Westinghouse | NB31200FS | Circuit Breaker | 1200A | 3-Pole | 600V | Bolt-On

Meet the Westinghouse NB31200FS circuit breaker—a purpose-built, high-current protection solution for demanding 3-phase systems. With a 1200A rating, a 3-pole configuration, and bolt-on mounting, this unit is engineered to deliver reliable performance in industrial panels, retrofit projects, and replacement scenarios where exact specifications matter.

Key specifications at a glance

• Amperage: 1200 A
• Poles: 3-Pole
• Voltage: 600 V
• Mounting: Bolt-On
• Part number: NB31200FS

Why this breaker stands out

Designed for installations where precision matters, the NB31200FS provides robust protection for three-phase circuits while offering a straightforward bolt-on installation. This isn't just a component—it's a strategic upgrade that supports:

• Maintenance and serviceability for large electrical panels
• Retrofits that require exact compatibility with existing bus layouts
• Replacements that preserve system protection without altering downstream wiring or downstream devices

Ideal use cases

• Industrial facilities upgrading switchgear or refurbishing high-current panels
• OEM replacement projects where the NB31200FS matches the original specifications
• Maintenance tasks on three-phase equipment that demands a reliable, high-current interrupting device

Compatibility and installation notes

Important: Always confirm fit and ratings before ordering. The part number NB31200FS is the best reference for compatibility with your panel, bus arrangement, and mounting footprint. If you’re replacing an older Westinghouse unit or aligning a new installation with existing 3-phase 600V infrastructure, ensure the breaker’s amperage, voltage, and bolt-on mounting align with your panel’s requirements.

Practical benefits you’ll notice

• Aligned with three-phase protection needs, helping keep all phases in balance and reducing the risk of unexpected downtime.
• Bolt-on design offers secure, durable mounting in panels designed for this mounting method, simplifying field upgrades.
• High-current capability (1200A) supports heavy machinery, motors, and feeders, enabling safe, scalable power distribution.

Who should consider this Westinghouse breaker?

Engineers, maintenance technicians, and procurement teams working on large industrial panels, motor control centers, or retrofit projects will appreciate the NB31200FS for its precise specifications, credible brand heritage, and clear reference point for compatibility. It’s a concrete, dependable choice when you need real-world protection for demanding 600V, three-phase applications.