Product Details

Single Phase Vacuum Contactor 400A 630A 1.14KV

GVC1-400/630A vacuum contactors are mainly used for AC 50-60Hz, the main circuit rated voltage 1140V, the rated current 400A/630A power network systems for remote making and breaking and frequent starting and control of AC motors, transformers and capacitor banks and other occasions.

The vacuum contactor is made of fully enclosed structure, high capacity heat dissipation and high performance component configuration. It has the advantages of stable and reliable mechanical properties, long service life and maintenance. It is especially suitable for locomotive, wind power, variable device used as the main switch side of the switch, cost-effective, is the best alternative to overseas products.

Description:single phase vacuum contactor, 1 pole vacuum contactor

Control voltage: AC/DC110V/220V/380V or could be customized.

Product type: the electromagnetic holding type.

Auxiliary circuit contacts: 2NO 1NC.

Auxiliary circuit convention heating current of the auxiliary switch is≤5A.

Control loop mode: the electromagnetic holding type adopts a direct electromagnetic system, the AC control power supply coils work through the rectifier bridge.

Technical parameter	Value
Model	GVC1-400A/1.14KV	GVC1-630A/1.14KV
Main circuit rated voltage (kV)	1.14	1.14
Main circuit rated current (A)	400	630
Main circuit making capacity (A/100times)	4000	6300
Main circuit break-make ability (A/100times)	3200	5000
Ultimate breaking capacity(A/3times)	4500	6300
Mechanical life(Times)	100 0000	100 0000
Electricity life AC3(Times)	20 0000	20 0000
Electricity life AC4(Times)	50000	50000
Power-frequency withstand voltage of the main circuit (fracture)(kV)	15	15
Power-frequency withstand voltage of the control circuit(kV)	2.5	2.5
Rated Operating Frequency AC3 (Times/h)	300	300
Rated Operating Frequency AC4 (Times/h)	120	120
Clearance Between Open Contacts (mm)	2.5±0.5	2.5±0.5
Over travel (mm)	1.5±0.5	1.5±0.5

FAQ

Q:What is the benefit of using a vacuum contactor?

Medium voltage vacuum contactors are specialized electrical switches designed for medium-voltage power systems. They utilize vacuum interrupters to extinguish arcs when contacts are opened or closed. These contractors offer advantages such as enhanced safety, longevity, and low maintenance.

Q:What is the principle of vacuum contactor?

The vacuum contactor is mainly composed of a vacuum interrupter and an operating mechanism. The vacuum interrupter has two functions of reliable arc extinguishing when passing the normal operating current and frequently switching the operating current. But it cannot cut off the overload and short-circuit current.

Q:Why fast vacuum contactor can be act as bypass switch?

Fast vacuum contactors are widely used as bypass switches due to their quick operation (<5 milliseconds), high reliability, and high current tolerance. They ensure continuous power supply during main circuit faults or maintenance, making them ideal for scenarios requiring rapid response and efficient power management.

Q:What is the main difference between medium voltage and low voltage vacuum contactor?

The main difference between medium voltage and low voltage vacuum contactor lies in their voltage range and application scenarios. Medium voltage vacuum contactors are used in systems ranging from 3.6kV to 36kV, suitable for controlling and protecting medium voltage motors. Low voltage vacuum contactors are used below 2kV, suitable for low voltage motors and equipment. Medium voltage contactors are more robustly designed and costlier, while low voltage contactors are more compact, fitting well in low voltage distribution cabinets.

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400A and 630A Single Pole Vacuum Contactor (PDF)

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