Q: What type of device is the S271-K1?
A: It is an industrial control circuit breaker used for overcurrent protection and circuit isolation.
1 actual photo shown first. Reference images are model-matched and must be confirmed before purchase.
ABB
S271-K1
ABB
The S271-K1 is an industrial control circuit breaker designed for reliable protection of equipment and branch circuits in automation panels and machinery. Built for compact installations, it integrates into DIN-rail control assemblies where consistent trip performance and clear identification are essential. Its K1 designation aligns with the S271 series family, enabling straightforward replacement and standardized stocking. Use it in control cabinets to provide overcurrent interruption and isolation for auxiliary loads, pilot devices, or small power circuits. The breaker supports typical industrial environments and is suited for technicians needing a dependable protective device with clear part marking for maintenance. Package contents typically include the breaker only; accessories or mounting hardware depend on the panel configuration. Verify current rating, pole configuration, and trip curve against your application requirements before deployment, and ensure compatibility with existing control system standards and wiring practices.
Condition, indicative price, stock, and lead time. Confirm current availability via RFQ.
New
Never Used
Used
Actual photos when available
Nameplate, condition, and visible wear can be shared before quote when stock photos are not enough.
Test notes for used units
Power-on or function test status is stated when available, with clear condition grading.
Trackable global shipping
DHL, FedEx, UPS, or forwarder options can be quoted with packing photos and tracking details.
Clear DOA boundary
For tested units, quote terms can include 7-day DOA support unless otherwise stated.
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A: It is an industrial control circuit breaker used for overcurrent protection and circuit isolation.
A: Yes, it is designed for compact control cabinet and panel installations; confirm mounting details to ensure fit.
A: Typically the breaker only; accessories or mounting hardware may not be included.
A: Check the product label and data sheet for current rating, poles, and trip curve before installation.
A: Yes, within the S271 family; verify electrical specifications to match your application.