ABB XT5HQ340AEFF000XXX Circuit Breaker, 400A, 3-Pole, 600V

The ABB XT5HQ340AEFF000XXX circuit breaker is built for demanding industrial electrical service, delivering reliable protection for three-phase feeders in manufacturing plants, processing facilities, and large-scale installations. Designed for maintenance, replacement, and new-build projects, this 3-pole unit helps keep critical equipment safe and downtime to a minimum. Ideal for professionals who need certainty in fit and performance, this part is anchored by a simple truth: compatibility starts with the exact part number. Use XT5HQ340AEFF000XXX to confirm that this breaker matches your panel, enclosure, and application requirements. If you’re unsure, a quick message for expert assistance can prevent compatibility gaps before installation. Key advantages you’ll notice in daily use: - Three-pole, three-phase protection that aligns with standard industrial power distribution - Robust 400 A rating suitable for large motor loads, feeders, and heavy-duty circuits - 600 V voltage capability appropriate for common industrial power networks - Trusted ABB engineering ensures dependable operation in harsh environments and over long service life - Clear part-number traceability to simplify maintenance, replacements, and audits Technical snapshot:

• Manufacturer: ABB
• Part Number: XT5HQ340AEFF000XXX
• Product Type: Circuit Breaker
• Amperage: 400 A
• Poles: 3
• Voltage: 600 V

Who should consider this breaker: - Facilities managers overseeing multi-line manufacturing floors with three-phase loads - Electrical contractors handling panel upgrades, retrofits, or replacement projects - Maintenance teams needing dependable devices that minimize unplanned outages Use cases and scenarios: - Protecting large motors and conveyors in an assembly line - Securing three-phase feeders feeding critical equipment in a packaging plant - Replacing aging breakers in industrial switchgear where a 400 A, 3-pole, 600 V device is required Compatibility and support: - Verify fit strictly by part number XT5HQ340AEFF000XXX and assess against your application requirements - If you need help matching a part number or confirming compatibility, message us and we’ll help ensure a correct, plug-in replacement In practice, this ABB XT5HQ340AEFF000XXX circuit breaker is a precise, reliable choice for serious industrial power protection. Its combination of high current capacity, three-pole three-phase configuration, and 600 V readiness makes it a solid, future-proof option for sustaining production uptime and safeguarding equipment.