SF3C125 | Circuit Breaker | 125A | 3-Pole | 480V | Bolt-On

When industrial reliability matters, the SF3C125 circuit breaker delivers precise overcurrent protection in a compact, bolt-on package designed for 3-pole, 480V systems. Built for maintenance, retrofit, and replacement scenarios, this unit matches exact specifications to keep your panel running smoothly without unnecessary downtime.

Key specifications at a glance

• Amperage: 125A
• Poles: 3-Pole
• Voltage: 480V
• Mounting: Bolt-On

Why this matters for your operation

In demanding industrial environments, protecting motors, transformers, and distribution circuits from overcurrents is crucial. The SF3C125 offers a precise 125A trip threshold for 3-pole configurations, guarding equipment against overloads while enabling fast, field-ready installation with its bolt-on design. This is especially valuable when you’re aligning with existing panel architectures that require SF3C-series breakers, ensuring consistent performance and predictable tripping behavior.

Ideal use cases

• Maintenance outages on distribution panels that require a like-for-like replacement
• Retrofits to upgrade legacy systems to a standard, readily available 125A, 3-pole, 480V solution
• Spare or stocking for service fleets that support industrial facilities with bolt-on breaker configurations

How it fits into your workflow

The part number SF3C125 serves as the strongest compatibility reference. Before ordering, confirm that your equipment and panel are designed to accept a 3-pole, 480V bolt-on breaker with the SF3C footprint. This ensures seamless installation, consistent protective performance, and reduced rework on site.

Practical guidance and best practices

• Use the SF3C125 as a direct fit for panels and assemblies specified for 3-pole, 480V bolt-on breakers.
• Verify the fit and ratings against your electrical drawings and panel labeling to avoid compatibility issues.
• During maintenance, plan for a safe power-down and follow standard lockout/tagout procedures before replacing breakers.

What problem this solves

It provides dependable overcurrent protection tailored to 125A circuits in 480V systems, reducing the risk of equipment damage from faults and helping facilities meet safety and reliability goals without extending downtime or complicated substitutions. By aligning with the SF3C125 specification, technicians can quickly source a compatible replacement that restores protection with minimal disruption.