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Littelfuse 03420838H Panel Mount Fuse Holder

Littelfuse's 342 series panel mount enclosed fuse holders provide a secure and reliable solution for protecting electrical circuits. Designed for use with 3AG/AB fuses, these holders are electrically rated for up to 250V and 20A, making them suitable for a wide range of industrial applications. Available with straight, right-angle, or quick-connect terminals and various knob options, the 342 series offers flexibility in design and installation. Constructed with durable materials like black thermoplastic or thermoset (UL94 V-0), and featuring options for watertight seals, these fuse holders ensure long-lasting performance and protection in demanding environments. RoHS compliant for secure online purchasing.

Authorized Distributors
Source:Newark
Part No:03420838H
Stock:953
Inv Date:05-28-2026
Price: Unit price: $6.13
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Source:DigiKey
Part No:03420838H
Stock:7682
Inv Date:05-28-2026
Price: Unit price: $6.49
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Part No:03420838H
Stock:1712
Inv Date:05-29-2026
Price: Unit price: $6.18
Buy/RFQ:
Part No:03420838H
Stock:557
Inv Date:05-28-2026
Price: Unit price: $5.87
Buy/RFQ:
Part No:03420838H
Stock:0
Inv Date:05-28-2026
Price: Unit price: $2.29
Buy/RFQ:
Part No:03420838H
Stock:161
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse 03420838H Panel Mount Fuse Holder Specifications:

  • fuse_type: 3AG/AB
  • electrical_rating: 20 amperes, up to 250V
  • operating_temperature: -40ºC to +85ºC
  • dielectric_strength: 2400 volts minimum
  • mounting_torque: 15 lb.-in.
  • panel_thickness: .187” to .250”
  • material: Black thermoplastic or thermoset (UL94 V-0)
  • terminals: Tin plated (¼” Quick-Connect terminals are nickel plated)
  • hardware: Mounting nut and neoprene washer, O-rings (2) unassembled
  • agency_approvals: E14721, 7316

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Frequently Asked Questions

Where can I buy Littelfuse 03420838H?

You can click on the BUY or RFQ button to purchase 03420838H from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 03420838H?

You can download the 03420838H datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 03420838H?

Littelfuse

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