HWA20 Series - Compact Hard-Wired Box

Series: HWA20
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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The HWA20 is a compact hard-wired fuseholder that holds up to 10 ATO fuses. The input and output connections are electronically isolated, enabling the user to customize the circuitry. Littelfuse ATO blade fuses provide a versatile fusing capability, as they are readily available in a wide range of values from 1A to 40A.

  • The compact unit measures 161 x 40 x 52mm (6.3 x 1.6 x 2.0”) and contains a high density of fuses, with total combined amperage up to 210A. Perfect for accessory circuits, overflow circuits from main power distribution module, or as a main module on smaller vehicles.
  • Unit is sealed to IP67 and is constructed from extremely durable polyamide.  These sealed units can be installed virtually anywhere on a vehicle, and stand up to roadsplash and salt spray.
  • Dovetail slots on the sides enable multiple units to be physically connected to each other, to easily expand circuit protection capacity. They can also be interlocked with Littelfuse PDMs and fuseholders such as FLEC Power Distribution Module, HWB60, HWB18, MEGA-Flex and MIDI-Flex.
  • Units are easy to connect - wires plug into the back of the unit using industry-standard Tyco sealed power terminals. The terminal position assurance locks (TPAs) give secondary locking protection of the wire leads, to aid help prevent  leads  being pulled out. TPAs snap onto the back of the unit after wires are installed, and do not interfere with the cable seals needed to ensure IP protection.

Product Literature


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Access specifications, certifications, check availability and order parts below

Catalog #Fuse TypeCurrent Rating (Continuous per Circuit) in AmpsCurrent Rating (Continuous) in AmpsIngress ProtectionNumber of CavitiesDimensionsTemperature Maximum CelsiusTemperature Minimum CelsiusMounting MethodHousingStockSamplesCompare
PDM61001ZXMATO40A210IP67201.9385 H x 1.5525 W x 6.37 L in. (161 mm)85-40Bolt DownUL94-V0CheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
PDM61001ZXM HWA20 ATO sealed fuseholder RoHS No 02/22/2018 PbFree No 02/22/2018 Yes
02/22/2018
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