12kV 900A Outdoor electric Isolator switch / AC disconnect switch/disconnector switch

1. Max. current: 900A. Max. voltage: 12kV. 2. Silicone rubber insulator. 3. 11kV 12kV, 900A outdoor isolator.

12kV 900A Silicone Rubber Insulator Outdoor Isolator / AC disconnect switch

 Description

     Outdoor AC Isolator Switch is used to open and close circuit with voltage but no-load 50/60HZ, 12(11)kV power system. The anti-pollution type can be used in the serious pollution area.

 Ambient Condition:

• Altitude:≤3000m

•Ambient temperature:+30°C ~-40°C

•Wind speed:≤35m/s

•Earthquake intensity:≤8 degree

•Air pollution :IV

•Ice thickness:≤10mm

 Technical Specification:

NO	Item		Unit	Parameter
1	Rated Voltage		kV	12	12
2	Rated current		A	630	900
3	Rated power frequency		Hz	50	50
4	Rated peak withstand current		kA	63	63
5	Rated short-time withstand current  (3S)		kA	25	25
6	Rated heat steady current		kA	25/3S	25/3S
7	Main loop resistance		μΩ	630A≤62	900A≤46
8	1min(dry) power frequency withstand voltage	Phase to phase/earth across open contacts	kV	54/61.5	54/61.5
9	1min(wet) power frequency withstand voltage			38.5/46.5	38.5/46.5
10	Lightning impulse withstand voltage(BIL)			110	110
11	Mechanical life		Times	2000	2000

12kV 900A Outdoor electric Isolator switch / AC disconnect switch/disconnector switch