HWB18 SERIES
58 V 100 A Hard-Wired Waterproof DC Power Distribution Box
for MINI® Fuses, Circuit Breakers & Relays
Specifications
Max Voltage Rating Continuous: 58VDC
Max Voltage Rating
58VDC
Max Total Continuous Current:
100A @23°C
70A @ 85°C
PDM31001ZXM
Operating Temp Range:
Ingress Protection:
Input Terminals:
Fuse Type:
-40C to + 105°C
IP67 IP69K
Aptiv Delphi Metri-Pack 280 Series
MINI Fuse
Description
Applications
Ideal for use as the main unit on small vehicles or for accessory
circuits and overflow circuits from your main power distribution
module (PDM), the compact HWB18 Hard-Wired Waterproof
DC Power Distribution Box accepts MINI® fuses, MINI® circuit
breakers, MCASE™ fuses (adapter required; sold separately),
4-pin single-pole, single-throw (SPST) relays, and 5-pin single-
pole, double-throw (SPDT) relays.
• WorkTrucks and Specialty
Equipment
• Oil and Gas Drilling
Equipment
• Emergency Vehicles
• Marine Vehicles and
Equipment
• Construction Site Support
Equipment
Features and Benefits
This hard-wired PDM allows you to customize your own
circuitry utilizing direct wire-to-component connections which
are crimped to the wire harness with grommets to seal the
bottom of the module. Terminal position assurance (TPA) locks
offer secondary protection to keep the wires in place. The
HWB18 series uses Delphi Metri-Pack 280 terminals, cable
seals, and cavity plugs (sold separately).
• Holds nine MINI® fuses or a combination of MINI® fuses,
MINI® circuit breakers, MCASE™ fuses (adapter required; sold
separately), 4-pin single-pole, single-throw (SPST) relays, and 5-pin
single-pole, double-throw (SPDT) relays
• Maximum total continuous current rating of 100 A @ 23 °C and 70
A @ 85 °C
• Black cover is sealed with a gasket to an IP67/IP69K rating to
deliver a waterproof power distribution box that's safeguarded
from dust, moisture, and debris
Featuring a black cover with a gasket, this dust-tight,
waterproof power distribution box carries an IP67/IP69K rating,
and it features latches that keep the cover securely in place.
The base and cover accept a tether (873-680; not included) that
helps prevent loss of the cover during service.
• Available withTPAs to help prevent disconnection of wires due to
vibration and accidental snagging
• Optional foam pad available on the inside of the cover for relay
retention
Web Resources
Download 2D print, installation guide and technical resources
• Thermoplastic base and cover with a UL 94 V-0 flammability rating
at: littelfuse.com/HWB18
• UL certification means it can be used as a component in material
handling and electric-battery-powered industrial truck applications
with confidence that it meets the requirements of UL 583
standards
Ordering Information
MOUNTING
PART NUMBER
PDM31001ZXM
PDM31002ZXM
PDM31003ZXM
DESCRIPTION
HOUSING
MOUNTING METHOD
HOLE
Nine-Component MINI® Hard-Wired Waterproof
Power Distribution Box with TPAs & Bracket
Nine-Component MINI® Hard-Wired Waterproof
Power Distribution Box with TPAs
Black Thermoplastic
Black Thermoplastic
Black Thermoplastic
ø6.2
Mounting Bracket, Use M6 Bolt And Lock Washer
Mounting Bracket (868-066 Type, Not Included)
Mounting Bracket (868-066 Type, Not Included)
-
-
Nine-Component MINI® Hard-Wired Waterproof
Power Distribution Box
Nine-Component MINI® Hard-Wired Waterproof
Power Distribution Box with TPAs & Foam Insert
PDM31004ZXM
868-066
Black Thermoplastic
Steel Plated
-
Mounting Bracket (868-066 Type, Not Included)
Mounting Bracket, Use M6 Bolt And Lock Washer
Mounting Bracket, Use M6 Bolt And Lock Washer
30° Metal Mounting Bracket
ø6.2
ø6.2
90° Mounting Bracket for HWB6, HWB12, and
HWB18 Hard-Wired Power Distribution Boxes
868-964
Steel Plated
868-965
873-032
875-584
883-084
901-106
901-320
Thermoplastic Base
Thermoplastic Cover
Black Thermoplastic
Black Thermoplastic
-
-
-
-
MCASE/MINI Adapter
Terminal Position Assurance (TPA) Locks
Silicone Rubber Seal
Blue Thermoplastic
Green Silicon Rubber
Red Silicon Rubber
-
-
-
-
-
-
Foam Insert for Relay Retention
Littelfuse.com
© 2023 Littelfuse, Inc.
031423-A
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