B2B Services

33KV SF6 Gas Load Break Switch

Application of 33KV SF6 Gas Load Breaker Switch

The switch is made of a proven rugged, corrosion-resistant material (304L stainless steel plate for warships), ensuring a long service life (30 years) and a range of operations, with the characteristics ideal for on-column equipment.

Technical Parameters of 33KV SF6 Gas Load Breaker Switch

Products Type


Basic Ratings

Maximum System Voltage


Rated Continuous Current


Rated Frequency


Short Time Withstand Current


Making and Breaking Capacity

Mainly Active Load Current


Number of Load-break Operations


Short-circuit Making Current (peak)


Number of Making Operations

5 times

Cable Charging Current


Line Charging Current


Closed Loop Circuit Current


Transformer Magnetizing Current


Power Frequency Withstand Current Test

Wet Condition-10sec Ph- Ph-Eth, Across Interrupters


DryCondition-1minPh- Ph, Phase to Earth


Dry Condition - 1 min Across Interrupter


Impulse Withstand Current Test( 1.2 x 50 µs )

Phase to Phase, Phase to Earth


Across Interrupter


Other Ratings & Specifications

Internal Arc Test

20kA /0.1 sec

Arc Extinction Medium

SF6 Gas

Insulation Medium

SF6 Gas

Creepage Distance (Porcelain)


Creepage Distance (Silicon)


Dry arcing distance

IP Level


Operation Performance

Closing/Opening Time


Mechanical Operations (Guaranteed)


Operating Temperature (*Manual Type)


Gas Pressure

Nominal Pressure (MPa, at 20°C)


Bursting Pressure (MPa)


Minimum Gas Pressure (MPa)


Leakage Rate (cc/ sec)


Voltage sensors

CT ABC 10P10 5VA

400: 05: 00

Incoming side and outgoing side of the voltage sensor

6 Voltage sensorbuilt-in

Phase voltage:(2436kV/√3/3.25V/√3

Special attention should be paid to the voltage sensor, which must be directly fed by the switch.

No additional adjustment circuit can be added to the controller. The voltage signal of the switch into the test line needs to be tested separately.

Zhuhai Gopower Smart Grid Co., Ltd. is one of the earliest electric power equipment ltd. We provide 33kv load break switch, load break switch 33kv, 11 kv breaker and etc. Want to know more? Please contact us.

Location : Building 3,No. 2007 Mingzhu South Rd ,Qianshan,Zhuhai,Guangdong,China, 519070 zhuhai,
Contact : power zhgo, 0756 6102222

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33KV SF6 Gas Load Break Switch

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