ABB XT1NU3045AFF000XXX Circuit Breaker, 45A, 3-Pole, 347V

Introducing the ABB XT1NU3045AFF000XXX Circuit Breaker — a 3-pole, 45 A protective device engineered for demanding industrial electrical service, panel upgrades, and maintenance work. With a 347 V rating, it provides reliable three-phase protection for your distribution systems while standing up to the rigors of tough industrial environments.

Why this specific part matters: the XT1NU3045AFF000XXX is part of ABB's XT1N family, designed for robust performance in industrial switchgear. Because it’s a part-number-specific device, you’ll want to verify exact fit for your application by cross-checking with the panel requirements and electrical specs.

• Three-pole configuration supports balanced 3-phase circuits common in manufacturing, processing plants, and automation panels.
• 45 A current rating handles typical loads in medium-duty industrial setups while providing reliable short-circuit protection.
• 347 V voltage rating aligns with many industrial power distribution schemes, reducing the need for multiple replacements across different zones of a plant.
• Part number XT1NU3045AFF000XXX ensures precise compatibility with ABB XT1N-based panels and accessories.
• Designed for service, maintenance, and replacement projects — ideal for downtime minimization by using an exact-fit spare.

Who should consider this circuit breaker? Engineers, maintenance technicians, and panel builders who rely on ABB's XT1N platform for safety, reliability, and consistent performance in three-phase networks. It’s especially suitable for plants upgrading to more robust protection or replacing aging breakers in industrial control panels, motor control centers, or distribution boards.

Practical tips for maximizing value:

• Always confirm fit by the part number and cross-check against your application requirements (voltage, poles, current rating, and trip characteristics).
• Coordinate replacement with your protective device coordination study to maintain appropriate upstream protection levels.
• Keep this exact part on hand as a dependable spare for downtime-critical systems in manufacturing floors or data center environments with industrial power needs.

Need help matching a part number or confirming compatibility? Message us and we’ll help ensure this ABB XT1NU3045AFF000XXX is the right fit for your panel, enclosure, and wiring configuration.