VCN3-12 Handcart Vacuum Contactor | High Voltage Power Control

VCN3-10kV(12kV) Series Handcart Vacuum Contactor is a new type of medium-voltage indoor switchgear independently developed by our company in response to the current development of the power industry. This product can be used for frequent starting of motors or switching of transformers and capacitors. The vacuum contactor features a draw-out structure compatible with the ABB VD4 or VS1 circuit breaker, which has the same dimensions as the 800mm wide draw-out cabinet, allowing for easy installation without any modifications to the switch cabinet. The VCN3 series vacuum contactor is suitable for a three-phase AC power system with a rated voltage of 10kV(12 kV) and a frequency of 50 Hz. The product is applied in thermal power plants, metallurgy, petrochemicals, and other industrial enterprises, serving as switchgear for controlling and protecting high-voltage motors, transformers, induction furnaces, and other loads.

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Feature

Long service life(over 20 times that of circuit breakers)

Frequent operation, stable performance, reasonable functionality, low cost, low noise, and compact size.

Widely used in thermal power plants, metallurgy, petrochemicals, and other industrial enterprises as switchgear for controlling and protecting high-voltage motors, transformers, induction furnaces, and other loads.

Parameter

Tech. parameters	Model	VCN3-160/12	VCN3-250/12	VCN3-400/12	VCN3-630/12
Rated voltage of main loop	(KV)	12	12	12	12
Rated current of main loop	(A)	160	250	400	630
Rated peak withstand current	(KA)	1600	2500	4000	6300
Mechanical life	(Ten thousand times)	30	30	30	30
Power-frequency withstand voltage of main loop(fracture)	(KV)	42	42	42	42
Phase-phase/phase-ground power frequency withstand voltage	(KV)	42	42	42	42
Lightning impulse withstand voltage	(KV)	75	75	75	75
Power frequency withstand voltage of controlling circuit	(KV)	2	2	2	2
Clearance between open contactsContact spacing	(mm)	6±1	6±1	6±1	6±1
Overtravel	(mm)	2±0.5	2±0.5	2±0.5	2±0.5
Contact resistance of main loop	(μΩ)	≤150	≤150	≤150	≤150