Square D EGB36090 - 90 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Square D EGB36090 is a purpose-built 90A, 600V, 3-pole bolt-on molded case circuit breaker designed to safeguard panels and distribution hubs with unwavering reliability. Built for dependable branch-circuit overcurrent and short-circuit protection, this unit is engineered to perform in residential, commercial, and light industrial environments where dependable power continuity matters.

Why this breaker stands out

• Secure bolt-on mounting—a rigid, vibration-resistant bus connection that stays tight through years of operation, even in equipment rooms with pumps, HVAC units, or heavy machinery.
• Thermal-magnetic trip unit—combines thermal overload sensing with magnetic short-circuit protection for stable, repeatable performance and fast response to dangerous faults.
• OEM-compatible design—built to pair with matching Square D OEM load centers and panelboards, ensuring proper fit, electrical characteristics, and a streamlined installation.
• Three-phase readiness—3-pole configuration at 600V supports organized distribution for three-phase systems typical in commercial and light-industrial setups.
• Versatile, rugged protection—suitable for a wide range of panelboard applications, from home-to-small business electrical rooms to light industrial equipment enclosures.

What problems it solves

• Prevents nuisance trips while reliably responding to true overloads and short circuits, protecting wiring, motors, and downstream devices.
• Delivers a durable mechanical connection in environments subject to vibration and movement, reducing maintenance and re-tightening needs.
• Ensures consistent protection in panels that require a bolt-on, molded case solution with clear compatibility to OEM panel systems.

Ideal use scenarios

• Residential electrical panels where a solid, long-term branch circuit protector is needed for critical loads.
• Commercial distribution panels powering lighting, receptacles, and small machinery in offices or retail spaces.
• Light-industrial panels supplying three-phase equipment, pumps, or HVAC components where reliable protection and robust mounting matter.

Specification snapshot

• Manufacturer: Square D
• Part Number: EGB36090
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 90A
• Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Choose the Square D EGB36090 for a proven, compatibility-focused solution that delivers solid protection, simple integration with OEM panelboards, and dependable performance across a range of residential, commercial, and light-industrial applications.