ABB S201UP-K10 10A 1-Pole 277 V Circuit Breaker Potential Transformer

Meet the ABB S201UP-K10, a purpose-built 1-pole circuit breaker engineered for reliable protection in 277 V electrical environments. With a 10 A current rating, this ABB device is designed to safeguard single-phase circuits in commercial and light industrial settings, helping to prevent damage from overloads and short circuits while keeping downtime to a minimum.

Key specifications

• Brand and model: ABB S201UP-K10
• Current rating: 10 A
• Poles: 1
• Voltage rating: 277 V
• Type: Circuit breaker

Why this ABB circuit breaker stands out

The S201UP-K10 combines ABB’s proven reliability with a compact, easy-to-install form factor. It provides robust overcurrent protection for 277 V circuits, ensuring quick and predictable interruption when current levels exceed safe thresholds. Built to perform in demanding electrical environments, this breaker supports safer distribution of power to lighting systems, receptacle circuits, and other single-phase loads commonly found in commercial spaces.

Ideal use cases

• Protecting 277 V lighting and small equipment circuits in commercial buildings
• Replacement in existing ABB S201UP-series installations where 1-pole, 10 A protection is required
• New construction or renovations where compact, reliable single-pole protection is needed for 277 V distribution

Practical considerations and installation tips

• Ensure compatibility with your panelboard and mounting footprint for a seamless fit.
• Verify that the circuit you protect operates at 277 V and requires a 10 A maximum continuing current.
• Install the device per applicable electrical codes and manufacturer torque specifications for secure terminations.
• Use this breaker to isolate and protect individual 277 V circuits, reducing the risk of cascading faults in the distribution system.

For professionals designing reliable power distribution, the ABB S201UP-K10 delivers deterministic protection with a straightforward, single-pole solution. It’s a practical choice when you need precise 10 A overcurrent protection in 277 V applications, backed by ABB’s engineering quality and field compatibility.