Miniature, Full-size Heavy-Duty Sealed Toggle switches with multiple circuit, actuator, and terminal options.
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Indicator Lights
Commercial rectangular panel mount. Watertight.
Connectors
Sockets, Headers, D-Subminiature, Card Edge, DIP, and PCB Connectors.
Mil-Spec. and Commercial Grades available.
Keylock Switches
Single Pole and Double Pole, Momentary or Maintained, with multiple circuit and keycode options.
HWB60 Series – Hard-Wired PDM – DC Power Distribution Modules
Simple to install virtually anywhere on a vehicle, the HWB60 Series Hard-Wired Waterproof DC Power Distribution Box for MINI® Fuses, Circuit Breakers, and Relays is a compact module that’s ideal for accessory circuits or overflow circuits from a main power distribution module (PDM) or for use as a main PDM on small vehicles.
Accepting MINI® fuses, MINI® circuit breakers, MCASE™ fuses (adapter required; sold separately), diodes, and ISO 280-style relays, including four-pin single-throw relays and five-pin double-throw relays, this hard-wired PDM allows you to customize your own circuitry utilizing direct wire-to-component connections. Terminal position assurance (TPA) locks offer secondary protection to keep the wires in place. The HWB60 series uses Delphi Metri-Pack 280 terminals, cable seals, and cavity plugs (not included).
A thermoplastic cover with a gasket completes this dust-tight, waterproof power distribution box that carries an IP67/IP69K rating. An available tether (not included) helps prevent the loss of the cover during service.
Features & Benefits
- Holds 30 MINI® fuses or a combination of MINI® fuses, MINI® circuit breakers, MCASE™ fuses (adapter required; sold separately), and ISO 280 relays
- Maximum total continuous current rating of 250 A
- No internal bussing allows customization of circuitry with direct wire-to-component connections using sealed Delphi Metri-Pack Series 280 tanged terminals
- IP6Z, IP69K sealed waterproof power distribution block can be installed virtually anywhere on the vehicle and stand up to road splash and salt spray
- Terminal position assurance (TPA) locks help prevent disconnection of wires due to vibration and accidental snagging
- Dovetail feature enables circuit protection expansion with multiple HWB60 units or other compatible interlocking PDMs and fuse holders
- Thermoplastic base and cover with a UL 94 V-0 flammability rating
Applications
- Work Trucks and Specialty Equipment
- Emergency Vehicles
- Construction Site Support Equipment
- Oil and Gas Drilling Equipment
- Marine Vehicles and Equipment
Click here for a datasheet.
EPC Series – Configurable PDM – DC Power Distribution Modules
The EPC Internally Bussed Sealed Power Distribution Module (PDM) is a configurable, connectorized automotive power distribution box for main electrical system power distribution and protection in commercial vehicles.
This power distribution module has a dense concentration of high-power circuits and accepts plug-in devices, including automotive fuses, circuit breakers, diodes, and relays to protect and control complex electrical systems.
An internally mounted Printed Circuit Board (PCB) allows bussed connections to a large number of devices.
The EPC power distribution module can be built specifically to your design requirements as a special order product. Please talk to your local representative for additional details.
Feature & Benefits
- Configurable PDM accommodates plug-in devices, such as fuses, circuit breakers, diodes, and ISO 280 relays (sold separately)
- IP67/IP69K-rated sealed enclosure protects internal circuitry from harsh environmental conditions, including shock, vibration, dust, and water
- Electrical connectors support surface mount applications
- Two separate power input buses
- Tether connects the cover to the base to prevent misplacement
- Lid features five spare fuse locations
Applications
- Heavy Trucks Construction
- Agriculture
- Emergency Vehicles
- Material Handling
Click here for a datasheet.
MEGA® SN Series
The Littelfuse MEGA® SN Series 70V Bolt-Down Sealed Water-Resistant Fuse Holder is an ideal solution for high-current, in-line, main, or branch circuit protection in harsh or hazardous environments. AssureLatch™ sealed positive latching technology is used to ensure a water-resistant and ignition-protected fuse holder design. A waterproof fuse compartment inside the fuse holder assembly protects against fuse corrosion.
The base features an M6 mounting hole and an M6 mounting slot for secure attachment, and it boasts a footprint that matches similar fuse holders, which makes switching from an unsealed to a sealed fuse holder simple. A built-in tether between the fuse holder base and cover keeps the components together during servicing.
The MEGA® SN Series sealed fuse holder is available with and without preloaded MEGA® high-current bolt-down fuses.
