ABB S201-K1 1A 1P 480V Circuit Breaker | AmpState

ABB S201-K1 1A 1P 480V Circuit Breaker from AmpState is a purpose-built protective device designed for panelboards, load centers, and electrical distribution systems. With a 1-amp, 1-pole rating and a 480V operating capacity, this ABB component delivers reliable overcurrent protection for critical circuits in commercial and industrial environments. It's also ideal for replacement projects and stocking spares to keep your bill of materials (BOM) aligned with the original part number.

Key specifications

• Manufacturer: ABB
• Part number: S201-K1
• Type: Circuit Breaker
• Amperage: 1 A
• Pole: 1 Pole
• Voltage: 480 V
• Applications: Panelboards, load centers, and electrical distribution
• Availability: AmpState
• Use case: Replacement or spare to maintain BOM alignment with the original part number

Why this matters

Choosing a genuine ABB S201-K1 ensures consistent performance and compatibility with your existing equipment. By stocking the exact part number, you preserve BOM integrity during routine maintenance, repairs, or planned upgrades, reducing the risk of mismatched components and unexpected downtime. The 480V rating makes it suitable for medium-voltage distribution duties found in many facilities, while the 1A, 1P configuration is ideal for protecting individual feeders without unnecessary complexity.

Ideal use cases

• Replacing a worn or failed circuit breaker in panelboards and load centers that originally used S201-K1
• Maintaining BOM consistency across service inventories and OEM spares
• Upgrading or servicing electrical distribution panels where a straightforward, single-pole protection solution is required
• OEMs and distributors needing authentic ABB parts to support field installations

Compatibility & support

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit. Our team can verify whether the S201-K1 aligns with your specific panel or distribution setup and advise on mounting and electrical compatibility to ensure a smooth, reliable installation.

Availability: AmpState. Part number: S201-K1. Manufacturer: ABB. If you’re stocking for maintenance or outfitting new builds, this is the dependable, authentic choice that keeps your electrical distribution running with confidence.