Cutler-Hammer HACR350 - 50A, 480VAC, 3-Pole, Circuit Breaker

Cutler-Hammer HACR350 is a rugged 50A, 480VAC, 3-Pole circuit breaker designed to protect demanding industrial, commercial, and OEM power systems. Built for dependable overcurrent protection, this unit fits seamlessly into panelboards, switchboards, and motor control centers, helping you prevent damage from faults while keeping equipment and personnel safe.

Three-phase reliability matters in today’s factories and facilities. The HACR350’s 3-Pole configuration protects all three phases together, ensuring balanced protection across your entire 3-phase circuit. With a 480VAC rating, it aligns with standard industrial distribution and motor circuits, delivering timely interruption when overloads or short circuits occur.

• Current rating: 50A
• Voltage rating: 480VAC
• Poles: 3-Pole
• Type: Circuit Breaker
• Applications: panelboards, switchboards, motor control centers

Why this 3-Pole breaker stands out

In three-phase systems, protecting all conductors is essential. The HACR350 provides synchronized disconnection across all phases, reducing the risk of phase imbalance and protecting motors, drives, and other load equipment from damage during faults. Built to endure busy electrical rooms, it offers robust performance in environments where uptime and safety are critical.

Ideal use cases

• Upgrading or retrofitting distribution panels in manufacturing lines and processing facilities
• Motor control centers in conveyors, pumps, and industrial equipment
• Commercial HVAC and other three-phase systems where reliable overcurrent protection is required
• OEM equipment enclosures and control panels needing a dependable, ready-to-install protection device

Practical guidance for integration

• Ensure your panelboard or switchboard is rated for up to 480VAC and supports a 3-Pole configuration.
• Verify enclosure space and mounting compatibility with standard three-pole breaker footprints.
• Install in accordance with local electrical codes and manufacturer installation guidelines to maintain safe operation and warranty eligibility.

For projects requiring consistent, phase-wide protection in 3-phase systems, the Cutler-Hammer HACR350 delivers precise, reliable performance. It’s a practical, durable choice for modern power distribution—helping you protect equipment, improve safety, and minimize downtime in every application from factory floors to OEM builds.