Hyundai UAN25B3A 2500A 3 Pole Air Circuit Breaker for Low Voltage Power Distribution Systems

Designed for demanding low-voltage power distribution, the Hyundai UAN25B3A is a heavy-duty 2500A, 3-pole air circuit breaker engineered to protect and switch large electrical networks in industrial and commercial facilities. With its robust 2500A rating and a three-pole configuration, it delivers balanced protection across all phases while enabling reliable operation under load.

Key specifications at a glance:

• Model / Part Number: UAN25B3A
• Current Rating: 2500A
• Poles: 3-Pole
• Breaker Type: Air Circuit Breaker
• Designed for main incoming feeders, switchboards, and critical power distribution where precise coordination is essential
• Adjustable trip settings to tailor protection to your specific network and load profile
• High interruption capacity to safely clear faults and minimize fault energy in high-load environments

Why the Hyundai UAN25B3A stands out

• Purpose-built for main incoming feeders and switchboards, providing dependable protection where uptime matters most
• Adjustable trip settings give you granular control over protection coordination, helping to reduce nuisance trips without compromising safety
• High interruption capacity ensures reliable fault clearing in large low-voltage distribution systems
• Three-pole design delivers synchronized protection across all phases in three-phase power networks

Ideal for these environments

• Industrial facilities with heavy electrical loads and high fault-current potential
• Large commercial buildings requiring robust, reliable low-voltage protection
• Power distribution boards and main switchgear where dependable interruption performance is critical

Use cases and outcomes

• Protect critical equipment and minimize downtime by quickly interrupting faults in high-load circuits
• Coordinate protection schemes across feeders and switchgear to optimize safety and restore times
• Ensure consistent performance in environments where voltage stability and protection accuracy are non-negotiable

Practical insights for installation and operation

The UAN25B3A is purposefully suited for integration into low-voltage distribution networks that demand both reliability and configurability. When integrating into your system, align trip settings with your protection philosophy to achieve optimal selectivity and fast fault clearance. Regular coordination reviews with upstream and downstream protective devices help maintain precise protection thresholds as system loads evolve.

In short, the Hyundai UAN25B3A 2500A 3-Pole Air Circuit Breaker provides fierce protection for main feeders and switchboards in industrial and commercial settings, combining adjustable trip capability with a high interruption rating to keep power flowing where it matters most.