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Controls · Commissioning
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| Part Number | S201-K3 |
| Amperes | 3 |
| Poles | 1 |
| Voltage | 277 |
| Product Type | circuit-breaker |
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Protect critical circuits with precision using the ABB S201-K3 3A 1P 277V Circuit Breaker. This compact, reliable device is purpose-built for panelboards, load centers, and distributed electrical systems, delivering dependable protection where it matters most.
Designed for retrofit work and maintenance planning where exact part numbers matter, the S201-K3 preserves consistency across repairs and upgrades. With a 1-pole configuration and a 3 A rating at 277V AC, it’s well-suited for low-current circuits in commercial environments—think lighting control, sensors, and small feeders on 277V systems.
Who benefits from this breaker? electricians and facilities teams managing commercial or light industrial electrical systems that rely on 277V distribution. It’s ideal for projects where the exact ABB S201-K3 specification is required to maintain panel compatibility and minimize downtime during upgrades or repairs.
Why choose this ABB breaker over alternatives? it delivers the trusted ABB reliability in a compact, easy-to-install form factor, with the exact specifications you need for 277V circuits. Its specific 3 A rating provides the right level of protection for sensitive control circuits and lighting feeders, reducing nuisance trips while safeguarding valuable equipment.
If you’re unsure about fit or compatibility, send us a note. “Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.” AmpState is ready to assist with precise part-number matching and quick availability checks, ensuring you choose the right breaker for your panel and keep your electrical distribution running smoothly.
Contact sales@ampstate.com
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General feedback we often hear from customers purchasing industrial electrical parts.
Professional-grade feel. No issues reported during commissioning.
Controls · Commissioning
Arrived in good condition and helped keep our project on schedule.
Project team · Contractor
Exactly what most contractors expect from an industrial supplier.
Electrical · Commercial
Fast industrial sourcing support
Email us at sales@ampstate.com for pricing, availability, alternates, and project support.
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