ABB SU201M-K1 1A 1P 277V Circuit Breaker | AmpState

Meet the ABB SU201M-K1 1A 1P 277V Circuit Breaker — a purpose-built protection device designed for panelboards, load centers, and electrical distribution networks. It’s particularly valuable for retrofit work and maintenance planning when project traceability requires sticking to a consistent part number.

Why this breaker stands out

• Compact 1-pole protection delivering focused control for individual circuits without unnecessary bulk.
• 1 A beaker rating provides precise overcurrent protection for low-demand branch circuits.
• 277V operation tailored for commercial and industrial distribution environments where higher voltage circuits are common.
• Part number consistency (SU201M-K1) simplifies retrofit ordering, stocking, and maintenance planning by avoiding part-number drift.
• Quality from ABB a trusted name in electrical protection and panelboard reliability.

Ideal use scenarios

• Retrofit projects where preserving the exact part number accelerates procurement and installation timelines.
• Maintenance planning for panelboards and load centers that require predictable, standardized components.
• Branch circuit protection in electrical distribution setups that operate at 277V.

Specifications at a glance

• Manufacturer: ABB
• Part Number: SU201M-K1
• Product Type: Circuit Breaker
• Amperage: 1 A
• Poles: 1 Pole
• Voltage: 277V
• Availability: AmpState

If you’re unsure about fit or compatibility, AmpState is ready to help confirm the correct part for your panelboard or load center. Simply reach out, and we’ll verify that SU201M-K1 is the right match for your electrical distribution needs.