ac contactor

Industrial Contactor Sourcing is an independent sourcing partner for US business buyers who need an ac contactor matched to a written coil, contact and pole brief. We collect factory quotations on one basis. We do not manufacture these devices, publish a price list or energize equipment on site.

We are not a factory, not a factory-appointed sales office and not a licensed electrical contractor. Field replacement, panel wiring and design sign-off stay with the buyer and the installer they appoint.

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AC contactor on a motor-control rail, application sketch only
Application sketch of a rail-mounted switching device. It is not a completed project owned by this office.

Turn an ac contactor brief into comparable factory quotes

Neighbouring catalogue names such as a control relay, a lighting-only device or a reversing pair are different constructions. Write which construction you are buying before factories guess. Ampere rating alone does not separate those forms.

  1. Define the duty

    State what the device must switch: a squirrel-cage motor, a heater, a compressor or a lighting circuit. Record operational current in A and keep any short-circuit figure in kA as a separate value. Those units are not interchangeable. Horsepower and kilowatts are not treated as the same unit here.

  2. Fix the constraints

    State coil voltage with AC or DC and frequency, pole count, auxiliary contacts, DIN-rail or panel mounting and enclosure NEMA or IP type. A NEMA type is not rewritten as an IP number on this site. Leave a field marked open rather than inventing a latching or reversing kit.

  3. Set the order scope

    State quantity per configuration, destination state or postal code and requested timing. Name accessories that must travel with the price: overload relay, mechanical interlock, surge suppressor or packing only.

Open the inquiry option list when you already know the construction, or the quotation alignment page when several factories must answer the same definite-purpose lines. Start a brief from the contact page.

Procurement questions before a request leaves the desk

Are you the manufacturer?

No. This office organizes buyer-side inquiries. Manufacturing, warehouse quantity and listing numbers belong to the supplier named on a later offer. Company-level certificates are not treated as proof for a quoted model.

Which purchasing requirements separate ac contactor from neighbouring industrial contactors options?

An ac contactor request names coil voltage, main-contact duty and pole count for a power circuit. A definite-purpose device is usually published in horsepower at a voltage plus resistive amperes. An IEC miniature frame is sized by utilisation category. A NEMA size carries thermal margin in the size step. Those framings must stay separate on the request.

What does an independent sourcing request for ac contactor have to contain before factories can answer it?

Factories can answer when the brief states product form, quantity and unit, coil voltage with frequency, main contact rating in A, poles, utilisation category or the actual load, mounting, destination and requested delivery date. Optional budget and high-end, mid-range, budget-friendly or undecided preference can travel in the same requirements box. They do not replace ratings.

Which part of the ac contactor specification stays the buyer's decision?

Utilisation category, auxiliary-contact form, whether an overload travels with the device and whether a lockable disconnect sits upstream are engineering decisions. This office restates them in writing. It does not sign them as the authority having jurisdiction.

Can you quote without a model number?

A model number is useful and not mandatory. A written duty can still be sent to factories that build that construction. Offers stay open until the datasheet for the named model is on the table.

Two buyer desks that send ac contactor briefs

Buying for a project

Panel builders and facility buyers work from a device schedule. They need matched coil voltage, contact duty and a pole count that follows the circuit rather than a catalogue default.

  • Device schedule, coil supply and contact ratings
  • Delivery aligned to panel build, not to a generic week

Buying for resale or stock programs

Distributors need a repeatable specification per model, including terminal type and packaging. A family brochure ampere span is not a purchasing specification.

  • Repeatable model file and packaging basis
  • Quantity breaks stated per rating, not mixed frames

Send the ac contactor duty you actually have

Write coil voltage, contact amperes, poles, quantity, destination and requested timing. Factory answers are compared on that written basis. No market-discount percentage is published here.

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