation styles:
Single phase, vacuum recloser and Three phase, vacuum recloser.
With optional relay protection curves for user choice:
Ph.OC1: Current Protection
Ph.OC2: limit current protection
Ph.OC3: over-current protection
IDMTOC: inverse-time overcurrent protection
SEF: Sensitive earthing fault overcurrent protection
Reclose: reclosing
Recl.ACC: Inter-phase Closing acceleration protection
Manu.ACC: Inter-phase charging protection
Overload: Overload protection
NSPTOC1: some Inter-phase negative sequence overcurrent
NSPTOC2: Inter-phase negative sequence overcurrent protection, Sec.
PH.OV: over-voltage protection
PH.UV: Low voltage protection
Resi.OV: zero sequence overvoltage protection
Hi.Gas: heavy gas protection
Hi.Temp: High temperature protection
Com.Val: common values
More relay functions can be customized.
With optional choice by locally or remotely.
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 60870-5-101 communication protocol support.
IEC 60870-5-104 communication protocol support. (*).
The recloser can communicate through GPRS(Or GSM) modem with English or Chinese languege (*).With optional 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 1000 operations record.
Fault record and normal operation record.
Note: (*) mean should customized by manufacturer if needed.
Recloser feature
1 Outline of recloser:
The RCW series vacuum recloser is mainly combined with integration terminal, current transformer, permanent magnetic actuator and its recloser controller.
2 The recloser tank feature:
The Vacuum recloser tanks are manufactured from 304 grade stainless steel and are powder coated
a light grey colour.
Whole recloser IP65 protection class, equipped with a auxiliary plug to connect with recloser controller by control cable, Diameter Max22mm,6 Mlength(8Mfor special). .
Its can performance serve more than 20 years long term under heavy duty circumstance.
3 The recloser vacuum embedded pole feature:
The recloser’s vacuum interrupter insert in an epoxy resin solid pole, and external coated with a high reliable, stable material:Fluorocarbon silicone rubber (γ-trifluoro propyl methyl polysiloxane)
With excellent electric insulation, weather resistance, ozone, biological inertia, can be stand under the long-term use in -55 ~ +200℃.
Creepage Distances of RCW
| Description | 15kV BIL 95/110kV | 15kV BIL 125kV | 27kV BIL 125kV | 27kV BIL 150kV | 38kV BIL 170/185kV |
| T to T* | 480/646mm | 646mm | 796mm | 796mm | 1145mm |
| T to G/E* | 480/763mm | 763mm | 763mm | 1126mm | 1126mm |
T to T* —–Terminal to terminal creepage
T to G/E* —–Terminal to ground/earth creepage
Q:How to guarantee my order and payment.
A:Ezitown has Alibaba trade Assurance,100% refundable if any quality or delivery problem.
Q:How to return the goods if meet any problem
A:we have DHL and Fedex account for return goods.buyer no need to pay any shipping cost for returning. Can contact our salesman to operate.
Q:Why Ezitown price is competitive, and quality seems rather good ?
A:because we have been manufacturing more than 20 years, we know what price and Quality buyer can sell well in market.the wholeseller have suitable profits
Q:Can we order many items and make combine shipment.
A:we can combine many items,and deliver by courier/sea/land/air etc. pack well.
Q:Can I order the cabinet/enclosure/box and the wiring material from you or other supplier,you make wiring and assembly for us ?
A:we have egineering, wiring and assembly team for low voltage/medium voltage/high voltage/DC control .can make drawing and diagram to confirmation and proceed the assembly.we have unite nation project in regular assembly.
Q:How can I make our own brand for my order
A:we supply OEM service if order quantity meet the OEM MOQ , contact to know the exactly quantity for your item
Q:What is the delivery if I make payment
A:Almost all items we keep in stock.and we have many order every day , We need 1-3 working days to packing and make delivery.OEM packing will be longer time.
Q:Can we visit your factory or office ?
A:we always welcome customer visit us, let me know the schedule, we will arrange.
