Square D EDB36045 - 45 A, 3-Pole Bolt-On Circuit Breaker | AmpState

The Square D EDB36045 is a 45A, 3-pole bolt-on molded case circuit breaker engineered to deliver dependable branch circuit protection in panelboards and loadcenters. Built for consistent performance in environments that experience vibration and movement, this breaker helps you keep critical electrical systems safe and reliable from the first switch flip to years of service.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection for steady electrical contact and reduced arcing potential.
• Thermal-magnetic trip unit delivers stable, repeatable protection—fast response to short circuits and well-timed trips for overloads to minimize downtime and equipment damage.
• 3-pole design suitable for 3-phase circuits, expanding compatibility in commercial and light industrial layouts.
• OEM-compatible pairing with matching load centers and panelboards ensures a seamless fit and consistent protection characteristics.
• Versatile application suited for residential, commercial, and light industrial installations where reliable overcurrent and short-circuit protection is essential.

Technical snapshot

• Manufacturer: Square D
• Part Number: EDB36045
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 45A
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why choose a bolt-on, molded case breaker like the Square D EDB36045? The robust bolt-on mounting reduces movement-related wear and ensures a dependable connection to the bus, which is crucial in panels subjected to vibration or frequent door openings. The thermal-magnetic trip mechanism provides precise, predictable protection—instantaneous trip during a short circuit and controlled response during overloads—helping protect feeders, wiring, and downstream equipment.

Ideal for professionals upgrading or expanding panelboards in multifamily buildings, small to mid-size commercial spaces, or light industrial setups, the EDB36045 offers a reliable, compatible solution where 3-pole protection and 45A rating are required. When you select this Square D breaker, you’re choosing a proven component designed to integrate with matching OEM panels, delivering consistent performance and straightforward serviceability.

For best results, pair the Square D EDB36045 with compatible OEM load centers and panelboards to maintain the intended protection characteristics and system coordination. This part is a practical, durable choice for ensuring safety and continuity across your electrical distribution.