JN15-12 indoor HV earthing switch can be applied to power system of rated voltage from 3.6 to 12kV and three-phase AC frequancy of 50Hz. It is suitable for various types HV switchgear for earthing protection.

Product description
1.Usable and scientific,available operation on both two sides 2.Quick breaking and making capability 3.Rated voltage:12/31.5JN1512/31.5 indoor AC high voltage earthing switch is an advanced level product with hightech parameters performance improved on the basis of ES1 earthing switch.After comprehensive evaluation, it conforms to GB1985AC HV disconnect switchａnd earthing switch and IEC129,applies to power system of 3-12kV and three-phase AC 50(60)Hz.

Parameters:

Item		Unit	Data
Rated voltage		kV	12
Rated short-time withstａnd current		kA	40
Rated short-circuit duration		s	4
Rated short-circuit making current		kA	100
Rated peak withstａnd current		kA	100
Rated insulation level	PF withstａnd voltage(1 min)	kV	Phase to earth	42
	Lightning impulse withstａnd voltage		Phase to phase	75
Mechanical endurance		time	2000

Ambient condition:
1.Altitude: ≤1000m
2.Ambient temperature: -10°C ~+40°C
3.Earthquake intensity: ≤8 degree
4.Pollution level: II

5.Relative humidity: Daily averages95%, Monthly average≤90%

Contact me: Miss Karen Hu

Sales Department

Telephone: +86-

: info@volcano-electrical.com

Webiste: https://www.volcano-electrical.com/

Zhejiang Volcano-electrical technology is an ISO-9001 ISO-14001, ISO-18001 approved factory, professional in producing vacuum circuit breakers, auto-reclosers, disconnectors, load break switch and switchgear. The factory occupies a manufaturing square over 1000㎡ and has several advanced production line with mechanical operation. We make constant efforts to improve product quality and service. Our company has get many patent certifications and products have passed type testing. We can provide a complete set of transmission and distribution. To offer the best quality with our best service is our main management principal.