Overview Product Description 207722 New-No Box; ABB S403U-K20 Circuit Breaker; 20A; 3P; 240Vac; . Item is New; unused; no factory packaging. Austin Surplus SKU: 207722 Location: 171816-GRG-R07-P13-S04-F-0001127 Product Videos Custom Field MPN S403U-K20 Product Reviews