Commercial Vehicle Product Datasheet HWB12 SEALED POWER DISTRIBUTION MODULE Compact Hard-Wired PDM for 280 Style Components Specifications Overview Max Fuse Rating: 30A per circuit Max Continuous Current:130A Description The HWB12 Compact Hard-Wired Box features 12 cavities that accept 2.8mm fuse and relay components and is the perfect fit for accessory circuits and overflow circuits from your main Power Distribution module. The HWB12 can hold plug-in components including MINI fuses, MINI format circuit breakers, 4-pin single throw relays, and 5-pin double throw relays. The HWB12 features durable construction, an IP67/ IP69K rating, and a compact size. The user can customize their own circuitry utilizing direct wire-to-component connections which are crimped to the wire harness with grommets to seal the bottom of the module. Number of Cavities 12 Operating Temp: -40 to +105 °C Ingress Protection: IP67/IP69K Applications • • • • Accessory circuits Overflow circuits Main unit on small vehicles Upfitting vehicle electrical systems Web Resources Download 2D print and technical resources at: littelfuse.com/hwb12 Ordering Information Features and Benefits PART NUMBER • AssureLatch™ yellow positive-sealing latches keep the cover securely in place while allowing for fast service. PDM33002ZXM PDM33001ZXM • Accepts any MINI (280 style) fuses, circuit breakers or relays. • Compact size allows the unit to be installed in vehicles with limited space. • Ideal for accessory circuits, overflow circuits from main • IP67/IP69K sealed units can be installed virtually anywhere on the vehicle and stands up to road splash and salt spray. COVER AssureLatch™ GASKET MOUNTING BRACKET BLACK CLEAR • • • • PDM33003ZXM PDM33004ZXM • • • • • • Straight • • Straight Complete assembly includes: cover, base, gasket and TPAs TPA: Terminal Position Assurance secondary locks for wire terminals Accessories and Service Parts PART NUMBER • TPAs (terminal position assurance locks) give secondary locking protection of the wire leads, which help keeps leads securely in place. • Wires plug into the back of the unit using industrystandard Tyco MCP terminals. DESCRIPTION 8900470 Tether 868-964 Straight mounting bracket 868-068 30° angle mounting bracket 901-327 Foam insert • Tethers available to prevent loss of cover during service. • Optional foam on inside cover available; functions as relay retention insert • HWB18, HWB12 & HWB6 share the same mounting bracket so electrical system modification can be performed without bracket or sheet metal alterations. littelfuse.com 1 of 2 © 2016 Littelfuse Commercial Vehicle Products Rev: 040116 Commercial Vehicle Product Datasheet HWB12 SEALED POWER DISTRIBUTION MODULE Specifications Max Fuse Rating 30A per circuit Max Continuous Current 130A Number of Cavities 12 Recommended Mounting M6 bolt and lock washer Mounting Bracket Torque 5.5-6.5 Nm -40 °C to +105 °C Temperature Range Ingress Protection Rating IP67/IP69K Dimensions 83.2x69.6x43.6 mm Wire Sizes 0.35-2.50 mm² Mating Terminals & Seals Tyco MCP Series. Sold separately. Accessories Optional: Cover tether, 30° angle bracket Mating Terminals and Seals Compatibility Wire Size Range (mm2) Insulation Diameter (mm) FLR Materials and Finish Part Number Strip Form TE Cable Seal Part Number Cable Seal Color 0.35–0.50 1.2–1.4 1-xxx-1/1-xxx-3 968882 828904-1 Blue 0.5–1.0 1.4–2.1 1-xxx-1/1-xxx-2/1-xxx-3 968855 828904-2 Blue 1.0–2.5 2.2–3.0 1-xxx-1/1-xxx-3 968857 828905-1 White Empty Cavity — — Cable Seal Plug 828922-1 Natural Sold separately. Available from Tyco. Dimensions in millimeters 69.6±0.5 83.2±0.5 43.6±0.5 Visit Littelfuse.com for the most up-to-date product information. Littelfuse reserves the right to make product changes, without notice. Material in this document is as accurate as known at the time of publication. littelfuse.com 2 of 2 © 2016 Littelfuse Commercial Vehicle Products Rev: 040116