Bussmann BB3P100M12 Eaton Series 12-Pin Class J Comb Busbar, 100 A, 600 Vac/dcThe Bussmann BB3P100M12 is an Eaton series modular comb busbar engineered for fast, reliable multi-circuit power distribution wherever Class J fuse blocks are installed. This 12-pin comb bus bar is rated 100 A and 600 Vac/dc, and its non-indicating design links multiple fuse holder positions on a single busbar so an installer can feed several circuits from one incoming source without running individual jumper wires between blocks. The result is a cleaner panel layout, fewer connection points, and faster assembly on the bench or in the field. Compact and RoHS compliant, this comb busbar is built to support demanding commercial and industrial power distribution layouts where Class J protection is specified.Key Features12-Pin Configuration: Modular comb bus bar design links 12 fuse block positions on one busbar for streamlined multi-circuit distribution and simplified panel wiring.100 A Rating: Rated for 100 A continuous current, matching the ampacity needs of Class J fuse block circuits it is designed to feed.600 Vac/dc Rating: Dual AC and DC voltage rating up to 600 volts gives this comb busbar flexibility across both alternating-current and direct-current power distribution systems.Class J Compatibility: Purpose-built for use with Class J fuse holders and fuse blocks, keeping the busbar and its fuse protection matched to the same series.Non-Indicating Design: Straightforward comb busbar construction without blown-fuse indication circuitry, keeping the component simple and focused on power distribution.Compact Footprint: Measures 8.5 in wide, 1.45 in high, and .86 in deep, and weighs just .43 lb, for efficient use of space inside a panel or enclosure.Certifications & ComplianceRoHS CompliantTechnical SpecificationsCompliances: RoHS CompliantProduct Height: 1.45 inProduct Length Depth: .86 inProduct Weight: .43 lbProduct Width: 8.5 inVoltage Rating: 600 Vac, 600 VdcTypical ApplicationsClass J Fuse Block Power DistributionPanelboard and Load Center WiringMotor Control Center CircuitsCommercial and Industrial Electrical InstallationsMulti-Circuit Power Distribution PanelsOEM Panel Fabrication and Retrofit ProjectsWhy Bussmann?Bussmann by Eaton is a recognized name in circuit protection, and the BB3P100M12 comb busbar reflects that standard with a 12-pin, 100 A, 600 Vac/dc design built specifically for Class J fuse block systems. Its RoHS-compliant, non-indicating construction keeps the design straightforward while still delivering the dependable, code-compliant performance that professional electrical distribution work demands. Choosing a comb busbar matched to the Class J series helps keep panel assembly consistent and predictable for installers and panel builders alike.