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Power Distribution
LITTELFUSE HARD WIRED POWER DISTRIBUTION MODULES
A range of sizes. Hard-wired boxes are available to accommodate from 6 (HWB6) to 60 (HWB60-AL) mini (2.8 mm) plug-in circuit protection components. Compact design. Unlike earlier PDM designs that must be enclosed in a sealed box to prevent dirt or water intrusion, HWBs are small enough to be installed virtually anywhere the flow of electrical power must be protected or controlled - whether in or on a vehicle or a piece of equipment. For example, the HWB6 measures just 70.9 mm x 64.3 mm x 36.4 mm. Positive-sealing latches. Each unit (except HWB18) has two AssureLatch yellow positive-sealing latches that open easily to remove the cover for component replacement. Every year, electrification requirements for commercial vehicles keep increasing and growing more complex, with many designs outgrowing their primary PDMs. To bridge the gap between these PDMs and inline fuse holders, Littelfuse developed the hard-wired box series as a compact solution. With a simplified design to accommodate various accessories for overflow circuits, hard-wired boxes are perfect for consolidating wiring. Best-in-class sealing. All five sizes are waterproof (not just weather proof like some competing products) to protect the components inside from corrosion due to road splash, salt spray, and dust intrusion. The HWB6, HWB12, HWB18 and HWB60 have ingress protection ratings of IP67 (total protection from dust and temporary protection from liquid immersion) and IP69K (proven to resist ingress of high temperature and pressure wash). Accommodation for a varied mix of circuit protection components. The HWB6 can accommodate up to 6 MINI (280 style) fuses or circuit breakers. The HWB12 and HWB18 can handle MINI fuses, mini circuit breakers, 4-pin single throw relays, and 5-pin double throw relays. The HBW60-AL can accept any combination of MINI fuses, relays, and circuit breakers saving time and the cost of future replacement.
Stock No. Littelfuse No. Cover Notes
45985 PDM32003ZXM Clear with TPAs and bracket 45978 PDM32004ZXM Black with TPAs and bracket Accepts MINI fuses
68A
Stock No. 45985
HWB6 Series 6-Way MINI Power Distribution Center HWA20 Series 10-Way ATO Style Mini Power Distribution Center
Stock No. Littelfuse No. Description
45981 PDM61001ZXM 10-Way body Accepts ATO fuses
Cavity Plug
Stock No. 39028
(TE No. 828905-1)
TERMINALS & SEALS FOR LITTELFUSE HWB
Tyco MCP Terminals & Cable Seals
Stock No. 39027 Stock No. 30099 Stock No. 37901
Stock No. TE No. Wire Ga.
37900 929822 20-18 38291 927835-2 16-14 37901 1241962-1 14-12 37902 1241963 12-10
Timer Receptacle Contacts For HWA20
Stock No. TE No. Wire Ga. Color
37903 963244-1 20-14 White 37904 967011-1 12-10 Green 38292 963245-1 12 Yellow Works with Littelfuse HWB series on page 170
Stock No. 37904
Standard Power Timer Cable Seals For HWA20
221F (105C) -40F (-40C)
Wire Ga. Terminal Stock No. TE No. Cable Seal Stock No. TE No.
20-16 30098 1-968855-1 39027 828904-1 14-12 30099 1-968857-1 39028 828905-1 Works with Littelfuse HWB series on page 170
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