Square D EDB34090SA - 90 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Square D EDB34090SA delivers robust 3‑pole, 90A protection at 480V for panelboards and loadcenters. Built as a bolt‑on molded case circuit breaker, it’s designed to keep critical electrical circuits safe in busy commercial and light industrial environments while withstanding the vibrations and demands of everyday operation.

Why this bolt‑on breaker stands out

• Secure bolt‑on mounting: Provides a rigid, vibration‑resistant connection to the bus, reducing the risk of loose contacts and intermittent trips in busy electrical panels.
• Thermal‑magnetic trip unit: Combines precise thermal overload protection with magnetic short‑circuit protection, delivering stable, repeatable performance across varying loads and fault conditions.
• Three‑pole, 90A, 480V design: Ideal for three‑phase systems and equipment common in commercial spaces, industrial facilities, and service panels that run at higher voltages.
• OEM compatibility: Engineered to work with matching Square D OEM loadcenters and panelboards, ensuring reliable fit and predictable performance when upgrading or servicing existing installations.
• Versatile applications: A proven solution for branch circuit protection, motor circuits, HVAC feeders, and other 3‑phase distribution needs in residential, commercial, and light industrial projects.

Technical specifications at a glance

• Manufacturer: Square D
• Part Number: EDB34090SA
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 90A
• Voltage Rating: 480V
• Number of Poles: 3
• Mounting Style: Bolt‑on
• Application: Branch circuit overcurrent and short‑circuit protection

Designed to reduce maintenance headaches and downtime, this breaker provides dependable protection for your three‑phase circuits while simplifying panel maintenance and inventory management. When you’re equipping or upgrading a panelboard or loadcenter that serves commercial or light industrial equipment, the Square D EDB34090SA offers a precise, compatible solution that aligns with established electrical standards and OEM configurations.