24KV Three Poles Indoor AC High Voltage Earthing Isolation Switch With Sensor Insulator JN15-24/31.5

Model: JN15-24/31.5

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
JN15 -24/31.5 Series indoor earthing switch is a new design and improved on the JN15 type (the installation size does not change). It is suitable for electric power system with 20~24KV, three- -phase and AC 50(60)Hz. 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: -10C ~ +40°C ; O Altitude: ≤1000m; O Relative humidity: Daily average≤95%，Monthly average≤90% O Earthquake intensity:≤8 degree; O Class of pollution: II .
Drawing

Hole location diagram

Environmental

No.	ltem	Unit	Data
1	Rated voltage	KV	24
2	Rated short time withstand current	KA	31.5
3	Rated short circuit withstand time	S	4
4	Rated short circuit making current	KA	80
5	Rated peak withstand current	KA	80

No.	ltem		Unit	Data
6	Rated insulation level	1 min power frequency withstand voltage	KV	65
7	Rated insulation level	Lightning Impulse withstand voltage	KV	95
8	Mechanical life		TIMES	2000

Specification	E	F	G	H	[)	C
JN15-24/31.5-210	210	75	160	655	516
JN15-24/31.5-220	220	75	160	735	536
JN15-24/31.5-230	230	75	160	810	556	96
JN15-24/31.5-250	250	75	160	810	596	96
JN15-24/31.5-275	275	75	185	810	646	96

24KV Three Poles Indoor AC High Voltage Earthing Isolation Switch With Sensor Insulator JN15-24/31.5

Product definition

Introduction

Working condition

Drawing

Hole location diagram

Environmental

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