As an Amazon Associate, we earn from qualifying purchases. Home » Thomas & Betts » QB-30 QB-30 - Thomas & Betts - Molded Case Circuit Breakers Thomas & Betts . QB-30 Gallery Attributes Brand name, Manufacturer name, Manufacturer, ManufacturersThomas & Betts Extra Product NameQB-30 - Thomas & Betts - Molded Case Circuit Breakers Voltage240 moq, multiple, Phase, Poles1 MPN, SKU, Part NumberQB-30 qtyInStock0 Sub-CategoryMolded Case FamilyQB Series TypeQB Amperage30 ConnectionBolt-On ProtectionThermal Magnetic FunctionsLI - Long-Time and Instantaneous Distributor offers SellerSKUMOQIn stockMultiplePrices WidespreadQB-3011