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SF6 Gas 11 KV Load Break Switch

The 11 kv load break switchis suitable for the distribution network with the highest voltage 11kV, the rated current 630A, and the rated frequency 50/60Hz, which can break off and close the load current and overload current in the power system. The 11 KV LBS is equipped with an intelligent controller to realize the automation of the distribution system. Inquiry 11kv lbsload break switch price.

SF6 Gas 11 KV Load Break Switch Features

The operating mechanism with spring energy storage ensures fast closing and switching operation (<1000ms).

Operator place: Local/Remote.

11KV LBS equipped with an electronic controller, this pole mounted switch can be operated locally or with FTU/RTU interface for console operation.

SF6 Gas Load Break Switch 11KVIn Pole Mounted Switch Solution

The type of high-voltage bypass type SF6 11KV LBS insulated load switch is divided into manual type and electric type, which is an engineering bypass type load switch used for the maintenance and construction of distribution lines in order to make uninterrupted power supply to distribution lines. This load break switch 11kv uses SF6 gas which has outstanding insulation and arc extinguishing performance. Inquiry 11kv load break switch price. Check more pole mounted switch solutions.

SF6 Gas 11KV Load Break Switch PDF Specification

Parameter Name

Unit

Technical Requirement

Rated Maximum Voltage

kV

12

Rated continuous Current

A

630

Short Time Withstand Current

kA

20

Short-circuit Making Current (peak)

kA

50

Power Operating Time (Close/Open)

sec

<2

Mechanical Operations

times

3000

Rated full load operations

times

400

Breaking Capacity

Main Active (0.7pf)

A

630

Cable charging

A

5

Transformer magnetizing

A

10

Lightning Impulse Withstand Level

Phase to Earth

kV

75

Across interrupter

kV

85

Power Frequency withstand voltage

Phase to Earth

kV

42

Across interrupter

kV

50

Other Ratings & Specifications

Creepage Distance (Silicon)

mm

830

IP Level

65

Arc Extinction Medium

SF6 Gas

Insulation Medium

SF6 Gas

Leakage Rate

cc/ sec

≤0.5%

Product size (max)

Width

mm/in

1368/54

Height

mm/in

530/21

Environmental Conditions for Equipment Use of SF6 Gas 11KV Load Break Switch

Environmental conditions for equipment use

height above sea level:≤3000m

Air temperature: -40℃~+50℃

Maximum diurnal temperature difference:≤25℃

Relative humidity:Daily mean95% monthly average90%

Maximum wind speed:≤34m/s

Earthquake intensity:<8 degree

Icing thickness: <10mm

Thickness of snow: <35mm

irradiance: <0.1W/cm2

Pollution grade: Ⅲ class, Ⅳ class Ⅲ, Ⅳ

Installation site: No fire disaster, explosion danger, chemical corrosion, and frequent strenuous vibration places

11 KV Load Break Switch Working Procedure

The 11KV LBS load switch that uses SF6 gas as insulation and arc extinguishing medium is called theSF6 gas load break switch. It can be used to switch and switch load current and overload current, and it can also be used to switch and switch no-load circuits, no-load transformers, and capacitors. Groups, etc., all three-position load switches with the functions of connecting, disconnecting, and grounding have the characteristics of simple structure and low price. But the load switch cannot disconnect the short-circuit current.

Intended Use of SF6 Gas 11KV Load Break Switch

The 11KV LBS SF6 load switch is an excellent load switch that many users have experienced in recent years. In addition to its long electrical life and strong braking force, it has the same advantages as the vacuum load switch. Its outstanding advantage is that it is easy to achieve three working positions (connected, disconnection and grounding), small current (inductance, capacitance) breaking, strong resistance to severe environmental conditions. It is suitable for popularization and application in urban and rural medium voltage distribution networks.



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