ABB XT4NU3150AY8000XXX 150A 3P 600V Circuit Breaker | AmpState

Meet the ABB XT4NU3150AY8000XXX, a purpose-built circuit breaker designed for dependable protection in panelboards, load centers, and electrical distribution systems. With a 150A rating, 3-pole configuration, and a 600V maximum voltage, it delivers reliable performance for everyday electrical work while keeping your installations safe and compliant.

Key features and benefits

• OEM BOM-aligned replacement — The XT4NU3150AY8000XXX is the exact part number you need to preserve the original bill of materials, making replacements straightforward and reducing wiring or configuration changes.
• Three-pole protection — Suitable for balanced three-phase systems, simplifying protection coordination across all three phases.
• High-current capability — A 150 A rating provides robust protection for feeders and distribution circuits without compromising system uptime.
• Voltage endorsement — Designed for up to 600V, making it appropriate for typical commercial and light industrial distribution environments.
• Everyday reliability — Built for routine installation and service work, supporting replacement projects and routine maintenance with minimal disruption.
• Procurement support — Available from AmpState, with compatibility guidance to help you confirm fit for your specific panelboard or load center.

Ideal applications and use cases

• Replacing aging or failed breakers in panelboards and distribution boards while maintaining OEM specifications.
• Stocking a spare that matches your original BOM, ensuring quick, accurate replacements during maintenance windows.
• Projects that require a compatible ABB component to sustain system integrity and design intent.
• Facilities with three-phase feeders where precise 150A protection and 600V operation are required.

Compatibility and support

The ABB XT4NU3150AY8000XXX is purposefully designed to align with ABB’s XT4NU series and related distribution equipment. If you’re unsure about fit, AmpState can assist with compatibility checks to confirm the part will drop into your panelboard or load center without invasive changes. Keeping the original part number in service helps streamline maintenance and future upgrades.

Availability and procurement

Available from AmpState, the XT4NU3150AY8000XXX provides a dependable path to maintain your electrical distribution with authentic ABB protection. When in doubt, reach out for guidance on fit and installation considerations to ensure a smooth, code-compliant upgrade or replacement.