12KV Indoor High and Medium Voltage Switchgear Earthing Switch JN17-12/50

Model: JN17-12/50

Description:

The Earthing switch is a type of electrical switch that is used to connect or disconnect an electrical circuit from the ground. It is typically used to provide a safe path for electrical current to flow to the ground in the event of a fault or short circuit.

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General
Technical Parameter

Product definition

Introduction
JN17-12/50 lOld type is JN15-12/50) Series indoor high voltage earthing switch is a new design and improved product based on the ES1 type. The structure is assembled and suitable for electric power system with 3~10KV, three -phase and AC 50(601Hz. As an earthing protection, it can be used in various kinds of HV switchgears. It meets GB1985 -2004 and IEC129 standard.
Working condition
O Ambient temperature: -10%C ~+40C ; O Altitude: ≤1000m; O Relative humidity: Daily average≤95%，Monthly average≤90% O Earthquake intensity:≤8 degree; O Dirtiness degree: II.
Drawing

Copper terminal block

Hole location diagram

Environmental

No.	ltem		Unit	Data
1	Rated voltage		KV	12
2	Rated short time withstand current		KA	50
3	Rated short circuit withstand time		S	4
4	Rated short circuit making current		KA	100
5	Rated peak withstand current		KA	100
6	Rated insulation level	1 min power frequency withstand voltage		42
6	Rated insulation level	Lightning Impulse withstand voltage	KV	75
7	Mechanical life		TIMES	2000

(Unit:mm)
Specification	E	F	G	H	D
JN17-12/50-210	210	50	185	655	516
JN17-12/50-220	220	50	185	675	536
JN17-12/50-230	230	50	185	695	556
JN17-12/50-250	250	50	185	735	596
JN17-12/50-275	275	50	210	810	646

Order notes:Indicate product specification, central distance between poles, if the electric live displaylmodel number of display) needed or not. Please note the soft link length when ordering (normal L=250mm). Please consult US if you have any special request.

12KV Indoor High and Medium Voltage Switchgear Earthing Switch JN17-12/50

Product definition

Introduction

Working condition

Drawing

Copper terminal block

Hole location diagram

Environmental

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