ABB XT4NU3100BYJ000XXX 100A 3P 600V Circuit Breaker | AmpState

Meet the ABB XT4NU3100BYJ000XXX — a 3-pole, 100 A, 600 V circuit breaker built to safeguard panelboards, load centers, and electrical distribution networks. This ABB unit is a reliable choice for retrofit projects and maintenance planning when the part number needs to stay consistent across installations, ensuring minimal disruption and smooth inventory management.

Why this model stands out

• Triple-pole protection for balanced three-phase systems: Designed to interrupt all three live conductors simultaneously, helping prevent phase-to-phase faults and providing robust protection for industrial and commercial electrical layouts.
• Exact part number compatibility for retrofits: XT4NU3100BYJ000XXX is selected to align with legacy panelboards and distribution schemes, making replacements straightforward without reengineering cabinets or wiring.
• 600 V rating for broad application: Suitable for a wide range of distribution environments, from light industrial to commercial facilities, where reliable overcurrent protection is essential.
• Inventory-friendly for maintenance planning: The consistent part number supports easy ordering, stocking, and lifecycle planning, reducing downtime when replacements are needed.
• Supported by AmpState: Available through AmpState with expert assistance to confirm fit and compatibility for your specific panel or distribution system.

Specifications at a glance

• Product type: Circuit Breaker
• Amperage: 100 A
• Poles: 3
• Voltage rating: 600 V
• Part number: XT4NU3100BYJ000XXX
• Suitable for: Panelboards, load centers, and electrical distribution networks
• Availability: AmpState

Ideal use cases

• Retrofit projects where the original part number must be retained to avoid re-certification or modification of the panel system.
• Maintenance planning for facilities with ABB XT4-series protection schemes, ensuring continuity of protection without part-number drift.
• New or upgraded three-phase electrical distributions that require reliable, three-pole overcurrent protection at 100 A and up to 600 V.
• Replacement stocking for service vans or maintenance depots to minimize downtime during outages or diagnostic work.

Compatibility and expert support

If you’re unsure about fit or compatibility, AmpState is ready to help confirm this part’s suitability for your specific panelboard or distribution setup. Message us to verify the exact compatibility, discuss installation considerations, and ensure the XT4NU3100BYJ000XXX will integrate smoothly with your existing protection plan.

What this means for you

• Reliable protection with a trusted ABB design tuned for commercial and light industrial use.
• Streamlined procurement and maintenance workflows thanks to a stable, consistent part number.
• Peace of mind knowing you have a part backed by AmpState’s support network for fit confirmation and availability.