SF6 Gas 11KV Load Break Switch
The 11kv 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 load break switch 11kv lbsis equipped with an intelligent controller to realize the automation of the distribution system. Inquiry 11kv load break switch price.
Features of SF6 Gas 11kv Load Break Switch
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 11kv Load Break Switch In Pole Mounted Switch Solution
The type of high-voltage bypass type SF6 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 lbsgas which has outstanding insulation and arc extinguishing performance. Inquiry 11kv load break switch price. Check more pole mounted switch solutions.
Specification of SF6 Gas 11KV Load Break Switch PDF
|
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 |
Working Procedure of SF6 Gas 11KV Load Break Switch
The load switch 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. 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 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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