China 1250A 3P Manual Load Isolation Switch factory and manufacturers

1250A 3P Manual Load Isolation Switch

Short Description:

Do Better Performances in Demanding Duties
Yueqing Aiso gain client trust thanks to their proven reputation for reliability, performance and long life. 400A 4P Manual Changeover Load Isolation Switch from Yueqing Aiso are available for original equipment manufacturers (OEM) to incorporate in their own installations or for use in repair, retrofit and upgrade projects.

Why Yueqing AIso?
1,Full engineering and technical support: 3 professional manufacturers, and technical service team.
2,Quality is No1 ,our culture.
3,Quickly lead times:”Time is gold” for you and for us
4,30min fast response:we have professional team,7*20H

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electric manual changeover Summary

A: SGL AC load isolation switch is widely used in the distribution system and automatic system of architecture, electrical power, petrochemical, and other industries. it is suitable for AC 50hz, rated voltage to 660V, DC rated voltage up to 440V, Rated current up to 3150A.

B: Many forms of structures and operations in which the on and off state of contact is abserved through windows.

C: There are many types of switch: operation inside or outside the board, frontal or lateral operations, there are also connections behind the board.

D: All the contact material are copper alloy plated with silver, and possess two separation contact surfaces

E: Be on “O” position, it can lock the handle with three locks at the same time and thus can avoid error operation.

Main technical parameters

Item	Description			Unit	Data
1	Rated heating current			A	1250
2	Dielectric strength			V	8000
3	Rated insulation voltage			V	1250
4	Rated frequency			Hz	50
5	Rated current le(A)	380V	AC-21	V	1250
			AC-22		1250
			AC-23		800
		660V	AC-21		1250
			AC-22		630
			AC-23		400
6	Mechanical life			Times	5500