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Customized Manufacture Pole Mounted Load Break Switch Manual/Motorize

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Pole mounted SF6 Load break switch Manual/Motorize

6kV,….40.5kV, 400A,..630,….1250A

Provided Customized manufacture

Whole solutions for design, assembly, test


RPS is an SF6-insulated, outdoor pole mounted load break switch family for overhead lines and specifically

designed for use in modern remote controlled distribution automation systems. The RPS offers reliable maintenance

free operation even in the most demanding climatic conditions including salt laden atmospheres, corrosive industrial

pollution, snow and ice. It has excellent load breaking and fault making capacity and satisfies the isolation

requirements specified for load break switch. The earthed metal tank prevents all possible leakage currents across

an open switch. RPS can be manually operated or motor operated for local and remote electric control, upgraded.

Service environment

1.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


With optional classes for rated current range:

--Type RPS 15, Rating6-20 kV with 400A, 16 kAup to 1250A, 20kA;

--Type RPS 27, Rating22-27 kV with 400A, 16 kAup to 1250A, 20kA;

--Type RPS 38, Rating30-40.5 kV with 400A, 16 kAup to 1250A, 20kA;

With optional classes for different grid application installation:

Section function (Section)

50 Instantaneous/Definite-Time Overcurrent(P.OC)

51 Phase Time-Overcurrent(P.Fast curve/P.Delay curve)

Overload (N.Fast curve/N.Delay curve)

50N Residual Ground Instantaneous/Definite-Time Overcurrent(G.OC)

51N Residual Ground Time-Overcurrent (G.Fast curve/G.Delay curve)

50SEF Sensitive Earth Fault (SEF)

51c Cold Load(Cold load)

TRSOTF Switch-Onto-Fault(SOTF)

59 Over VoltageL.Over volt

27 Under Voltage (L.Under volt)

Monitoring Functions:

Primary/Secondary Phases and Earth Currents


Primary/Secondary Line and Phase Voltages

Apparent Power and Power Factor

Real and Reactive Power

Historical Demand Record

Positive Phase Sequence Voltage & Current

Negative Phase Sequence Voltage & Current

Zero Phase Sequence Voltage


Binary Input/Output status

Trip circuit healthy/failure

Time and date

Fault records

Event records

RPS feature

The high quality 3 mm stainless steel are used for tank, which is designed for its maximum robustness and

minimum welding line to minimize corrosion, and specifically to guarantee the safety of the

operation personnel even with the internal arc faults at the maximum fault capacity of the tank the RPS can

withstands an internal fault without venting hot gases.

The independent spring operation mechanism adopt ROCKWILL® patent spiral spring, provides a guaranteed load

break fault make capability by ensuring the opening and closing speed of the switch.

The RPS is provided with light reflecting position indicator which are directly connected to the switch operating

shaft providing clear and unambiguous switch position indication. Indicator made of light reflecting material, which

is easily visible from ground level even at night in driving rain.

Main new advantages of RPS

Supply special design manual closing device technology with own patent, It applied for normal and

abnormal situation closing. It’s closing speed(time) comply with IEC62271-100.

This function can offset from magnetic actuator fault which when actuator can’t work will cause the major accident.

Corrosion resistant, Composite bushing

Manual lock-out mechanism (including hook stick)

Reliable housing ground

O/C indicator (made of light reflecting material),

Operation counter, Gas density gauge which are easily

visible from ground level.

Advanced and Integrated helium leakage detecting

and filling equipment, which ensuring SF6 leakage of

each switch is less than 0.1% strictly per year.

Motor drive, which easily retrofitted on site to

manually operated units.

Creepage Distances of RPS

Terminal to ground creepage

5kV BIL 95/110kV

27kV BIL125/150kV

38kV BIL 170/200kV

Composite bushing




Porcelain bushing




Current transformer and Voltage sensor

Part Number










Current transformer







Voltage sensor







Note: Current transformers and voltage sensors can be customized according to requirements.

Standards for reference

IEC 62271-1 IEC62271-102 IEC 62271-103

High-voltage switchgear and controlgear. Part 103: switches for rated voltage above 1 kV up to and including 52 kV

Front: Color clear O/C indicator

Main technical data



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