Square D EDB36040 is the reliable backbone for protecting branch circuits in panelboards and load centers, delivering solid performance where it matters most. With a 40-amp rating and a 600-volt capacity, this 3-pole bolt-on molded case circuit breaker is built to handle everyday demand in residential, commercial, and light industrial environments. Why this breaker stands out
- Secure bolt-on mounting for a rigid, vibration-resistant bus connection that stays put through everyday operation and brief equipment disturbances.
- Thermal-magnetic trip unit combines overload protection with fast short-circuit response, delivering stable, repeatable protection across a variety of loads.
- OEM-ready compatibility designed to fit seamlessly with matching Square D OEM load centers and panelboards, reducing installation guesswork and ensuring reliable performance.
- Three-pole, 600V design ideal for three-phase circuits, simplifying protection for panelboards and distribution systems in commercial or light industrial settings. What problems this breaker solves
- Protects wiring and devices from damaging overcurrents and short circuits, helping prevent nuisance trips and equipment damage.
- Provides a robust, durable connection in panel assemblies where vibration and movement are common, thanks to its bolt-on construction.
- Ensures system-wide protection consistency by using a thermal-magnetic mechanism that responds predictably to varying loads and fault conditions. Ideal applications and use cases
- New installations or upgrades in residential control panels, commercial electrical rooms, and light industrial distribution panels.
- Circuits that require reliable three-phase protection up to 600V, where a compact yet sturdy molded case breaker is preferred.
- Retrofit projects that demand exact compatibility with Square D OEM panels to maintain certified protection schemes. How it compares to other options
- When reliability and bus connection integrity are critical, a bolt-on design reduces movement compared to other mounting styles, maintaining a cleaner, more durable electrical path.
- The integrated thermal-magnetic trip unit provides a straightforward protection strategy for a range of loads, without needing additional accessories or controls. Practical tips for deployment
- Match the amperage and voltage rating (40A, 600V) to your specific circuit requirements and ensure the panelboard is compatible with this EDB36040 model.
- Use in applications that benefit from clean, secure mounting and predictable trip behavior in environments with regular vibration or movement.
- For best results, pair this breaker with the corresponding OEM load centers and panelboards specified by Square D to preserve protection alignment and warranty considerations. The Square D EDB36040 is a purpose-built component for dependable branch circuit protection in suitable panelboards and load centers. As a trusted solution from Square D, it brings proven design and consistent performance to your electrical distribution, backed by AmpState’s availability for fast fulfillment. If you’re configuring a 3-phase distribution or upgrading a 40A circuit, this bolt-on molded case breaker offers a straightforward, reliable path to safer, more resilient electrical systems.