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.
● 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
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
Terminal to terminal creepage
Terminal to ground creepage
● Main technical data
Rated max voltage
Power frequency 1min
Lightning impulse withstand voltage(peak)
Rated short circuit breaking current
Rated short current switching current(peak)
Rated peak value withstand current
4S short time withstand current
Rated operating circulate
Breaking current frequency under rated short circuit
Secondary loop 1 min power frequency withstand
Auxiliary voltage supply
●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
Rockwill Recloser Patents Rockwill owned many patents for auto recloser ----Patent…