HMC3400M | Circuit Breaker | 400A | 3-Pole | 600V

The HMC3400M is a robust industrial circuit breaker designed to protect high-demand, three-phase power systems. With a 400 A rating and a 3-pole configuration, this unit delivers reliable protection in 600 V environments, making it an ideal choice for maintenance, retrofit, and replacement projects where exact specifications matter.

Key features and benefits

• 400 A current rating: Handles heavy-duty loads and provides reliable protection for larger 3‑phase circuits.
• 3-pole design: Ensures simultaneous disconnection of all three phases for safe, coordinated shutdown when faults occur.
• 600 V voltage rating: Compatible with standard industrial power distribution in manufacturing facilities, processing lines, and other demanding environments.
• Best reference for compatibility: Part number HMC3400M simplifies sourcing and replacement decisions.

Note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility.

Applications and use cases

• Replacement in existing 600 V, 3-phase panels that require a 400 A protective device.
• Retrofit projects updating aging equipment with a reliable, industry-standard breaker.
• Maintenance scenarios where downtime must be minimized while preserving robust protection for feeders and motors.

Who benefits

• Facilities managers and maintenance teams responsible for industrial power distribution.
• Electrical contractors performing panel replacements and system retrofit work.
• Engineering teams seeking dependable protection for large 3-phase loads in demanding environments.

Why the HMC3400M matters

Choosing the HMC3400M means aligning with a proven, three-pole protective solution that keeps large industrial systems safe and running. Its 400 A rating and 600 V compatibility address common distribution needs, while the 3-pole design ensures consistent protection across all phases. When based on the clear reference of the HMC3400M part number, you reduce guesswork and accelerate procurement—getting you back to operation faster with confidence.