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Compare VIOX AC contactor series for motor and load switching. Confirm utilization category, operational current, coil supply and auxiliary-contact requirements by model.

Remote switchingCoil-operated main contacts

Load dutyMatch utilization category

Contact arrangementMain and auxiliary contacts

Coil selectionVoltage and frequency by model

VIOX AC Contactor SERIESপ্রকাশিত পণ্যের পরিসর

What is an AC contactor?

An AC contactor is an electrically operated switching device used to control motors and other loads. Energizing its coil changes the state of the main contacts, allowing frequent remote control within the device operating characteristics.

A contactor is not selected by frame size alone and does not replace short-circuit or overload protection. Load type, utilization category, operational current, coil supply, switching frequency, auxiliary contacts and protective-device coordination must be checked.

নিয়ন্ত্রণ সংকেতThe specified voltage is applied to the contactor coil.
磁操作The mechanism changes the state of the main and auxiliary contacts.
Load switchedThe circuit is opened or closed within the selected duty and rating.

How to choose an AC contactor

Start with the load duty and coil supply, then coordinate protection and accessories.

Utilization category and load

Match motor, heating or other switching duty to the published device rating.

Operational current and voltage

Use the rating stated for the applicable utilization category and system voltage.

Coil voltage and frequency

Confirm the control supply and coil designation on the exact product.

Auxiliary contacts and accessories

Define interlocking, signaling and overload-relay requirements before ordering.

Coordinate the motor starter

The contactor, overload relay and short-circuit protective device perform different functions and must be coordinated.

KContactor switches the motor circuit
OLOverload relay responds to sustained overload
SCPDUpstream device provides short-circuit protection
Read the AC Contactor selection guide

Compare published AC Contactor series

Blank cells mean the value is not available in the current product summary. Open the model page or request its datasheet before specification.

সিরিজরেট করা বর্তমানহারের ভোল্টেজকয়েলকনফিগারেশন
VIOX CJX2-0911
VIOX CJX2-1811
VIOX CJX2-2510
VIOX CJX2-3211
VIOX CJX2-4011
VIOX CJX2-6511
VIOX CJX2-9511

AC Contactor Selection Questions

Quick answers for preliminary product-family comparison before detailed circuit verification.

What is an AC contactor used for?

An AC contactor provides electrically controlled switching for motors and other loads within its published utilization ratings.

How should an AC contactor be sized for a motor?

Use the motor data, system voltage, utilization category, operational current, duty and coordination requirements rather than relying on motor power alone.

Does a contactor protect a motor from overload?

A standard contactor performs switching. Motor overload and short-circuit protection require coordinated protective devices.

Why does coil voltage matter?

The coil must match the available control voltage and frequency. An incorrect coil supply can prevent reliable operation or damage the device.

Can auxiliary contacts be added?

Accessory availability and contact arrangements vary by series. Confirm the required auxiliary functions before selecting the model.

Need the Right AC Contactor?
Let’s Match the Motor Starter.

Send the load type, motor data, system voltage, coil supply, duty, accessories, quantity and target market. VIOX will help narrow the relevant published series.

Request AC Contactor Support