Gw1 Outdoor 40.5kv High Voltage Isolating Switch with Earthing 33kv Disconnect Switches

Gw1 Outdoor 40.5kv High Voltage Isolating Switch with Earthing 33kv Disconnect Switches image

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Basic Info.

Model NO.

GW1-40.5

Number of Poles

Three Pole

Grounding

as Specification

Series

Three

Run

Vertical Rotation

Switching Mode

as Specification

Common Model

as Specification

Structure of Operating

Manual

Certification

ISO9001

Brand

Liyond

Rated Voltage

12/24/40.5kv

Rated Current

630A

Application

Outdoor

Transport Package

Standard Export Packaging

Specification

as specification

Trademark

Liyond

Origin

China

Product Description

GW -12/24/40.5-630-20(25) outdoor AC high voltage disconnect switch (disconnect switch for short) is used to open and close circuit with voltage but no-load 50/60Hz,12/24/40.5kV power system, the anti-pollution type can be used in the serious pollution area. Three pole linkage, good synchronous performance. It accords with standards of IEC62271-103:High voltage switches.

Note: The model of the 24kV outdoor HV disconnect switch is GWHY2-24.

Structural features
The isolating switch is composed of three identical single-pole isolating switches. When installing, the three poles are formed as a whole by the pipe connecting rod, and the CS8-1 manual operating mechanism is used. Each single-pole isolating switch has a separate iron frame, and two post insulators are installed at both ends, which are equipped with contacts. There is a rotating shaft in the middle of the iron frame, and the knife switch is opened and closed by means of a pull rod insulator. The GW1 switch is a double-column outdoor high-voltage isolation switch composed of three single poles. The switch is a one-way opening type. It consists of a base, an insulator, a contact knife guide and a conductive part. On both sides of the base, there are tie-rod insulators, a crank arm and a rotating shaft in the middle to open or close the switch. The switch can be equipped with an anti-theft operating mechanism or a common operating mechanism.

Ambient Conditions:
1. Altitude: ≤3000m;

2. Ambient temperature: -30ºC~+40ºC;

3. Wind speed: ≤35m/s;

4. Air pollution: IV;

5. Earthquake intensity: ≤8 degree;

6. Ice thickness: ≤10mm

Technical parameter

No.	Item	Unit		Data
1	Rated voltage	kV		12/24/40.5
2	Rated current	A		630/1000/1250
3	Rated power frequency	Hz		50/60
4	Rated peak withstand current	kA		50/63
5	Rated short-time withstand current	kA		20/25
6	Rated short-time withstand current duration	s		4
7	Main loop resistance	μΩ		12kV≤80	24kV≤90	40.5kV≤100
8	1min(dry)power frequency withstand voltage	phase to phase phase to earth across open contacts	kV	42/48	50/60	95/115
9	1min(wet)power frequency withstand voltage			34	50	85
10	lightning impulse wuthstand voltage(peak)			75/85	125/145	185/215
11	Mechanical life	Times		2000

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