Eaton BJ3175 - 175 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Introducing the Eaton BJ3175—175 A, 240 V, 3-Pole Plug-In Molded Case Circuit Breaker—a trusted safeguard for branch circuits in panelboards and loadcenters. Available through AmpState, this device is designed to pair perfectly with Eaton’s OEM panel ecosystems, delivering quick installation and reliable protection when it matters most.

• Fast plug-in connection: A snap-in design that streamlines installation and replacement, reducing panel downtime and labor time.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection by combining thermal delay with instantaneous magnetic tripping during short circuits.
• 3-Pole, 240V operation: Ideal for multi-wire circuits and both three-phase and single-phase configurations common in residential, commercial, and light industrial settings.
• OEM-compatible: Engineered to mount in matching Eaton loadcenters and panelboards for a seamless, reliable fit and long-term performance.
• High current rating: 175A capacity provides robust protection for larger branch circuits and service panels without compromising trip sensitivity.

Key specifications

• Manufacturer: Eaton
• Part Number: BJ3175
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 175A
• Voltage Rating: 240V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Designed for panelboards across residential, commercial, and light industrial environments, the BJ3175 excels when you need dependable 3-pole 240V protection for larger circuits, panel upgrades, or new subpanel installs. Its plug-in form factor saves time during replacements and simplifies field service, making it a practical choice for fleet maintenance or ongoing facility upgrades.

• New installations in service panels and subpanels
• Replacing aging breakers in OEM Eaton panelboards
• Expanding or upgrading circuits that require 3-pole 240V protection

Why this matters

The BJ3175’s plug-in design minimizes installation complexity while delivering the sturdy protection you expect from a molded case breaker. The thermal-magnetic trip unit ensures predictable responses across varying loads and temperatures, helping to prevent nuisance trips and unexpected outages. Built to harmonize with Eaton’s own panel hardware, it offers a cohesive, reliable solution that reduces compatibility concerns and maintenance headaches.

Practical tips

• Before installation, confirm panel compatibility with the exact Eaton loadcenter model to ensure proper fit and trip characteristics.
• Power down the panel and follow proper safety procedures when replacing an existing breaker.
• Periodically inspect the breaker and surrounding panel for signs of wear, overheating, or damage; replace if needed.
• Keep a supply of genuine BJ3175 breakers on hand for quick replacements during maintenance to minimize downtime.

About AmpState

AmpState stocks the Eaton BJ3175 175A, 240V, 3-Pole Plug-In Circuit Breaker, delivering rapid fulfillment and dependable service for installers and facilities managers who rely on genuine OEM components for safety and performance.