Commercial Vehicle Product Datasheet HWB18 SEALED POWER DISTRIBUTION MODULE Compact Hard-Wired PDM for 280 Style Components Specifications Overview Max Fuse Rating: 30A per circuit Max Continuous Current:200A Number of Cavities 18 Operating Temp: -40 °C to +105 °C Ingress Protection: IP67/IP69K Applications Description • Accessory circuits • Overflow circuits • Main unit on small vehicles The HWB18 Compact Hard-Wired Box features 18 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 HWB18 can hold plug-in components including MINI fuses, MINI format circuit breakers, 4-pin single throw relays, and 5-pin double throw relays. The HWB18 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. Web Resources Download 2D print and technical resources at: littelfuse.com/hwb18 Ordering Information Features and Benefits PART NUMBER • Cover latches keep the cover sealed and securely in place. COVER BLACK CLEAR • • Accepts any mini (280 style) circuit protection component. PDM31001ZXM • Compact size allows the unit to be installed in vehicles with limited space. PDM31002ZXM • PDM31003ZXM • • Ideal for accessory circuits, overflow circuits from main or as a main module on smaller vehicles. TPA GASKET MOUNTING BRACKET • • • • 30° • Complete assembly includes: cover, base, gasket TPA: Terminal Position Assurance secondary locks for wire terminals • IP67/IP69K sealed units can be installed virtually anywhere on the vehicle and stands up to road splash and salt spray. • TPAs (terminal position assurance locks) give secondary locking protection of the wire leads, which help keeps leads securely in place. Accessories and Service Parts • Wires plug into the back of the unit using industrystandard Delphi Metri-Pack Series 280 tanged terminals. • Available with or without steel mounting bracket. Module snaps into bracket, and is held at 30° angle or 90° angle (bracket dependent) to allow easy viewing and servicing • Tethers available to prevent loss of cover during service. PART NUMBER DESCRIPTION 868-066 883-084 868-063 901-106 873-032 30° angle mounting bracket TPA Base Cover seal Cover • Optional grid on inside cover available; functions as relay retention insert • HWB18, HWB12 & HWB6 share the same mounting bracket so electrical system modification can be performed withoout bracket or sheet metal alterations. littelfuse.com 1 of 2 © 2016 Littelfuse Commercial Vehicle Products Rev: 030216 Commercial Vehicle Product Datasheet HWB18 SEALED POWER DISTRIBUTION MODULE Specifications Max Fuse Rating 30A per circuit Max Continuous Current 100A at 23 °C, 70A at 85 °C Number of Cavities 18 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 80.4x69.8x45.2 mm Wire Sizes 0.35-3.00 mm² Mating Terminals & Seals Delphi Metri-Pack 280 Sealed female (tanged) See chart below for details. Sold separately. Accessories Optional: Cover tether, mounting bracket, TPAs Mating Terminals and Seals Compatibility Cable size Terminal Cable Diameter Cable Seal 0.50-0.35 mm² 12084201 1.84-2.51 mm 12089679 / 12041351 1.00-0.80 mm² 12077411 2.03-3.12 mm 12041351 / 12015323 3.00-2.00 mm² 12129493 2.45-3.80 mm 12015323 / 12015359 Cable Plug 12010300 Sold separately. Available from Delphi. Dimensions in millimeters 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: 030216