Square D HJA36090YP 90A 3P 600V Circuit Breaker | AmpState

The Square D HJA36090YP 90A 3P 600V Circuit Breaker from AmpState is engineered for reliability in everyday electrical work. With a robust 90-amp rating and a 3-pole design, it delivers dependable overcurrent protection across panelboards, load centers, and broader electrical distribution systems, making it a trusted choice for commercial and light-industrial applications.

What sets this part apart is its compatibility and lifecycle predictability. The HJA36090YP uses a consistent part number that simplifies retrofit projects and maintenance planning, reducing stocking confusion and ensuring faster, more accurate replacements when service windows matter most.

Key specifications at a glance

• Amperage: 90 A
• Poles: 3
• Voltage: 600 V
• Manufacturer: Square D
• Part Number: HJA36090YP

Ideal use cases

• Retrofit work where preserving an exact part number streamlines procurement and compatibility with existing panels
• Maintenance planning for electrical distribution systems that rely on consistent Square D components
• Protection for multi-phase circuits in panelboards and load centers within commercial or light-industrial environments
• New installations that require a reliable 90A, 3-pole, 600V protection solution

Why choose this circuit breaker

• Durable, built for everyday electrical tasks with dependable trip performance
• 3-pole configuration provides coordinated protection for three-phase systems
• 600V rating expands suitability to a wide range of distribution applications
• Clear path to easy maintenance thanks to a consistent part number that reduces compatibility risk

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit. This item is readily available from AmpState, with support to ensure it meets your specific panelboard or load center requirements.

Whether you're stocking for planned maintenance, upgrading an existing installation, or sourcing a dependable 90A circuit breaker for your 3-phase distribution, the Square D HJA36090YP delivers clear, practical value. Add it to your order today to secure reliable protection for your critical electrical systems.