ABB S201U-K2 2A 1P 240V Circuit Breaker | AmpState

The ABB S201U-K2 is a purpose-built, single-pole circuit breaker designed to protect 240V circuits in panelboards, load centers, and electrical distribution setups. With a compact 1P form factor and a 2 A rating, it delivers reliable overcurrent protection for everyday electrical installations, making it a dependable choice for both maintenance and new builds.

Designed to slot into existing systems without compromising electrical protection, the S201U-K2 helps electricians and facilities teams keep BOMs consistent. It’s particularly valuable for replacement projects where exact part-number compatibility matters, ensuring that your original specifications and protective devices stay aligned with the panel’s design and labeling.

Key specifications at a glance

• Amperage: 2 A
• Poles: 1
• Voltage: 240V
• Manufacturer: ABB
• Part Number: S201U-K2
• Product Type: Circuit Breaker

Ideal use cases and practical benefits

• Replacement projects: Swap in the exact S201U-K2 to preserve original protection schemes and labeling, reducing compatibility risk during upgrades or repairs.
• Spare part stocking: Maintain BOM alignment with the original part number to prevent mix-ups in critical electrical inventories.
• Panelboards and load centers: Provides targeted 240V single-pole protection for specific circuits, helping to manage overloads and maintain system reliability.
• Residential or light commercial distribution: Suitable for dedicated 240V circuits where quick and dependable tripping is essential for safety and uptime.

Why this matters: choosing the exact ABB S201U-K2 ensures that protective devices match the design intent of your panel and wiring layout, supporting accurate fault protection coordination and easier maintenance over time.

How it compares to alternate options

Compared with generic or cross-reference breakers, the S201U-K2 delivers the confidence of native compatibility with ABB’s design standards and the specific BOM alignment needed for compliant installations. It minimizes guesswork during procurement and reduces the risk of mismatched trip characteristics or mounting incompatibilities.

Installation and compatibility notes

For a smooth swap, verify that your panelboard accepts ABB S201U-K2 and that the circuit requirements align with a 2 A, 240V single-pole protection device. When in doubt about fit or compatibility with your existing equipment, AmpState offers support to confirm a precise match for your part number and application. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.

With AmpState’s availability, you can reliably source the ABB S201U-K2 when planning replacements, stocking, or BOM-compliant maintenance cycles. This is the targeted, dependable choice for keeping electrical distribution safe and aligned with original specifications.