12kv Isolating Switch with Manual Mechanism

Model NO.: GW4-12/630

Number of Poles: Three Pole

Grounding: Double Ground

Series: Three

Run: Turn the Horizontal

Common Model: Gw

Structure of Operating: Manual

Certification: Veiki

Brand: Yongde

Application: Substation

Trademark: YONGDE

Transport Package: by Wood Carton

Specification: IEC62271-102: 2005 and IEEE Std C37.30-1997

Origin: China

HS Code: 8535300000

Centre break disconnector 72.5KV
1. Simple Structure, reliable property, wide usage, economical and long-time life.
2. Complete specification and satisfy user's different parameters requirements.
3. Connecting terminal and the electric pole is made by casting aluminum-alloy and section bar, having the good property of high-intensity, good flowing and anti-corrosion
4. In the galvanic circle, the section is the combination structure made by screw fix linking, having the good property of stable flowing, high reliability, simple change way and convenient adding volume way.
5. In the galvanic circle, the contact and finger is made by T2Y pure copper tap whose connecting part is coated by 30Î¼ M silver.
6. Finger spring is made by the stainless steel and its design is the inside hiding and outside press structure which is convenient for testing and changing.
7. Bearing block is made by high-intensity casting steel (disposed by hot zinc coating), the height can be adjusted and have the function of damping.
8. All the operating rod and linking rod are supplied by manufacturer, which is convenient for loading, adjusting and testing.
9. Can be supplied as a whole above the ground according to user's requirement.

No	Item			Technical parameter
1	Rated VoltageÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â kV			72.5	123	145	245
2	Rated CurrentÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â A			1250Â 1600Â 2000Â 2500Â 3150Â 4000
3	Rated Short Time withstand current and TimeÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â kA/s			25~50/4
4	Rated Peak withstand currentÂ kA			63~125
5	1min power frequencyÂ withstand voltage (effective value)Â Â kV		To earth	140	230	275	460
			To phase	140	230	275	460
			Across Isolating DS	180	300	315	605
6	Lightning Impulse wishstand voltage (peak value)Â Â Â Â kV		To earth	325	550	650	1050
			To phase	325	550	650	1050
			Across Isolating DS	405	650	750	1200
7	Rated mechanical terminal loadÂ Â Â Â Â Â N		Level of lateral load	750	1500	1500	2000
			Level of vertical load	500	1000	1000	1500
			Vertical	750	1000	1000	1250
8	Â	Â		Â
		Â		Â
9	Max Man Operative MomentÂ Â N. m			200
10	Motor Drive operating mechanism control voltageÂ Â Â Â Â Â Â Â Â Â Â Â Â Â V			AC220; DC110, 220
11	Motor Drive operating mechanism motorÂ voltageÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â V			AC220, 380; DC110, 220

Drawing:
12kv Isolating Switch with Manual Mechanism

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