ABB | S3N-2P-125A | Circuit Breaker | 125A | 2-Pole | 600V | Bolt-On

ABB S3N-2P-125A Circuit Breaker is a rugged, bolt-on protection device designed for reliable overcurrent defense in a 2-pole configuration. With a 125-amp rating and a 600-volt maximum, this breaker is built to perform in demanding electrical environments.

• Amperage: 125 A
• Poles: 2-Pole
• Voltage rating: 600 V
• Mounting: Bolt-On
• Compatibility note: Confirm fit and ratings before ordering; the S3N-2P-125A part number is the best reference for compatibility.

Designed for maintenance, retrofit, and replacement projects where precise specifications matter, this ABB circuit breaker integrates smoothly into compatible panels and distribution boards that require a 2-pole, 125A protective device rated for 600V.

What sets this model apart?

• Secure bolt-on mounting delivers solid mechanical stability, improving reliability in vibration-prone or industrial settings.
• Dedicated protection for medium-to-heavy load circuits with an exact 125A capacity, aligned to typical distribution needs.
• Field-friendly design supports straightforward replacement, reducing downtime during upkeep or panel upgrades.

Use cases and applications

• Industrial control panels and machine rooms requiring 125 A protection on 600 V systems.
• Retrofits where older protective devices must be replaced with a bolt-on ABB S3N-series unit.
• New installations that demand a robust, 2-pole, 600 V breaker with secure mounting.

Practical installation tips

• Verify panel compatibility by checking the mounting footprint and the S3N family requirements before ordering.
• Tighten mounting bolts to the specified torque to maintain electrical and mechanical integrity, especially in high-vibration environments.
• Label circuits clearly with the device rating to support future service and safety compliance.