High Voltage Outdoor Pole Mounted Disconnect Switch Load Break Switch Earth Switch Ground Switch

Basic Info

Model NO.	GW9-12
Type	High-voltage
Structure	Three-column Disconnector
Installation	Outdoor High-voltage
Operation	Electric
Grounding Mode	Grounding
Movement Mode	Vertical Rotary Type
Number of Poles	Three Pole
Grounding	Single Ground
Series	Three
Run	Vertical Rotation
Switching Mode	Single Throw-in
Common Model	YR
Structure of Operating	Electric
Certification	ISO, ISO9001
Brand	Nce
Transport Package	Plywood Box
Specification	750*450*200mm
Trademark	NCE
Origin	China
HS Code	8535309000
Production Capacity	3000set/Month

Packaging & Delivery

Package size per unit product 80.00cm * 40.00cm * 50.00cm Gross weight per unit product 120.000kg

Product Description

High Voltage Outdoor Pole Mounted Disconnect Switch Load Break Switch Earth Switch Ground SwitchWorking condition

Name		Unit	Applicable condition
Ambient air temperature	Max temperature	ºC	+50
	Min temperature		-60
	Max daily temperature difference	K	30
Altitude		m	≤3000
Solar radiation intensity		W/cm2	0.1
Pollution degree			IV
Icing thickness		mm	10
Humidity	Daily relative humidity average	%	≤100
	Monthly relative humidity average		≤95
Earthquake tolerance ability		degree	≤8

Technical Specs

Item			Unit	Data
Rated voltage			kV	12
Rated current			A	630
Rated frequency			Hz	50/60
Rated peak withstand current			kA	50
Rated short time withstand current			kA	20
Rated short circuit duration			S	4
Rated active load breaking current			A	630
Rated circuit breaking current			A	630
Rated cable charging current			A	10
5% rated active load breaking current			A	31.5
Rated power transformer breaking current			A	1250
Rated short-circuit making current			kA	50
Main circuit resistance			μΩ	<90
1min power frequency withstand voltage	Dry	phase to phase, to earth	kV	42
		across open contacts		49
	Wet	phase to phase, to earth		30
Lightning impulse withstand voltage (peak)		phase to phase, to earth	kV	75
		across open contacts		85
Mechanical life			times	2000