40.5KV Indoor AC High Voltage Disconnect Switch Indoor Earthing Switch JN22B-40.5/31.5

Model: JN22B-40.5/31.5

Description:

The grounding 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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Technical Parameter

Product definition

Introduction
JN22B- 40.5/31.5 series indoor HV earthing switch is researched and developed by XI'AN HV Electric research organization, with advanced design and steady performance, simple structures, simple mounting end adjustment, suitable for electric power system with 40.5KV, Three- phase, AC 50Hz.As an earthing protection, it can be used in KYN口- 40.5 or other kinds of switchgears. It is complied with GB 1985- -2004 and IEC129 standard.
Working condition
O Altitude: ≤1000m; O Ambient temperature:- 10°C ~+40°C ; O Earthquake intensity:≤8 degree; O Appliable in the place without corrosive, flammable gas and water place. Order notes: 1.Indicate product specification, rated voltage stability current, central distance between poles. 2.If bevel gear mechanism needed,please indicate right or left operation mechanism according to the operation position shows in the drawing above. 3.If sensors with electric display device needed, please indicate type NO. 4.Please consult US if any special request.
Drawing

Environmental

No.	ltem		Unit	Data
1	Rated voltage		KV	35
2	Maximum voltage		KV	40.5
3	Rated short time withstand current		KA	31.5
4	Rated short circuit withstand time		S	4
5	Rated short circuit making current		KA	80
6	Rated peak withstand current		KA	80
7	Rated insulation level	1 main power frequency withstand voltage	KV	95
7	Rated insulation level	Lightning Impulse withstand voltage	KV	185
8	Central distance between poles		MM	300;350;400

40.5KV Indoor AC High Voltage Disconnect Switch Indoor Earthing Switch JN22B-40.5/31.5

Product definition

Introduction

Working condition

Drawing

Environmental

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