BOM / RFQ

ABB S203U-K20

MPNS203U-K20

Mini Circuit Breaker 3 Pole K 20 Amp 240 Bcpd|ABB 3 Pole, 20 Amps Rated At 240 Vac, Ul 489 Series Miniature Circuit Breaker With Thermal-magnetic Trip Device,

$324.59Ref. price · indicative, final on quote

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ABB S203U-K20 datasheet (PDF)

Source DocumentedChannel stated on listing & quote

Condition PhotosReal unit photos / video on request

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Worldwide DispatchDHL/FedEx — transit quoted per order

Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

S203U-K20 — Specifications
Parameter	Value
Amps	20
Type	Trip Curve K
Poles	3
Mounting	DIN Rail
Volts AC	240
Breaking capacity	10 kA

Pricing & Availability

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Wholesale Ref.*

$324.59

Lead time: Contact for availability

*Sample & small orders welcome — quoted per order; a small handling charge may apply below MOQ.

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About the brand

ABB

ABB parts are sourced across every condition — factory-new current-production lines, new-old-stock, surplus, refurbished-and-bench-tested and used clean-pull units — through our independent distributor channels; each listing states its condition. Request a quote for live pricing, availability, and lead times.

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ABB Series Alternatives & Replacements

Alternative models and sibling configurations in the same ABB series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.

ABB S203U-K20

Specifications

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