Cutler-Hammer 921832 Circuit Breaker, 225A, 3-Pole, 480V

The Cutler-Hammer 921832 Circuit Breaker delivers rugged, dependable overcurrent protection for demanding 3‑phase systems. Designed for industrial electrical service, maintenance tasks, and replacement projects, this 225 A, 3‑pole unit is built to stand up to tough environments where downtime costs money.

Key strengths that matter in real‑world setups:

• Exact part number compatibility: Verify fit by the part number 921832 and match it to your application requirements to ensure seamless replacement or system upgrades.
• Three-pole, 480V operation: Specifically suited for 3‑phase, 480‑volt power distribution common in manufacturing floors and large facilities.
• High-current protection: 225 A rating provides robust protection for feeders and distribution circuits feeding heavy equipment.
• Industrial-grade reliability: Built for continuous service in environments where protection and reliability are critical.

Why choose this Cutler-Hammer breaker over generic options?

• Designed for compatibility with Cutler-Hammer/Cooper Eaton ecosystems, reducing integration challenges in existing electrical panels and gear.
• Streamlined maintenance and replacement with a known, standard form factor that fits common industrial panels and switchgear configurations.
• Clear documentation and support via part-number matching and application guidance to minimize project delays.

Practical use cases and scenarios:

• Replacing a failed 3-pole breaker in a 480V, 3-phase feeder serving motors on a production line.
• Upgrading older panels that require a 225 A, 3-pole unit to maintain consistent motor protection and power distribution.
• Stocking for maintenance crews so you can swap in a like-for-like unit during planned outages, reducing downtime.

Specifications at a glance

• Part Number: 921832
• Product Type: Circuit Breaker
• Amperage: 225 A
• Poles: 3
• Voltage: 480V
• Applications: Industrial electrical service, maintenance, replacement projects

Ready to confirm compatibility or need help finding the right part number? We can assist with part-number matching and application verification to ensure this breaker is the right fit for your system. Send us a message and we’ll help you confirm compatibility quickly and confidently.