Square D HGA36090 - 90 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D HGA36090—a robust 90 A, 600 V, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Built for fast, hassle-free installation and reliable performance, this unit is engineered to keep your electrical system safe and operational with minimal downtime.

Why this breaker stands out

• Fast plug-in connection: Snap-in mounting enables quick installation and simple replacement, reducing service time in busy electrical environments.
• Thermal-magnetic trip unit: Combines precise overload protection with rapid short-circuit disconnection, offering stable, repeatable protection across a range of loads.
• Three-pole design for 3-phase systems: Ideal for commercial and light industrial applications that rely on balanced 3-phase power distribution.
• 600 V rating: Suitable for higher voltage branch circuits within approved panelboard ecosystems, ensuring safe operation under demanding conditions.
• OEM compatibility: Specifically designed to pair with matching Square D load centers and panelboards for reliable performance and straightforward sourcing of other components.
• Versatile application: Applicable across residential, commercial, and light industrial environments where dependable overcurrent and short-circuit protection is essential.

Technical snapshot

• Manufacturer: Square D
• Part Number: HGA36090
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 90 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases and practical insights

Use this 3-pole plug-in breaker in new or upgraded panelboards where a reliable 90 A, 600 V protection device is required. It’s well-suited for three-phase equipment and distribution blocks in small to mid-size commercial spaces, as well as light industrial environments with mixed electrical loads. When upgrading panels or replacing a worn-out breaker, the plug-in design minimizes downtime and preserves bus integrity. Pair it with compatible Square D OEM panelboards to maintain consistent protection characteristics and simplify maintenance planning.

Practical tips for best results: verify that the panelboard is rated for 600 V and that a 3-pole unit is appropriate for your circuit configuration; ensure the replacement breaker matches the OEM specifications for seamless integration; and follow local electrical codes and the panelboard manufacturer’s installation instructions during any upgrade or replacement project.

Designed for electricians who demand reliability, quick serviceability, and clear protection for critical circuits, the Square D HGA36090 is a dependable choice when you need precise thermal-magnetic protection in a plug-in MCCB format. Ready to upgrade your distribution protection? Add the HGA36090 to your cart and bring trusted Square D performance to your panelboards and load centers today.