Rockwill Electric Group
SF6 Gas Type Auto Recloser
Rockwill SF6 Gas Type Auto Recloser SF6 gas insulated Auto recloser is using for safety security requirement, which is widely running in gas,oil plant or dangerous fire risk industry area. ...

Detailed description

  • Description
  • RCW+ Auto Recloser Catalogue
  • Recloser Mobile APP software GPRS/GSM/WIFI/BLUETOOTH

SF6 Gas Type Auto Recloser

General Introduction

  1. RCW+ type auto recloser is a high performance switchgear sealed with SF6 gas. Which is IP67 class switchgear.
  2. RCW+ type auto recloser is DESIGNED For using very important field like key electricity supply points like: gas/oil/mine field, hospital/government/military area, important building etc.
  3. RCW+ Auto recloser is equipped with a manual closing solution which is patent design according to the existing brands recloser problem, like ABB, Schneider, Eaton,Siemens, Hubbel,Noja,Jinkang,ect, these listed brand only offer a normal solution recloser which design cant provide with solution for manual closing with elctric power.
  4. RCW+ auto recose is a fast switching switchgear, standard configuured with magnetic actuator and manual closing and opening/locking device, Max 6 voltage sensors.
  5. RCW+ auto recloser is full complied with standard IEC62271-111, ANSI/IEEE C37.60.
  6. RCW+ auto recloser is Offering:
  7. Voltage Rating: 15kV- 38kV
  8. Current Rating: 630A-1250A
  9. Short circuit breaking: 16kA,..25kA


Main Features

  1. SF6 gas insulated, IP67 class
  2. Magnetic actuator with Manual closing device and manual opening/Locking
  3. Outdoor epoxy resin bushing with max 6 nos voltage sensor
  4. Manufacturing under per standard of IEC62271-111 & ANSI/IEEE C37.60
  5. RKW352 controller with 10 nos IEC/ANSI curves
  6. Programable software for auto recloser
  7. Ready for WIFI/BULETOOTH/GRPS/GSM communication
  8. Additional functions: Mechanical life counter, elctrical life counter by software
  9. Offer more relay protection functions and more communication protocols


Rockwill Recloser Advantages

  1. One-stop supplier globally.
  2. More than 10 years professional experiences in electrical appliance industry.
  3. We offer professional online technology support for perfecting your electrical solution free.
  4. Experienced sales service and suggestion.
  5. All the products with accessories under strict quality control and final inspection before shipping.
  6. We can assure the powerful competitive price and reliable quality products.
  7. Most competitive shipping rate from our own shipping forwarder.
  8. Warranty assurance: 12 months, Offer according to special request
  9. Whatever big or small order, we can provide you one-to-one service.


Our Services

  1. quick response in before sales period help you got order.
  2. excellent service in production time let you know each step we made.
  3. reliable quality solve you after sale headache.
  4. long period quality warranty ensure you can buy without hesitate.

● Summary

ROCKWILL ® Electric strives to bring our customers the latest technology and competitive pricing and best service for distribution automatic.

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 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.

● Service environment

Air temperature: Maximum temperature: +85℃; Minimum temperature:-45℃

Humidity: Monthly average humidity 95%; Daily average humidity 90% .

Altitude above sea level: Maximum installation altitude: 2500m or more higher.

Ambient air not apparently polluted by corrosive and flammable gas, vapor etc. No frequent violent shake

●Offering With optional classes for rated current range:

--Type RCW12, Rating 6-12 kV with 630A, 16 kA up to 1250A, 20kA;

--Type RCW15, Rating15-20 kV with 630A, 16 kA up to 1250A, 20kA;

--Type RCW27, Rating22-27 kV with 630A, 16 kA up to 1250A, 20kA;

--Type RCW38, Rating30-40.5 kV with 630A, 16 kA up to 800A, 20kA;

With optional classes for different grid application installation: Single phase & Three phase.

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(*).

+Over-voltage protection./Under voltage protection.

+Programable protection relay curves total 10 nos ANSI/IEC curves.

+Cold load pickup protection TCC +Hot line tag

+Earth protection EF/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 60870-5-101 communication protocol support.

