Factory price 11kV 12kV 15kV SF6 Air Insulated Pole Load Break Switch Load Breaking Switches

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SFS

Pole mounted SF6 Load break switch Manual/Motorize

6kV,….40.5kV, 400A,..630,….1250A

Provided Customized manufacture

Whole solutions for design, assembly, test …

Catalog

● Summary

SHUANGFENG Electrical strives to bring our customers the latest technology and competitive pricing and best service for distribution automatic.

SFS 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 SFS 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 ● Offering

With optional classes for rated current range:

--Type SFS 15, Rating6-20 kV with 400A, 16 kA up to 1250A, 20kA;

--Type SFS 27, Rating22-27 kV with 400A, 16 kA up to 1250A, 20kA;

--Type SFS 38, Rating30-40.5 kV with 400A, 16 kA up 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 Voltage（L.Over volt）

27 Under Voltage (L.Under volt)

Monitoring Functions:

Primary/Secondary Phases and Earth Currents

Direction

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

Frequency

Binary Input/Output status

Trip circuit healthy/failure

Time and date

Fault records

Event records

● Creepage Distances of SFS

● Current transformer and Voltage sensor

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

● Standards for reference

IEC 62271-1 IEC 62271-102 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 Rear：Highly reliable explosion-proof valve,

Inflatable/deflation integrated device

● Main technical data