Square D

Square D – Electrical Protection and Power Distribution by Schneider Electric

Overview

Square D, a leading brand under Schneider Electric, is a cornerstone in the field of power distribution and electrical protection. Known for its dependable circuit breakers, panelboards, motor control equipment, and safety switches, Square D has set industry standards in North America for over 100 years. Designed for durability, ease of installation, and safety, Square D products are widely used in commercial, industrial, and residential electrical systems.

Key Product Categories from Square D

• Circuit Breakers – QO™ and Homeline® series for residential and commercial panels

• Air Circuit Breakers & MCCBs – Masterpact™ and PowerPact™ series for low-voltage protection

• Panelboards & Load Centers – NQ, NF, and QO panels for branch circuit distribution

• Motor Control Centers (MCCs) – Model 6, Model 5, and legacy Model 4 MCC buckets

• Disconnect Switches & Safety Switches – Fusible and non-fusible types in NEMA-rated enclosures

• Enclosures & Switchgear – Rugged, code-compliant enclosures for indoor and outdoor use

• Relays, Contactors, and Starters – Components for automation and industrial motor control

Popular Square D Product Lines

Industries Served

• Commercial Buildings and Institutional Facilities

• Industrial Manufacturing and Process Plants

• Data Centers and Utility Infrastructure

• Healthcare and Education Facilities

• Water and Wastewater Treatment Plants

• Residential Construction and Multi-Family Housing

Why Choose Square D

• Supported by Schneider Electric’s global innovation and engineering excellence

• Full compliance with UL, CSA, ANSI, NEMA, and industry-specific standards

• Broad product compatibility and lifecycle support for new and legacy systems

• Designed for fast installation, easy maintenance, and long-term performance

• Complete power distribution and protection solutions from a single, trusted source

Source Square D Products from Ampstate 

Ampstate  supplies an extensive range of Square D products, including circuit breakers, panelboards, MCC buckets, disconnect switches, and legacy replacement parts. Whether you're sourcing for a new build or retrofitting an existing facility, we provide expert technical support, competitive pricing, and reliable delivery.