Features & Benefits
- AssureLatch™ positive latching technology helps ensure a water-resistant and ignition-protected fuse holder
- Sealed, waterproof fuse compartment protects against fuse corrosion and allows you to use dielectric spray on cable terminals without compromising the fuse connections
- With an IP66/P69K rating, the fuse holder forms a dust-tight enclosure that protects against water ingress from high-pressure, high-temperature water jets
- Ignition protected to SAE J1171 and ISO 8846 for installation in a battery box or on vehicles carrying hazardous loads
- Stainless steel M8 hardware and tin-plated copper busbars offer long-term corrosion protection
- Shape-shut clips secure the cover in place
- Built-in tether keeps the cover connected to the base during servicing
Applications
- High-Amperage, In-Line, Main or Branch Circuit Protection in Harsh or Hazardous Environments
Click here for a datasheet.
MEGA® 298 Bolt-Down Series
The Littelfuse MEGA® 298 Bolt-Down Series High-Current Fuse Holder works with MEGA® bolt-down fuses. As a high-amp fuse holder, it’s ideal for battery and alternator connections as well as providing ultrahigh-current protection for other types of heavy gauge cables. Interlocking pins on the sides let you connect additional MEGA® 298 Bolt-Down Series fuse holders for multi-fuse applications.
The MEGA® 298 Bolt-Down Series fuse holder is offered in a wide variety of configurations. Base style options include one with M6 mounting holes and one with extended M6 mounting slots measuring 15mm long. Additionally, there are configurations available with and without fuses. The UL 94-rated cover included with each fuse holder features six available locations for openings (actual openings vary by part number).
Features & Benefits
- Compatible with MEGA® bolt-down fuses (sold separately unless indicated)
- Glass-filled thermoplastic body houses M8 or M6 input and output terminals
- Interlocking pins on the sides of the fuse holder let you connect additional MEGA® 298 Bolt-Down Series fuse holders to create a multi-fuse block
- Base styles available with M6 mounting holes or extended M6 x 15mm slots
- Included UL 94-rated protective cover has 6 available locations for openings to accommodate various cable entry needs (actual openings vary by part number)
- Configurations may also include a thermoplastic tether, insulators, ratchet fasteners, and/or mounting hardware (see part numbers for details)
Applications
- Battery and Alternator Connections
- High-Current Circuit Protection
- Body Builders
- Medium-Duty Vehicles
Click here for a datasheet.
Click here for a brochure on fuse holders.
MIDI® 498 Series
Thanks to interlocking pins on its sides, the MIDI® 498 Series 58V Bolt-Down High-Current Fuse Holder can be used as a single automotive fuse holder or combined with additional fuse holders to create a multifuse block. Compatible with MIDI® bolt-down fuses up to 200 amps, the high-amp fuse holder comes with a protective thermoplastic cover that can be tethered to the base.
The MIDI® 498 Series fuse holder is offered in a wide variety of configurations. Base style options include one with mounting tabs and one without. Plus, the protective thermoplastic cover is available with openings in different locations to accommodate cables from different directions (openings vary by part number).
Features & Benefits
- Compatible with MIDI® bolt-down fuses rated up to 200 amps (fuse sold separately)
- Glass-filled thermoplastic body withstands harsh underhood conditions
- M5 threaded studs and washers for simple fuse installation
- Interlocking pins on the sides of the fuse holder let you connect additional MIDI® 498 Series fuse holders to create a multifuse block
- Base style options include one with mounting tabs and M6 holes for outboard mounting and one without mounting tabs featuring M3 holes for inboard mounting
- Included UL 94-rated protective cover has 6 available locations for openings to accommodate various cable entry needs (actual openings vary by part number)
Applications
- High-Current Circuit Protection
Click here for a datasheet.
JCASE® FHJ Series – In-Line Cartridge
Easily install a JCASE® or Low-Profile JCASE® cartridge fuse {sold separately) using the JCASE® FHJ Series In-Line Cartridge Fuse Holder, which comes with either 10 AWG or 8 AWG wire leads.
Available for JCASE® or Low-Profile JCASE® fuses (sold separately) from 20 amps up to 40 amps or up to 60 amps, the JCASE® FHJ Series fuse holder comes configured with or without an integrated mounting bracket. Models designed for the JCASE® fuse also come with or without a cover, which offers added protection in harsh environments.
All standard versions of the JCASE® FHJ Series fuse holder come with tin-plated copper alloy contacts for reliable fuse installation.
Custom and semicustom orders of the JCASE® FHJ Series fuse holder can be produced (minimum order requirements apply). Contact your Littelfuse sales representative for details.
Features & Benefits
- Available for JCASE® and Low-Profile JCASE® cartridge fuses with ratings from 20 amps to 40 amps or up to 60 amps depending on the configuration (sold separately)
- Configurations with a built-in bracket make mounting simple
- Versions with a cover offer protection in harsh environments
- Black TPV housing with a UL 94 V-0 flammability rating
- 10 AWG or 8 AWG wire leads for easy in-line fuse holder installation
- Tin-plated copper alloy contacts help ensure reliable connections
Applications
- Accessory Circuits
- Overflow Circuits
Click here for a datasheet.
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