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Motorized Earthing Switch JN22B 40.5kV Ground Switch With 31.5kA Short Circuit Current

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Motorized Earthing Switch JN22B 40.5kV Ground Switch With 31.5kA Short Circuit Current

Large Image : Motorized Earthing Switch JN22B 40.5kV Ground Switch With 31.5kA Short Circuit Current

Product Details:

Place of Origin:	China
Brand Name:	MacweyTEK
Certification:	IEC
Model Number:	JN22B-40.5

Payment & Shipping Terms:

Minimum Order Quantity:	1 pc
Price:	$100-$300
Packaging Details:	carton
Delivery Time:	8 days
Payment Terms:	T/T
Supply Ability:	1000 pcs

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Detailed Product Description

Name:	Earthing Switch	Rated Voltage:	40.5KV
Rated Short-time Withstand Current (4s):	31.5kA	Rated Short-circuit Making Current:	80kA
Rated Peak Withstand Current:	80kA	Phase-to-phase Distance:	300mm, 350mm, 400mm
Highlight:	Motorized Earthing Switch , JN22B Ground Switch , 40.5kV Ground Switch

JN22B 40.5kV Motorized Earthing Switch with 31.5kA Short-Circuit Current and 300/350/400mm Phase-to-Phase Distance for High and Medium Voltage Switchgear

Indoor High and Medium Voltage Switchgear Earthing Switch

The JN22B-40.5/31.5 indoor high-voltage earthing switch is a newly developed product that meets GB1985-2004 and IEC62271-102:2002 standards. Designed for three-phase power systems with AC 50Hz and rated voltage 40.5kV, this switch serves as a ground protection device during maintenance of high-voltage electrical equipment.

This earthing switch features a simple, compact structure with excellent performance and requires minimal operating angle. It is compatible with KYN61-40.5 high-voltage switchgear and other similar equipment, with connection and transmission parts interchangeable with JN15-12 series.

Service Conditions

Maximum altitude: 1,000m
Ambient temperature range: -25℃ to +40℃
Seismic intensity: ≤Ms8
Installation site must be free from fire hazards, explosive danger, heavy dust, chemical corrosion, or severe vibration

Technical Specifications

Item	Unit	Data
Rated voltage	KV	40.5
Rated short-time withstand current (4s)	kA	31.5
Rated short-circuit making current	kA	80
Rated peak withstand current	kA	80
Phase-to-phase distance	mm	300, 350, 400
Rated short-time power frequency withstand voltage (1min)		95 kV (Phase-to-ground and phase-to-phase)
Rated lightning impulse withstand voltage		185 kV

Product Dimensions

Product model	E	L	D
JN22B-40.5/31.5-300	300	1100	696
JN22B-40.5/31.5-350	350	1150	796
JN22B-40.5/31.5-400	400	1200	896

Tag:

Contact Person: Alec Sung

Tel: 0086-13625845635

Fax: 0086-574-88478873

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Motorized Earthing Switch JN22B 40.5kV Ground Switch With 31.5kA Short Circuit Current

Motorized Earthing Switch JN22B 40.5kV Ground Switch With 31.5kA Short Circuit Current

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