ABB S201U-Z2 Circuit Breaker, 3A, 1-Pole

ABB S201U-Z2 is a compact, dependable overcurrent protection device built for industrial electrical service, maintenance, and replacement projects. With a precise 3 A rating and a 1-Pole configuration, it safeguards a single circuit from overloads and short circuits, helping to minimize downtime and protect connected equipment.

• Manufacturer: ABB
• Part Number: S201U-Z2
• Product Type: Circuit Breaker
• Amperage: 3 A
• Poles: 1 (1-Pole)
• Applications: Industrial service, maintenance, and replacement projects
• Fit Verification: Verify compatibility by part number and application requirements

Why this 1-Pole, 3 A breaker fits your industrial needs

• Targeted protection for a single conductor in control panels, lighting circuits, or auxiliary loads within industrial equipment.
• Predictable, fast trip performance that helps prevent insulation damage and component failure on secondary circuits.
• Simplified field service with a straightforward replacement part that aligns with ABB’s standard protection specifications.

Ideal use cases

• Upgrading or replacing aging protection in existing industrial panels where a dedicated 3 A, 1-Pole device is required.
• Dedicated protection for small control circuits, sensors, or pilot relays within automated systems.
• New installations or panel refurbishments that require a compact, single-circuit breaker with a known part number for compatibility checks.

Practical guidance for installation and compatibility

Before sourcing spare parts or performing a replacement, verify fit by part number (S201U-Z2) and ensure it matches your application requirements. This ensures seamless integration with your existing ABB protection scheme and panel architecture, delivering reliable performance over time.