SF6 Gas 11 KV Load Break Switch
The 11 kv load break switch is 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 load 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 sf6 load break switch can be operated locally or with FTU/RTU interface for console operation.
SF6 Gas 11 kv Load Break Switch In Pole Mounted Switch Solution
The type of high-voltage bypass type SF6 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 power distribution cabinet in order to make uninterrupted power supply to distribution lines. This 11kv load break switch utilizes SF6 gas, known for its outstanding insulation and arc extinguishing performance. Inquiry 11kv load break switch price. Check more pole top switches.
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 load break switch 11kv that uses SF6 gas as insulation and arc extinguishing medium is called the SF6 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 and outdoor pole mounted load break switch groups, among others. 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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