Square D EGB36040 - 40 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D EGB36040 — a 40A, 600V, 3‑pole bolt‑on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short‑circuit protection in panelboards and load centers. Built to endure vibration and deliver repeatable protection, it’s a trusted choice for electrical installations where reliability matters.

• Secure bolt‑on mounting: a rigid, vibration‑resistant connection to the bus reduces movement and maintains a solid electrical interface in demanding environments.
• Thermal‑magnetic trip unit: combines thermal and magnetic sensing for stable, precise protection—triggering quickly on short circuits while minimizing nuisance trips on normal load variations.
• OEM‑compatible design: engineered to drop into matching Square D OEM load centers and panelboards, ensuring smooth integration without aftermarket guesswork.
• Versatile applications: ideal for residential, commercial, and light industrial panels where reliable protection and easy maintenance are essential.

Technical highlights

• Manufacturer: Square D
• Part Number: EGB36040
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 40A
• Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Bolt‑on
• Application: Branch circuit overcurrent and short‑circuit protection

This 3‑pole bolt‑on breaker is a strategic choice for any panel upgrade or new installation where a solid, vibration‑resistant connection matters. By aligning with OEM panelboards and loadcenters, it minimizes compatibility issues and speeds up serviceability during maintenance or replacement cycles.

Use cases and practical scenarios

• Upgrading or expanding a panelboard where additional protection for multiple circuits is required
• Replacing aging or malfunctioning breakers in residential or light commercial electrical rooms
• Installing dependable protection for circuits feeding lighting, receptacles, or small motors in commercial spaces
• Situations demanding a bolt‑on installation to ensure a secure, long‑term bus connection in vibration‑prone environments

Why this model stands out

• Strategic combination of a bolt‑on mounting system with a robust thermal‑magnetic trip mechanism delivers consistent protection performance over time.
• OEM compatibility reduces installation risk and ensures seamless operation within Square D panel ecosystems, avoiding the issues that can come from non‑matched components.
• Designed for real‑world use in homes, offices, and light industrial settings where dependable interruption protection helps prevent equipment damage and electrical fires.

Secure, reliable protection for your panelboard is just a click away. The Square D EGB36040 from AmpState combines precise trip performance with durable construction—a smart choice for safeguarding circuits while keeping maintenance straightforward and predictable.