ABB XT4NU3175BYJ000XXX 175A 3P 600V Circuit Breaker, Bolt-On | AmpState

The ABB XT4NU3175BYJ000XXX is a bolt-on circuit breaker built for durable protection in panelboards, load centers, and electrical distribution networks. With a 175 A rating across 3 poles at 600 V, this unit is designed to deliver reliable overcurrent protection in demanding commercial and light industrial environments. Its bolt-on design simplifies retrofit projects and maintenance planning, allowing you to keep the same part number while upgrading or service-patching your system.

Key specifications

• Amperage: 175 A
• Poles: 3
• Voltage: 600 V
• Mounting: Bolt-On
• Manufacturer: ABB
• Part number: XT4NU3175BYJ000XXX
• Product type: Circuit Breaker

Ideal use cases

• Panelboards and load centers where a consistent part number is essential for ongoing maintenance and stocking.
• Retrofit projects that require replacement with exactly the same ABB model to minimize compatibility questions and downtime.
• Electrical distribution setups that demand reliable 3-pole, 175 A protection on 600 V feeders.

What makes this breaker valuable

Designed by ABB for robust isolation and interruption, the XT4NU3175BYJ000XXX delivers dependable protection across three phases, helping to safeguard downstream equipment and maintain system uptime. The bolt-on mounting reduces installation time and simplifies field upgrades, making it a practical choice for technicians managing existing installations where part-number continuity matters.

Why choose AmpState

This unit is available from AmpState, with support to verify compatibility when you’re matching a part number. Need help confirming fit? Message us and we’ll assist in validating whether XT4NU3175BYJ000XXX is the right replacement for your panel or distribution gear.

Practical installation tips

• Ensure the three-pole configuration aligns with your current distribution topology and that the 600 V rating matches your system requirements.
• Follow standard bolt-on torque specifications during mounting to secure a reliable connection and avoid vibration-induced wear.
• Keep the exact part number as a reference point in maintenance logs to streamline future replacements and ordering.