IEC 60870-5-104 communication protocol support.(*).

The recloser can communicate through GPRS(Or GSM) modem with English or Specified language (*).

With optional functions for user.

Rated currents, System phase current.

Rated voltages, System phase voltage& secondary low voltage power supply voltage. Frequency, power(kWh),

reactive power(kV arh), 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.

●Time-Overcurrent Curves The following information describes the curve timing for the curve and time dial settings made for the time-overcurrent

elements The time-overcurrent relay curves in conform to IEEE C37.112-1996 IEEE Standard Inverse-Time

Characteristic Equations for Overcurrent Relays.

IEC Curves:  
C1 (Standard Inverse)
C2 (Very Inverse)
C3 (Extremely Inverse)
C4 (Long-Time Inverse)
C5 (Short-Time Inverse)
U.S. Curves:  
U1 (Moderately Inverse)
U2 (Inverse)
U3 (Very Inverse)
U4 (Extremely Inverse)
U5 (Short-Time Inverse)

● PC software for controller Testing, Setting, programing, Update.

Human friendship interface                                               Programmable Time-Overcurrent curve


● Recloser feature a)Outline of recloser:

The RCW series vacuum recloser is mainly combined with integration terminal, current transformer, permanent magnetic actuator and it’s recloser controller.

b)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 IP67 protection class, equipped with a auxiliary plug to connect with recloser controller by control cable, Diameter Max22mm, 6 M length (8M for special).

It’s can performance serve more than 20 years long term under heavy duty circumstance.

● Main new advantages of RCW


Visible ON/OFF indicatorIP67 class waterproof plug connector

1.Apply ANSOFT design the high performance magnetic actuator,high reliable and free maintenance
2.Manual closing device
3.Automatic Blocking Device for Manual opening
4.Mechanical locking device
5.Electronic locking device
6.Mechanical counter
7.Electronic counter
8.Visble on the ground reflector material mechanical open/closer indicator
9.IP67 inflatable tank SF6 Gas insulation,Pneumatic value,barometer
10.Integral type tank .Lifting lug, Earthing bolt
Note:The above parts are optional devices.Please provide requirement before placing an orde


Primacy incomer terminal (directly connect to interrupter reduce power lost) Current sensor (external modular design easy for quality control and maintenance) Accuracy: ±0.5% Ratio:800/1

Vacuum interrupter(Adopt the APG technology,increasing the whole insulation and weathering performance)
Internal Voltage sensors incorporated within the vacuum interrupter module It's equipped with two voltage sensors,one for measuring the voltage of incoming side,and another one for measuring the voltage of outgoing side.

shielded 4-conductor cable connection  Accuracy:±0.2% Voltage Sensor  Ratio:500/1 or 1000/1


● Creepage Distances of RCW

Description 12kV BIL
15kV BIL
38kV BIL
Terminal to terminal creepage 600mm 840mm 1250mm 1380mm
Terminal to ground creepage 510mm 760mm 1200mm 1300mm


● Main technical data

N Item Unit Data
1 Rated max voltage kV 12 15 27 38
2 Rated current A 630/800/1250
3 Rated frequency HZ 50/60
4 Power frequency 1min Dry kV 45 55 65 95
Wet 30 45 55 80
5 Lightning impulse withstand voltage(peak) kV 75/95* 95/100* 125/150* 170/200*
6 Rated short circuit breaking current kA 12.5/16/20/25*
7 Rated short current switching current(peak) kA 31.5/40/50/63*
8 Rated peak value withstand current kA 31.5/40/50/63*
9 4S short time withstand current kA 12.5/16/20/25*
11 Rated operating circulate   O-0.5S-CO-2S-CO-2S-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
14 Auxiliary voltage supply Vac 220±20%
15 Battery bank Vdc 12×2
16 Capacitor unit Vdc 220

●Accessories of RCW

All above insulating components for BIL 200kV expanding using. Any question please contact with our engineer.

Upper voltage shield 3 pcs/set

Standard made of T2 copper material, for 630/1250A rated current using. With  expanding range.

Terminal 6 pcs/set

Map guide&location Monitoring&Controlling



Setting & Modification Event Records



●Master software for Distribution Automation Management

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