WashiON KYORITSU KEIKI VSK-C Series High Voltage Power Transfer Switch

Manufacturer: WashiON KYORITSU KEIKI
Model: VSK-C Series

Features

Safe and reliable switching
The electrical and mechanical interlocks assure error-free operation both in auto and manual mode.
Long life
Long life results from the vacuum valves used for the contacts and the simplified operation mechanism.
Optimal models selectable for your applications
You can choose your transfer switch from the fixed type or pull-out type models for 400A to 600A.

Item		Feature & Performance
Type	Fixed type	VSK-6H40C	VSK-6H60C
	Pull-out type	VSK-6H40C	VSKOs-6H60C
Rated voltage		7.2 / 3.6 KV
Rated current		400 A	600 A
Electric life		10,000 times (rated current switch)
Mechanical life		10,000 times
Rated breaking current		12.5 KA
Rated short time current		12.5 KA (1 second)
Short-circuit making current (Peak)		31.5 KA
Rated frequency		50 / 60 Hz
Power frequency withstand voltage (1min, dry)	Main circuit to earth	22 kV
	Between phases	22 kV
	Between poles	35 kV
	Control circuit to earth	2 kV
Impulse withstand voltage (1.2 / 50 μs)	Main circuit to earth	60 kV
	Between phases	60 kV
	Between poles	70 kV
	Control circuit to earth	7 kV
Operation method		Electro-magnetic operation (Instantaneous energized)
Closing / Tripping operation current	100 VAC	9 A / 1.3 A
	110 VAC	10 A / 1.5 A
	100 VDC	10 A / 1.3 A
	110 VDC	11 A / 1.5 A
Operation voltage range		80 to 100% of Rated Voltage
Closing time	AC Operation type	0.15 sec
	DC Operation type	0.13 sec
Opening time		0.035 sec
Transfer time	AC Operation type	approx. 0.19 sec
	DC Operation type	approx. 0.17 sec
Auxiliary contact	Cotact	2a-2b
	Current	15A
	Switching capacity	250VAC 15A, 110VDC 5A
	Micro load	24VDC 0.1A
Operational temperature		-5 ~ 40°C (no icing)
Operational humidity		45 ~ 85% (no condensing)
Applicable standard		JIS C 4605
Weight	Fixed type	103 Kg	103 Kg
	Pull-out type	Body 118 Kg / Table 30 Kg	Body 118 Kg / Table 30 Kg
Option (Pull-out type)		Position Detect Switch (Operational position 1c, Test position 1c)
Control circuit connector		2 pcs of 1 m length are enclosed.