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Square D

Schneider Electric Square D

The Schneider Electric Square D series includes various electrical distribution and industrial control products for residential, commercial, and industrial applications. These products include circuit breakers, panelboards, motor control centers, transformers, and surge protectors, which have power ratings from 120V to 600V and beyond. Square D products have proven reliable, safe, and energy-efficient, making them quite popular for applications in electrical infrastructure. In addition, recent monitoring and connectivity features like EcoStruxure provide advanced Square D support to manage energy and system performance optimally.

Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Browse Square D

Browse available units in our catalog of Square D.

QO3901021

This circuit-breaker model features a compact plug-in design with three poles and is equipped with box lug electrical connections. The interrupt rating is set at 10 kA, making it suitable for a wide r

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4.7

QO140M200C

This load center features dimensions of 33.8 inches in height and 14.3 inches in width, with no tandem slots. It is designed for single-phase, three-wire systems with an interrupt rating of 22 kA, sui

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4.5

8501XO20V02

This control relay is configured with two normally open (NO) contact cartridges and provides a rated breaking capacity of 6 A at 120 V AC. It features a robust short-circuit making capacity of 60 A at

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5.0

9070SK2000G2D1

This transformer control disconnect features dimensions of 13.4 inches in width, 14.8 inches in depth, and 12.21 inches in height. Designed for panel mounting, it has an insulation temperature rating

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4.5

EGB24040

Incorporating thermal-magnetic technology, the EGB24040 features a rated current of 40 Amps and a holding current of up to 630 Amps. It operates efficiently with two poles and requires two spaces for

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5.0

EX75T3HFCU

This transformer is rated for a 75 kVA operational power and features two tap-offs at 2.25% FCAN for voltage adjustment. The device utilizes natural convection for cooling and has a temperature rise o

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5.0

QO12436M200TFT

This load center, part of the Square D series, accommodates 24 spaces and includes feed-thru lugs as well as a ground bar. It is constructed for wall mounting and rated for one-phase operation with an

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4.5

QO142M225RB

This Square D load center supports a 225 A main breaker capacity and offers 42 slots for circuit breakers, with no allowance for tandem breakers. Designed as a single-phase, three-wire system, it oper

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5.0

S48612

This rod interlock kit is designed for Y frames and features a minimum tightening torque of 3 Nm, with a maximum torque of 15 Nm. It has an IP20 protection class and is rated NEMA 1. This model operat

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4.5

9021GCW1

This automation pressure switch is constructed from durable industrial-grade metal and maintains an ingress protection rating of IP65. It can function in temperature variations from -25°C to +70°C, ac

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4.5
Showing 621-630 of 732 results