HFJ434150 | Circuit Breaker | 150A | 3-Pole | 480V | Bolt-On

HFJ434150 is an industrial circuit breaker engineered for robust, reliable overcurrent protection in three‑phase 480V power systems. This bolt‑on unit is ready for service in maintenance, retrofit, and replacement projects where exact specs matter and downtime matters even more.

Key specifications

• Amperage: 150A
• Poles: 3‑Pole
• Voltage: 480V
• Mounting: Bolt‑On
• Reference: Part number HFJ434150

Why this breaker stands out

When your goal is to protect a 3‑phase 480V distribution network, HFJ434150 delivers a straightforward, field‑friendly solution. The bolt‑on design means technicians can perform rapid exchanges in compatible panels, reducing downtime and keeping critical systems online. With a clearly defined 150A rating and three poles, it provides synchronized protection across all phases, helping prevent unbalanced faults that can strain motors and downstream equipment.

Ideal use cases

• Maintenance and service where existing panels require a like‑for‑like 150A, 3‑pole, 480V bolt‑on breaker
• Retrofit projects upgrading older distribution gear to standardized 3‑phase protection
• Replacement scenarios in industrial facilities with three‑phase 480V equipment that demand quick, reliable isolation and protection

Compatibility and fit guidance

Notes state: confirm fit and ratings before ordering. The part number HFJ434150 is the most reliable reference for compatibility—cross‑check with your panel model, bus configuration, and mounting provisions to ensure a seamless match.

Practical tips for installation and use

• Always power down and lock out/tag out equipment before servicing breakers.
• Verify the panel’s documentation to confirm that a 3‑pole, bolt‑on 480V unit is appropriate for the specific circuit topology.
• Follow panel manufacturer torque and mounting guidelines to ensure a secure, trouble‑free connection.
• Keep a spare HFJ434150 on hand for planned maintenance or unexpected replacement needs to minimize downtime.

Designed for technicians who value precise compatibility, dependable protection, and serviceability in demanding industrial environments, HFJ434150 is the practical choice when upgrading or maintaining three‑phase 480V installations. If you’re aligning with a specific panel or distribution scheme, use the part number HFJ434150 as your definitive reference to verify fit and ratings before purchase.