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03440024H Panel mount cartridge fuse holder rated 20A at 32V, with blown fuse indicator, solder lug terminals, and amber lens. Accepts 3AG and 3AB fuses.
Mfr Part #:

03440024H

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Panel mount cartridge fuse holder rated 20A at 32V, with blown fuse indicator, solder lug terminals, and amber lens. Accepts 3AG and 3AB fuses.
Total Stock: 1 pcs

03440024H Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1 pcs
1 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

03440024H Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Agency File Number
Ambient Temperature Range
Body Material
Contact Finish
Contact Material
Current Rating
Current Rating (Amps)
Dielectric Withstanding Voltage
For Use With
Fuse Size
Fuse Type
Fuseholder Type
Hardware Included
Indicator Lamp Current
Indicator Lamp Voltage Range
Knob Style
Lead Style
Lens Color
Lens Material
Maximum Panel Thickness
Mounting Torque
Mounting Type
Number of Circuits
Tape & Reel
Termination Style
Voltage
Voltage Rating

03440024H Description

Short technical summary and product information.

The Littelfuse 03440024H is a panel mount cartridge fuse holder from the 344 series, designed to accept 3AG and 3AB fuses. It is rated for 20 amperes at 32 volts and features a blown fuse indicator with an amber lens. The holder uses a bayonet-style knob and solder lug terminals for secure connections.

 

This fuse holder is built with a black thermoset body and knob (UL94 V-0) and a thermoplastic lens (UL94 HB). It accommodates panel thicknesses up to 0.250 inches and withstands 15 lb-in mounting torque. The operating ambient temperature range is -40°C to +85°C.

 

Electrical characteristics include a dielectric withstanding voltage exceeding 1500V. The indicator lamp is rated for 16 to 32V operation with a current draw of 0.04A. The holder accepts 3AG and 3AB cartridge fuses and is supplied with a neoprene washer, lockwasher, and hex nut for panel mounting.

 

Terminals are tin-plated copper with solder lug connections. The body and knob are thermoset (UL94 V-0), and the lens is thermoplastic (UL94 HB). The part carries UL file number E14721.

03440024H Quick Information

Product Type: Fuse Holder
Series: 344
Canonical Name: Littelfuse 03440024H 344 Series Panel Mount Cartridge Fuse Holder with Blown Fuse Indicator, 20A, 32V, Solder Lug
Subcategory: Panel Mount Cartridge Fuse Holder

03440024H Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

03440024H Features

  • Rated 20A at 32V for cartridge fuses.
  • Panel mount with solder lug terminals.
  • Blown fuse indicator with amber lens.
  • Accepts 3AG and 3AB fuse sizes.
  • UL recognized, file number E14721.

03440024H Applications

  • Panel mount circuit protection applications.
  • Overcurrent protection for 32V DC systems.
  • Industrial control and power distribution panels.
  • Automotive and marine electrical systems.

03440024H FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the Littelfuse 03440024H fuse holder?

20 amperes.

What is the voltage rating of this fuse holder?

32 volts.

What type of fuse does this holder accept?

3AG and 3AB cartridge fuses, 1/4 inch diameter by 1-1/4 inch length.

Does this fuse holder have a blown fuse indicator?

Yes, it includes a blown fuse indicator with an amber lens.

What is the mounting type and termination style?

Panel mount with solder lug terminals.

What is the operating temperature range?

-40°C to +85°C.

What agency approvals does this fuse holder have?

UL recognized with file number E14721.

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