ABB S201-K20 20A 1P Circuit Breaker | AmpState

The ABB S201-K20 20A 1P Circuit Breaker is a trusted, one-pole protection device designed to safeguard panelboards, load centers, and electrical distribution systems. If you’re keeping a BOM aligned to the original part number or gear in replacement projects, this S201-K20 is purpose-built to fit your needs without surprises.

Key advantages of the ABB S201-K20

• Exact form factor and rating: 1 pole, 20 A – a precise fit for standard ABB panelboards and compatible distribution setups.
• OEM compatibility for BOM consistency: Part Number S201-K20 ensures your spare stock matches the original specification, reducing the risk of mismatched protection devices.
• Straightforward sourcing: Available from AmpState, with support to confirm fit and compatibility for your specific panel or distribution system.
• Designed for replacements: Ideal for service crews performing field replacements or maintenance while keeping electrical protection aligned with existing designs.

Why these points matter in real-world projects: when a breaker fails or a preventive maintenance cycle calls for a spare, choosing the exact S201-K20 helps you avoid timing delays and installation issues. Using the correct 1P, 20A ABB breaker means you maintain expected tripping characteristics, coordination with upstream devices, and a consistent protection strategy across your installation.

Use cases and who benefits

• Replacement projects: Swap-in a compatible ABB S201-K20 to restore original protection settings without reconfiguring downstream circuits.
• Spare part stock: Keep BOM integrity intact by stocking the exact part number used in your original build, reducing the risk of incompatible breakers creeping into the fleet.
• Maintenance in panelboards and load centers: Reliable, predictable performance in commercial or light-industrial electrical distribution setups.
• Retrofits and upgrades: When upgrading distribution layouts, this breaker ensures you stay aligned with the existing protection philosophy and cataloging.

How to verify compatibility

Start with the original equipment’s part number and panelboard documentation. Confirm that your system is designed to accept a 1-pole, 20A ABB breaker labeled S201-K20. If you’re unsure, AmpState offers assistance to verify fit and compatibility so you can proceed with confidence.

What you get with AmpState

• Genuine ABB component designed for long-term reliability in electrical distribution.
• Clear part-number alignment to simplify ordering, stocking, and BOM maintenance.
• Supportive customer help to confirm fit before you buy, reducing risk and accelerating procurement.

Product details at a glance

• Manufacturer: ABB
• Part Number: S201-K20
• Product Type: Circuit Breaker
• Amperage: 20 A
• Poles: 1 Pole
• Availability: From AmpState

When you need dependable circuit protection with BOM accuracy and straightforward procurement, the ABB S201-K20 20A 1P Circuit Breaker is a practical, no-surprises choice for maintaining safe, compliant electrical distributions. If you want to double-check fit for your specific installation, send us a message and we’ll help confirm compatibility before you purchase.