ABB | S3N-4P-150A | Circuit Breaker | 150A | 4-Pole | 600V

Introducing the ABB S3N-4P-150A circuit breaker—the four-pole protective device built for robust, dependable power interruption in demanding industrial environments. With a 150-amp rating and a 600-volt maximum, this breaker safeguards motors, switchgear, and distribution panels from overloads and short circuits. It’s specifically well-suited for maintenance, retrofit, or replacement projects where exact specs matter.

• Amperage: 150 A
• Poles: 4-Pole
• Voltage: 600 V
• Reference: S3N-4P-150A

Compatibility and verification

Before ordering, confirm fit and ratings against your equipment. The part number S3N-4P-150A is the best reference for compatibility, ensuring you match the exact frame, configuration, and electrical specifications required by your panel or MCC.

Why choose ABB S3N-4P-150A?

Built on ABB’s proven S3N platform, this unit delivers reliable protection in standard industrial assemblies. Its 4-pole, 150A, 600V specification provides a straightforward replacement path for existing installations that specify the S3N-4P-150A, helping minimize downtime and maintain consistent protection across multi‑phase systems.

Ideal use cases

• Maintenance and retrofits on industrial panels, switchgear, and motor control centers
• Replacement in legacy systems that require a 4-pole, 150A, 600V breaker
• New installations in facilities with 600V distribution networks needing four-pole protection

Practical tips for installation and care

• Verify that your panel labeling and terminal configurations align with the S3N-4P-150A before installation.
• Engage a qualified electrician to ensure correct torque on terminals and proper operation of the trip mechanism.
• Store spares in clean, dry conditions to preserve mechanism reliability and performance over time.