Introduction of Indoor AC Metal Armored Switchgear [  three phase AC 11lkv ring main unit Switchgear

This product meets GB3906-97"3~35kV three phase AC 11lkv ring main unit Switchgear " , DL404-97"Technical Conditions of Indoor AC Switch Ordering" ,IEC298" AC Metal Closed Switchgear and Control Equipment" and other standards. It applies to 3~10kV AC three-phase 50Hz single generetrix power system as the receiver and distributor of the power. It is widely used in various power plants, substation and industrial and mining enterprises. It can be installed on the wall (not recommended) and not.

 Technical Specification :

Model Number: KYN18-12 SA

Rated voltage:  12KV

Rated current: 630,1250,1600,2000,3150

rated short time withstand short:  circuit current: 25,31.5,40(4s)Ka

Rated short circuit breaking current: 25,31.5,40Ka

Rated peak withstand short:  circuit current:63,80,100ka

Ambient temperature:  -10℃ ~+40℃

Altitude: ≤1000m

Relative humidity: monthly average ≤90%

Enclosure protection degree:  IP4X

Rated power frequency withstand:  voltage:42(1min) KV