ABB | S4N-3P-150A-ROTARY | Circuit Breaker | 150A | 3-Pole | 600V

ABB S4N-3P-150A-ROTARY is a rugged 3-pole circuit breaker designed to protect power distribution systems in demanding industrial environments. With a 150A rating and 600V capability, this rotary variant integrates seamlessly with ABB’s S4N family to deliver reliable protection where control simplicity and compatibility matter most.

Whether you’re performing maintenance, retrofitting an existing panel, or replacing a worn device, this part is a precise match for systems requiring the S4N-3P-150A-ROTARY configuration. Before ordering, confirm fit and ratings—the part number is the best reference for compatibility within your electrical distribution setup.

Key specifications

• Amperage: 150 A
• Poles: 3-Pole
• Voltage rating: 600 V
• Variant: Rotary

The rotary design variant is intended to fit typical ABB S4N panel configurations and aligns with existing control interfaces used in these installations, helping you preserve panel layout and wiring compatibility during an upgrade or swap.

Use cases and ideal users

• Maintenance and service replacements for 3-pole, 600V distribution circuits up to 150 A.
• Retrofit projects upgrading legacy protection devices to an ABB S4N-based solution.
• OEM replacements in equipment that rely on a rotary-type protective switch for streamlined operation.

Why choose this ABB variant? It’s built to ABB’s exacting protection standards and cataloged to fit the S4N family with the 3P-150A-ROTARY configuration, helping you maintain consistent coordination with existing protective devices and minimize downtime during a swap.

Practical tips for installation and care:

• Verify the exact panel or switchgear compatibility using the part number S4N-3P-150A-ROTARY as the primary reference.
• During replacement, inspect terminal torque requirements and confirm conductor sizing aligns with the 150 A rating.
• Store spare units in a dry, clean space and handle the breaker with care to prevent contact misalignment.