High Quality Gw4 Disconnector - 24kv Indoor Combined Electric Grounding Switch Earthing Switch for Switchgear – Aiso

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High Quality Gw4 Disconnector - 24kv Indoor Combined Electric Grounding Switch Earthing Switch for Switchgear – Aiso Detail:

Earthing Switch for Switchgear Product Description

Jn15 indoor high-voltage alternating-current earthing switch is used as a support product for indoor three-phase alternating- current power systems of 3 ~ 40.5kV and 50(60)Hz and high- voltage switch cabinets or as an earthing switch for the overhauls of high-voltage electrical equipment. It is characterized by simple and compact structure, light weight, flexible operation, easy installation and good thermal stability and dynamic stability.

JN15-12/24/40.5KV indoor high-voltage alternating-current earthing switch is produced in line with the following standards and codes. 

GB 1985 High-voltage alternating-current disconnectors and earthing switchesIEC 62271-102 High-voltage alternating-current disconnectors and earthing switches
Grounding Switch Earthing Switch Environmental Conditions
Ambient temperature: – 40°C~+40°C (below 35°C within 24 hours) Relative humidity: ≤95% (daily average) or ≤90% (monthly average) Altitude:  ≤ 1000m 
Indoor High Voltage Earthing Switch Main Technical Parameters

Item		Unit	Rsference valie
Rated voltage		KV	12/24/40.5
Rated insulation level	Lightning impulse withstand voltage	KV	75,145,185
	1min power-frequency withstand voltage	KV	42,65,95
Rated frequency		Hz	50 / 60
Rated short-time withstand current		kA	31.5 / 40
Rated withstand current(peak value)		kA	80 / 100
Interphase center distance		mm	See the table

 

Note:Please contact the factory to confirm the latest parameters

Outline and installation dimension

Model and specification	E	L	C
JN15-24/31.5-275	275	810	646

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