HJL634300 | Circuit Breaker | 300A | 3-Pole | 600V

Introducing HJL634300, a rugged three-pole industrial circuit breaker engineered for demanding power environments. With a 300A rating and a 600V maximum system voltage, it provides reliable protection for three-phase feeders and connected equipment. This unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter.

Why choose this model

• Exact compatibility: The part number HJL634300 is the best reference for fit and ratings, minimizing guesswork in replacements.
• Three-pole, balanced protection: Simultaneous interruption of all three phases enhances safety and protects equipment from phase faults.
• 600V throughput: Suitable for standard industrial distribution systems up to 600V, matching common facility voltages.
• 300A current rating: Handles high-load scenarios typical of main feeders and sizable branch circuits without nuisance trips.
• Retrofit-ready option: Designed to slot into panels and gear that require these exact specifications, making maintenance and upgrades smoother.

Ideal use cases

• Maintenance of service panels in manufacturing facilities, warehouses, and processing plants
• Retrofit projects upgrading aging power distribution with a compliant 3-pole, 600V solution
• Replacement for legacy installations where the 300A, 3-pole, 600V spec is required

How to verify fit and order confidently

• Use the part number HJL634300 as your primary compatibility reference
• Confirm amperage (300A), number of poles (3-Pole), and system voltage (600V) against your equipment catalog
• Cross-check mounting style and panel compatibility with your panel manufacturer’s documentation

Protect your industrial power distribution with a proven, job-specific solution. Add the HJL634300 to your cart and ensure you have the exact replacement part you need for reliable, compliant operation.