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SQUARE D 8903LXO40V04 Mechanically Held Lighting Contactor - Mechanically Held Lighting Contactors
SQUARE DMechanically Held Lighting Contactors

SQUARE D 8903LXO40V04 Mechanically Held Lighting Contactor

SQUARE D Mechanically Held Lighting Contactors.

SKU 3G-OTH-43354

Brand
SQUARE D
Item
8903LXO40V04 Mechanically Held Lighting Contactor
Part Number
8903LXO40V04
Category
Mechanically Held Lighting Contactors
Available to Order
Also known as:8903LXO40V04SQUARE D
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

SQUARE D
Manufacturer Part Number
8903LXO40V04

Technical Documents

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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

SQUARE D Mechanically Held Lighting Contactors.

Frequently Asked Questions

What is a SQUARE D 8903LXO40V04 lighting magnetic contactor used for?

The SQUARE D 8903LXO40V04 is a 4-pole, 277V AC, 30 A mechanically held lighting contactor used to control large lighting loads in commercial and industrial facilities. It provides reliable switching for high-amp circuits, reducing coil power consumption after engagement.

What are the specifications of the SQUARE D 8903LXO40V04 contactor?

The SQUARE D 8903LXO40V04 is a mechanically held lighting contactor with 4 poles, rated 277V AC and 30 A. It is designed for industrial lighting control and uses a latching mechanism to maintain contact without continuous coil power.

Where to buy a SQUARE D 8903LXO40V04 lighting contactor worldwide?

3G Electric supplies the SQUARE D 8903LXO40V04 lighting contactor worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 4-pole, 277V AC, 30 A model.

How to install a SQUARE D mechanically held lighting contactor?

Install the SQUARE D 8903LXO40V04 by mounting it in a suitable enclosure, connecting line and load wires per the wiring diagram, and applying control voltage to the coil. Mechanically held types require a momentary pulse to latch; ensure proper polarity and torque specs per the manual.

Used in

Common applications for SQUARE D
Commercial electrical panels — QO and QOB miniature circuit breakers for overcurrent protection in load centers and panelboards.
HVACR equipment — 8910 Series Type DPA definite purpose contactors for switching compressor and fan motor loads.
Industrial power distribution — J-Frame molded case circuit breakers for main and feeder protection in switchboards.
Residential ground-fault protection — QO and QOB GFI circuit breakers for kitchens, bathrooms, and outdoor circuits.
Motor control centers — definite purpose contactors for controlling pumps, fans, and other moderate motor loads.
OEM machinery — Square D circuit breakers and contactors for integration into control panels and equipment.
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SQUARE D Products

3G Electric supplies SQUARE D mechanically held lighting contactors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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