Hyundai HGN20A3C 2000A 3-Pole Air Circuit Breaker For Industrial Power Distribution

Hyundai HGN20A3C is a heavy-duty 2000A, 3-pole air circuit breaker designed to deliver dependable protection and reliable switching for low‑voltage power distribution across industrial and commercial facilities. Built for main incoming feeders and switchboards, this device excels at safeguarding critical loads while enabling precise protection coordination.

Key advantages that set the HGN20A3C apart:

• Three‑phase precision: 3‑pole configuration provides balanced protection across all phases, reducing the risk of uneven fault current and ensuring stable system operation.
• High current capability: With a 2000A rating, it handles large feeder currents and substantial fault conditions without compromising performance or safety.
• Adjustable trip settings: Fine‑tune protection to match your system’s coordination strategy, helping minimize nuisance trips while preserving critical services.
• Robust air‑type design: Air circuit breakers offer reliable interruption performance, straightforward maintenance, and long‑term durability in demanding environments.
• Ideal for key power paths: Specifically suited for main incoming feeders, switchboards, and critical distribution segments where fast isolation and dependable protection matter most.

Ideal use cases

The HGN20A3C is purpose-built for applications where reliability and scalability are essential. It’s an excellent fit for:

• Industrial facilities with heavy machinery and high inrush currents
• Large commercial complexes that require robust main feeder protection
• Data centers and critical infrastructure where predictable fault response is crucial
• New panel builds or retrofit projects needing proven protection for low‑voltage switchgear

How it supports safer, smarter power distribution

By combining a high interrupting capacity with adjustable trip coordination, the HGN20A3C helps you isolate faults quickly while keeping non‑faulted circuits online. This translates to less downtime, protected equipment, and safer work environments for operators and maintenance crews.

Specifications at a glance

• Model / Part Number: HGN20A3C
• Current Rating: 2000A
• Poles: 3‑Pole
• Breaker Type: Air Circuit Breaker
• Applications: Main incoming feeders, switchboards, and critical low‑voltage power distribution
• Protection Features: High interruption capacity with adjustable trip settings for coordinated protection

Practical installation and care tips

• Ensure proper enclosure, wiring torque, and busbar connections to maintain reliable performance.
• Plan trip setting adjustments in consultation with system protection designs to achieve optimal coordination.
• Schedule regular inspections for clean contacts and mounting integrity, especially in harsh industrial environments.
• Pair with compatible protective devices and panel configurations to maximize system uptime and fault clarity.

Choose the Hyundai HGN20A3C when you need a scalable, durable solution for protecting large low‑voltage power distribution paths. It combines proven Hyundai build quality with the flexibility of adjustable protection and robust interruption capabilities, making it a dependable backbone for demanding industrial and commercial electrical systems.