ODM VSY2-12GD Miniaturized Three-Position High Voltage Vacuum Circuit Breaker Manufacturers, Factory

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ODM VSY2-12GD Miniaturized Three-Position High Voltage Vacuum Circuit Breaker Manufacturers, Factory

VSY2-12GD is a compact three-position high-voltage vacuum circuit breaker designed for 12kV power distribution systems. It integrates a disconnector, load switch, and earthing switch in one unit with a highly insulated vacuum arc-extinguishing structure, delivering strong electrical performance and reliable operation. Equipped with complete mechanical interlocks, it ensures full compliance with switchgear five-prevention requirements for enhanced operational safety. Supporting flexible manual and motorized operation, it features a visible break after opening, stable short-circuit protection, and long mechanical endurance. Its small size, lightweight design, and flexible installation make it ideal for compact switchgear applications.

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Product Description

Main Features

Adopts vacuum arc-extinguishing composite insulation structure, featuring high insulation level and excellent electrical performance.
Integrates disconnector, load switch and earthing switch in one unit, featuring compact structure, small size and light weight.
Flexible installation methods, with optional operation modes: manual, motorized, and manual closing & electrical opening.
Adopts rotary disconnector with visible break after opening.
The load switch equipped with fuses has short-circuit protection function and can replace conventional circuit breakers.
Mechanical interlocks are set between the disconnector, load switch and earthing switch to meet the "five-prevention" requirements of switchgear.

Technical Parameters

No.	Name	Unit	Load Switch	Combined Electrical Apparatus
1	Rated Frequency	Hz	50	50
2	Rated Voltage	kV	12	12
3	1min Power Frequency Withstand Voltage	kV	42kV between phases, to ground and at vacuum break / 48kV at isolation break	Same as left
4	Rated Lightning Impulse Withstand Voltage (Peak)	kV	75kV between phases, to ground and at vacuum break / 85kV at isolation break	Same as left
5	Rated Current	A	630	Maximum rated current of fuse: 125, 200
6	Rated Short-circuit Breaking Current	kA	-	31.5
7	Rated Active Load Breaking Current	A	630	-
8	Rated No-load Transformer Breaking Current	-	63	-
9	Rated Closed-loop Breaking Current	A	630	-
10	Rated Short-time Withstand Current (4s)	kA	25	-
11	Rated Peak Withstand Current	kA	63	-
12	Rated Short-circuit Making Current (Peak)	kA	50	50
13	Rated Transfer (Make) Current	A	1700 (3150)	Same as left
14	Mechanical Endurance	Times	10000	Same as left

Product Display

VSY2-12GD Miniaturized High Voltage Vacuum Circuit Breaker inside

VSY2-12GD Miniaturized High Voltage Vacuum Circuit Breaker

Outline and Installation Dimension

VSY2-12GD Miniaturized Three-Position HV Vacuum Circuit Breaker inside view

Outline Dimension Drawing of VSY2-12GD Front Mounting & Right Operation

Frequently Asked Questions

What functions are integrated into the VSY2-12GD unit?

The VSY2-12GD unit integrates a disconnector, a load switch, and an earthing switch into a single compact structure, optimizing space and reducing weight.

What are the available operation modes for this device?

The device features flexible operation modes, including manual operation, motorized operation, as well as manual closing combined with electrical opening.

Can this unit replace conventional circuit breakers?

Yes, when equipped with fuses, the load switch provides short-circuit protection and can serve as an effective replacement for traditional circuit breakers.

How does the device ensure operational safety?

Operational safety is ensured by mechanical interlocks configured between the disconnector, load switch, and earthing switch, strictly meeting the "five-prevention" safety requirements of medium-voltage switchgear.

What is the mechanical endurance rating of the switch?

The equipment delivers high operational reliability with a mechanical endurance tested up to 10,000 operations under standard operating conditions.

ODM VSY2-12GD Miniaturized Three-Position High Voltage Vacuum Circuit Breaker Manufacturers, Factory

Product Description

Main Features

Technical Parameters

Product Display

Outline and Installation Dimension

Frequently Asked Questions

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