Square D EDB24040 - 40 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Square D EDB24040 is a 40A, 480V, 2-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for reliability in residential, commercial, and light industrial environments, this unit offers a secure mounting system and precise protective performance that electricians can trust.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing movement that can lead to loose contacts or nuisance trips in demanding installations.
• Thermal-magnetic trip unit pairs a thermal element for stable overload protection with a magnetic element for rapid response to short circuits, delivering repeatable protection behavior under real-world load conditions.
• 2-pole design ensures simultaneous disconnection of both conductors for enhanced safety and reliable protection of 240/480V circuits common in panelboards and load centers.
• OEM-compatible with matching Square D load centers and panelboards, enabling straightforward replacement or retrofit without compatibility concerns.
• Versatile application suited for residential, commercial, and light industrial electrical systems that require robust branch-circuit protection at 40A.
• Spec-driven performance – 40A amperage rating, 480V voltage rating, molded case construction, and a proven thermal-magnetic protection profile from Square D.

Why choose the EDB24040 for your project? If you’re upgrading a panelboard or load center, this bolt-on breaker offers a secure, vibration-resistant connection and a precise trip curve that minimizes nuisance trips while delivering consistent protection against overcurrents and short circuits. Its 2-pole configuration is ideal for shared neutral or multi-wire branch circuits in higher-voltage applications, and its OEM compatibility means you can maintain system integrity without unnecessary modifications.

Use cases include replacing a worn or failed 2-pole breaker in a 480V panel, adding a dedicated 40A protective device for motors or HVAC-related circuits, or performing a reliable retrofit in commercial or light industrial electrical installations. With its durable construction and purpose-built design, the Square D EDB24040 helps you maintain safety, reliability, and code-compliant protection across your electrical distribution system.