Part identity and sourcing posture
The ABB S273-K4 is a DIN-rail-mount circuit breaker in the Circuit Breakers, Fuses & Protection category, subcategory Din Rail Mount Circuit Breakers.

ABB S273-K4, DIN Rail Mount Circuit Breaker, 0.41 kg, current production.
| Parameter | Value |
|---|---|
| Weight | 0.41 kgs |
The ABB S273-K4 is a DIN-rail-mount circuit breaker in the Circuit Breakers, Fuses & Protection category, subcategory Din Rail Mount Circuit Breakers.
Submit an RFQ through this listing. Pricing and stock are confirmed at quote time through independent distribution channels; no real-time figures are published here.
The listed part number is S273-K4, as shown on the component label and documentation.
The listed weight is 0.41 kgs, suitable for shipping and panel fill calculations.
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.
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