Square D HGL36045 45A 3P 600V Circuit Breaker | AmpState

The Square D HGL36045 45A 3P 600V Circuit Breaker from AmpState is built for everyday electrical work, delivering dependable protection in panelboards, load centers, and distribution gear. With a 3-pole design and a 45-amp rating, this device is ready to safeguard three-phase feeders in commercial and industrial settings.

• Direct compatibility with Square D HGL-series panels: designed to drop into panelboards and load centers that accept HGL devices, helping you maintain a consistent hardware footprint during upgrades or maintenance.
• 3-pole, 600V protection: suitable for interrupting faults on three-phase circuits and safeguarding distribution networks up to 600 volts.
• 45 A continuous rating: well-suited for mid-range feeders and distribution branches common in warehouses, workshops, and light manufacturing environments.
• Retrofit and maintenance friendly: keeps a fixed part number across installations, simplifying spare parts inventories and service planning.
• Supported by AmpState: readily available to align with your stocking and procurement workflows.

Ideal for electricians, facility managers, and maintenance teams tackling retrofit projects, panel refurbishments, or routine distribution protection in commercial or industrial facilities. This is the reliable, consistent replacement part that helps you maintain system integrity without surprises.

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.

Specifications

• Manufacturer: Square D
• Part Number: HGL36045
• Product Type: Circuit Breaker
• Amperage: 45 A
• Poles: 3
• Voltage: 600 V
• Availability: AmpState