ABB S203-C2 2A 3-Pole 480 V Circuit Breaker

The ABB S203-C2 2A 3-Pole 480 V Circuit Breaker delivers precise, reliable protection for three-phase electrical systems. With a dedicated 2 A current rating and a robust 3-pole design, it ensures balanced shutdown across all phases in 480 V environments, safeguarding equipment and maintaining system stability when faults occur.

Key specifications

• Current rating: 2 A
• Poles: 3 (three-phase protection)
• Voltage rating: up to 480 V
• Part Number: S203-C2

Why this design matters

In a three-phase setup, coordinated disconnection across all phases is essential to prevent phase imbalance, motor singling, and secondary faults. The ABB S203-C2 does exactly that, providing quick, predictable interruption of current whenever overloads or short circuits are detected. Built for industrial reliability, this breaker integrates cleanly into ABB-compatible panels and distributions systems, giving technicians a dependable protective layer for sensitive 2 A circuits in 480 V networks.

Ideal use cases

• Protection for small three-phase motors and drives in manufacturing lines operating at 480 VAC
• Control circuits and auxiliary loads within industrial panels that require a precise 2 A protection level
• HVAC and processing equipment enclosures where three-phase protection at 480 V is essential
• Panel boards and machine control cabinets built around ABB components that need consistent S203-C2 compatibility

Practical benefits and outcomes

• Targeted protection: A low 2 A rating is ideal for protecting delicate control circuits and low-current loads without nuisance tripping.
• Three-phase safety: The 3-pole design guarantees simultaneous disconnection of all phases, reducing the risk of damage from phase-to-phase faults.
• System reliability: Quick outage of faulted circuits helps minimize downtime and prolongs the life of connected equipment.
• Plug-and-play integration: Engineered to work within ABB ecosystems and compatible distribution configurations, streamlining installation and maintenance.

Installation and compatibility

When using the ABB S203-C2 2A 3-Pole 480 V Circuit Breaker, verify that your panel or enclosure is designed for 3-pole devices and that the system voltage aligns with the 480 V rating. Always follow electrical codes and the manufacturer’s installation instructions to ensure proper torque, wiring, and terminations. This breaker is specifically suited for deployments where a 2 A, three-phase protective device is the right fit for the circuit’s electrical demand.

Maintenance and best practices

For consistent performance, inspect connections for tightness and signs of wear during routine maintenance. If faults or abnormal tripping occur, review load profiles and confirm that the protected circuit’s current draw remains within the intended 2 A range. Keeping spare S203-C2 units on hand can reduce downtime when replacements are required after a fault event.

In summary, the ABB S203-C2 2A 3-Pole 480 V Circuit Breaker is a purpose-built solution for protecting three-phase systems at 480 V with a precise 2 A rating. Its three-pole design ensures balanced protection across all phases, delivering dependable safety for motors, drives, and control circuits in industrial settings.