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MadeInChina.com > Products > Electrical & Electronics > Power Transmission & Transformer > Isolation Switch
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36kv 1250A Porcelain Rotating Center Isolator with Mounting Structure

Price $1500.00
Min Order 1 Piece
Availability In Stock
Shipping From Zhejiang, China
Popularity 462 people viewed
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Model NO.:
GW4-33/1250
Type:
High-voltage
Structure:
Three-column Disconnector
Installation:
Outdoor High-voltage
Operation:
Manual
Grounding Mode:
Not Grounding
Movement Mode:
Horizontal Rotary Type
Number of Poles:
Three Pole
Grounding:
Un Grounded
Series:
Three
Run:
Turn the Horizontal
Switching Mode:
Gw4-33/1250
Common Model:
Gw4-33/1250
Structure of Operating:
Manual
Certification:
ISO, IS9001, IEC
Trademark:
Jecsany
Transport Package:
Wooden Carten
Specification:
GW4-33/1250
Origin:
China
HS Code:
8535309000
Product Description

Circuit Breakers & Switch /Isolating Switch

FZW32-12 Voltage Isolating Load Switch 

Standard

 IEC/IEEE and DVE-recommendation standards especially comply with DIN VDE 0670 part 

 IEC-60265, IEC-129

Features

 All steels are made of either in stainless steel or hot-dip galvanized steel.

 1. Solid and stable base frame.
 2. main contact with ice protection.
 3. Polymer insulators or alternatively in porcelain.
 4. Minimal sag for the line-connection between two fixed terminals.
 5. Completely maintence antirust Aluminium alloy Arc chamber.
 6. Switching-off procedure without external arc.
 7. Short circuit making capacity under specific conditions possible
 8. Fixing on the supporting structure either by clamping(free setting) or screwing (holes in the   base frame)
 9. Easy on-site installation and setting.

 10. High reliabilty up to 1000 cycles (depending on the running current).

 11. All contacts are either sliver or tin-plated.
 12. Practically maintance-free.

Environmental  Conditions

 Ambient Temperature: -30ºC - +40ºC 

 Altitude: 3000m

 Frequency: 50Hz / 60Hz

 Maximum Wind Speed: 35m/s

Isolating Switch 

An electrical device for the reliable disconnection of certain sections of a high-voltage electrical network when there is no current in them. The use of isolating switches (either alone or in combination with high-speed short-circuiting devices) makes it possible to simplify the arrangement of switching points and transformer substations and to eliminate expensive high-voltage circuit breakers.

 

In the case of damage to certain sections of a network, the circuit breakers operate first, and then the isolating switches automatically disconnect the damaged section, after which the circuit breakers close again and restore electric power to the rest of the consumers on the network. Isolating switches are also used to disconnect and reconnect unloaded transformers and sections of power lines during operation. An isolate switch must provide a reliable connection in case of a random occurrence of a short circuit in the network. An important characteristic of an isolating switch is a short operate time, particularly the disconnect time, which must not exceed 0.1 sec.

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