Aierway 12KV-630A Load Switch

Load switch of YFC-12KV-630A complies with the technical requirements of GB3804-2004″High-voltage alternating-current switches for rated voltage above 3.6KV and up to and including 40.5KV”and GB16926-1997″High-voltage alternating current switch-fuse combinations”

Major loop:630A-20KA(4s);25KA(3s);Mechanical life:5000 times.

Ground loop:20KA(2s);Mechanical life:2000 times.

Description

Product introduction

Load switch of YFC-12KV-630A complies with the technical requirements of GB3804-2004″High-voltage alternating-current switches for rated voltage above 3.6KV and up to and including 40.5KV”and GB16926-1997″High-voltage alternating current switch-fuse combinations”

Major loop:630A-20KA(4s);25KA(3s);Mechanical life:5000 times.

Ground loop:20KA(2s);Mechanical life:2000 times.

Working condition

Altitude≤1000m,earthquakeintensity≤8degree.

Class of pollution:II.

Ambient temperature:-40℃~+140℃;Relative humidity daily average≤90%,monthly average≤90%.

Not applicable in the place with requently violent vibrations,or water vapor,gas,chemicall corrosive sediments,salt spray,dust and dirt,that would significantly affect the performance of the mechanism, or fire and explosion hazards.

Technical data table 

No. Item Unit Data
1 Rated frequency Hz 50
2 Rated current A 1250
3 Rated short time withstand current KA 20/25
4 Rated peak withstand current KA 50
5 Rated short circuit duration s 4
6 Rated short circuit making current KA 50
7 Rated operating sequence O-0.3s-180s-CO

Outline and dimensions of installation

12KV-630A
Go to Top