Fire Trucks

A firetruck drives out on a call

Don’t Get Burned When Selecting Electronic Components

Electronic devices needed by fire trucks include dc motor controls for pumps and ladders, solenoids for emergency lights, and ESD protection to ensure clear radio communications. Littelfuse provides those products and others, and we partner with OEMs to design custom solutions.

Fire Trucks Related Products

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ATO

Product SeriesUCB

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Rocker Switches

Product Series58312

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Manual Battery Disconnect Switches

Product SeriesTR

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  • Maximum continuous current of 500 A per circuit with two 4/0 input and two 4/0 output cables
  • IP67 and IPX9K waterproof and dustproof ratings enable mounting in exposed locations on the vehicle
  • Drop-in replacement for competitive master disconnect switches when you need higher vibration (8 G) and shock (30 G) capabilities
  • Drop-in replacement for competitive master disconnect switches when you need higher vibration (8 G) and shock (30 G) capabilities
  • Available with a black, yellow, or red knob
  • Four tin-plated copper M12 x 25 mm terminal studs
  • Two holes for M8 or 5/16" mounting

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In-line Fuse Holders

Product SeriesATO-MINI-Sealed-Fuse-Holders

Features

  • Tinned Copper wire provides increased corrosion resistance without losing desired performance
  • Rated IP67 with sealed cover for moisture & dust resistance
  • Includes two 8"" Red GXL wire leads for easy in-line installation

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Product SeriesLX

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  • Multi-fuse holder protects up to 4 high-amperage and 6 low-amperage circuits (30-200A MIDI® fuses and 1-40A ATO® fuses)
  • Compact 6.5" x 5" x 2" 10-way fuse box eliminates battery-box clutter, saves space, and reduces overall system costs
  • AssureLatch™ technology seals unit to an IP59K rating, protecting fuses against road splash and high-pressure, high-temperature wash fluid
  • Model 880094 provides one fused input feeding the unit and other fuses, while model 880089 has an unfused input feeding the fuse circuits
  • Ignition protected to SAE J1171 and ISO 8846 for installation in a battery box or on vehicles carrying hazardous loads
  • Provides a collection point for negative returns
  • Tethered cover prevents loss during servicing
  • Storage is provided for an included ATO® fuse puller, spare fuses (sold separately), and attachment screws (not included)

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Bolt-Down Fuses - Automotive Aftermarket

Product SeriesMEGA

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Blade Fuses/Shunts - Automotive Aftermarket

Product SeriesATO

Features

  • Fast-acting
  • Available with ampere ratings of 1 A to 40 A
  • Operate at up to 125 ○C
  • Interrupting ratings of 1 kA at 32 V dc
  • PA66 housings with UL flammability ratings of V-2
  • Tin-plated zinc alloy terminals
  • Net weight 1.4 g 5 % per fuse
  • Comply with SAE J1284 and ISO 8820-3 and CSA Certified (File No. 29862)
  • UL Listed (File AU 1410)
  • Certified lead-free and RoHS compliant

Benefits

  • Color-coding indicates ampere rating
  • See-through housings make it easier to see when fuses blow
  • High-contrast ampere rating stamps aid identification
  • Depending on use, ATO fuses can replace fuses with the same ratings from the ATOF® series and ATO Silver series


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Blade Fuses/Shunts - Automotive Aftermarket

Product SeriesMINI

Features

  • Fast-acting
  • Available with ampere ratings of 2 A to 30 A
  • Interrupting ratings of 1 kA at 32 V dc
  • Operate at up to 125 °C
  • Tin-plated zinc alloy terminals
  • PA66 housing with UL flammability ratings of V-2
  • Net weight 0.57 g ±5 % per fuse
  • Comply with SAE J2077 and ISO 8820-3
  • UL Listed
  • Certified lead-free and RoHS compliant

Benefits

  • Color coding indicates ampere rating
  • See-through housings make it easier to see when fuses blow
  • High-contrast ampere rating stamps on housings aid identification


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MIDI

Product Series498

Features

  • Available with ampere ratings of 30 A to 200 A
  • Interrupting rating of 2 kA at 32 V dc
  • Tin-plated copper terminals
  • Clear covers with UL 94 flammability ratings of HB on 30 A to 100 A fuses
  • Black housings with UL 94 flammability ratings of V-0
  • 40 A to 100 A fuses comply with UL 248-1 as Special Purpose Fuses (UL file E71611) and Directive 2011/65/EU
  • M5 (4.5 Nm ±1 Nm) and M6 (6 Nm ±1 Nm) mounting holes
  • Certified lead-free and RoHS compliant

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  • Color-coded ampere labels aid identification
  • Clear covers make it easier to see when fuses blow
  • Available with one or two mounting holes

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Product SeriesHWB60_AL

Features

  • 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
  • Elimination of internal bussing allows the user to customize the circuitry with direct wire-to-component connections
  • IP67/IP69K or IP68/IP69K sealed waterproof power distribution block stands up to road splash and can be installed nearly anywhere on the vehicle
  • AssureLatch™ positive-sealing latches keep the cover securely in place while allowing for fast service
  • Terminal position assurance (TPA) locks help prevent disconnection of wires due to vibration and accidental snagging
  • Dovetail features enables expansion with multiple HWB60 or HWB60-AL units or other compatible interlocking PDMs and fuse holders
  • Available with high-temperature Gore vent that allows pressure to be released to maintain IP ratings at higher temperatures
  • Thermoplastic base and cover with a UL 94 V-0 flammability rating

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Product SeriesAlarms

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Product SeriesLED Pilot Lights

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Busbars & Terminal Blocks

Product SeriesM-42X - Terminal Blocks

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Standard High-Current Relays

Product SeriesContinuous Duty SPST

Features

  • Configurations with 6 V, 12 V, 24 V, or 36 V coil ratings are available
  • Models are available with a 65 A, 85 A, 110 A, or 200 A continuous current rating for handling high current loads
  • Insulated and grounded options allow you to match the requirements of your application
  • SPST or latched SPST circuitry, depending on the model
  • Large 5/16"-24 copper power studs and small #10-32 steel coil studs (for the control circuit) are heavy and durable
  • Plated steel housing with PVC-coated options available for applications requiring a sealed solenoid to withstand moisture and dust to an IP66 rating
  • Potted interior on select models offers vibration resistance

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FlexMod Electronic Modules

Product SeriesFlexMod Voltage Sensing Relay and Timer

Features

  • Compact unit mounts anywhere on a vehicle and is waterproof, dustproof, and vibration-proof to IP67 standards
  • Controls two outputs and monitors voltage and time on both to prevent auxiliary loads from draining the battery and prioritize of load-shedding
  • Simultaneous time and voltage sensing preserves starting power even when the battery charge is low, which reduces need for jumpstarts
  • 10A rating means it can handle many loads directly or drive a relay or solenoid for higher amperage
  • Unit is autoranging - senses 12V or 24V systems.
  • Unit can be used with factory-programmed presets or programmed by users

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Fire Trucks Resources

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