HFB3125 | Circuit Breaker | 125A | 3-Pole | 600V | Bolt-On

The HFB3125 circuit breaker is an industrial‑grade protection device designed for demanding 3‑phase power systems. With a 125A rating, a 3‑Pole configuration, and a 600V maximum, it delivers reliable overcurrent protection for maintenance, retrofit, and replacement projects where exact specifications matter. Its bolt‑on mounting provides a secure, field‑ready installation that holds up to vibration and heavy use in industrial environments.

Key specifications at a glance

• Amperage: 125A
• Poles: 3‑Pole
• Voltage rating: 600V
• Mounting: Bolt‑On
• Reference: Best compatibility reference is the part number HFB3125

Why this design stands out for your system

• Precise compatibility: When replacing or retrofitting, match your setup to the HFB3125’s 125A, 3‑pole, 600V bolt‑on profile to ensure a seamless fit.
• Reliable 3‑phase protection: The three poles align with typical 3‑phase distributions, delivering balanced protection across all conductors.
• Durable, field‑ready mounting: Bolt‑on installation minimizes loosening and simplifies future maintenance or swaps in service panels and industrial enclosures.

Ideal use cases

• Maintenance replacements in existing 3‑phase panels where the HFB3125 spec matches the original device.
• Retrofit projects upgrading legacy setups to a standardized 125A, 600V bolt‑on solution.
• Spare parts inventory for service fleets, reducing downtime by ensuring quick, accurate replacements.

Compatibility note: Confirm fit and ratings before ordering. The part number is the best reference for ensuring your enclosure, bus connections, and system voltage align with the HFB3125 specification.