As an Amazon Associate, we earn from qualifying purchases. Home » Crabtree » S61/B20 Crabtree Starbreaker 20A SP Type B MCB | MCBs | Screwfix.com Crabtree . S61/B20 Gallery Attributes Brand name, Manufacturer name, Manufacturer, BrandCrabtree Extra Product NameCrabtree Starbreaker 20A SP Type B MCB | MCBs | Screwfix.com moq, multiple, Pack Size, Pieces in Pack/Case1 MPN, SKU, Model NoS61/B20 qtyInStock0 Amp Rating20 A Breaking Capacity6 kA CSU DeviceMCBs Curve TypeType B Manufacturer Guarantee1 Year Guarantee Model NameStarbreaker No of PhasesSingle-Phase Number of PolesSingle Pole Power Voltage Supply230 / 400 V Product TypeMCB Distributor offers SellerSKUMOQIn stockMultiplePrices Screw FixS61/B2011