Westinghouse | RLM3125 | Circuit Breaker | 125A | 3-Pole | 600V | Bolt-On

The Westinghouse RLM3125 is a robust 3-pole circuit breaker designed for 125A service in 600V systems. With a bolt-on design, it provides secure, field-ready installation in compatible panels, making it a practical choice for upgrades and replacements.

Whether you’re performing maintenance, planning a retrofit, or replacing a failed unit, this RLM3125 model delivers dependable protection with a familiar form factor. The part number itself serves as the most reliable reference for compatibility, helping you confirm you’re choosing the right breaker for your panel.

Key specifications

• Amperage: 125 A
• Poles: 3-Pole
• Voltage: 600 V
• Mounting: Bolt-On
• Part number: RLM3125

Use cases and installation scenarios

• Maintenance: replace a worn or tripped circuit breaker in a three-phase 600V distribution setup
• Retrofit: upgrade legacy panels to a 125A, 3-pole solution to accommodate new load demands
• Replacement: quick substitute in compatible Westinghouse or same-series enclosures to maintain serviceability

Why choose this Westinghouse breaker

The RLM3125 blends trusted Westinghouse reliability with a bolt-on mounting approach that simplifies installation and servicing in busy electrical rooms. With a 125A rating and a 3-pole configuration for three-phase protection, it’s well-suited for medium-load commercial or light-industrial applications up to 600V.

Compatibility note: Confirm fit and ratings before ordering. The part number is the best reference to ensure the breaker matches your panel and system requirements.