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Littelfuse 03453LF1H Fuse Holder

The 03453LF1H is a shock-safe fuse holder rated for 20A and 250V, designed with a glass-filled thermoplastic construction. It features a finger grip knob with a plated copper alloy insert and dual-purpose 3/16-inch terminals suitable for both soldering and quick connect wiring. This panel-mount fuse holder in the 345-series complies with IEC standards 257 and 65 to eliminate risk of electrical shock. It is compatible with 0.25 x 1.25-inch fuses. The black-colored, low-profile body supports a maximum panel thickness of 0.31 inches and can withstand mounting torque up to 15 lb-in. Its operation range is from -40°C to 85°C, making it suitable for various safety-critical applications.

Authorized Distributors
Source:Newark
Part No:03453LF1H
Stock:433
Inv Date:05-28-2026
Price: Unit price: $6.28
Buy/RFQ:
Source:DigiKey
Part No:03453LF1H
Stock:0
Inv Date:05-28-2026
Price: Unit price: $6.65
Buy/RFQ:
Part No:03453LF1H
Stock:0
Inv Date:05-29-2026
Price: Unit price: $6.62
Buy/RFQ:
Part No:03453LF1H
Stock:217
Inv Date:05-28-2026
Price: Unit price: $6.22
Buy/RFQ:
Part No:03453LF1H
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.43
Buy/RFQ:

Littelfuse 03453LF1H Fuse Holder Specifications:

  • Current Rating: 20A
  • Voltage Rating: 250V
  • Material: Glass-filled thermoplastic
  • Connection Terminals: Dual-purpose 3/16" solder or quick connect
  • Mounting: Panel mount, maximum panel thickness 0.31 inches
  • Mounting Torque: Up to 15 lb-in
  • Temperature Range: -40°C to 85°C
  • Standards: IEC 257 and 65 compliance
  • Fuse Compatibility: 0.25 x 1.25 inches
  • Body Color: Black
  • Maximum Panel Thickness: 0.31 inches

Buy the Littelfuse Series 345 Shock-Safe Panel Mount Fuse Holder: 03453LF1H

Order the Littelfuse 03453LF1H fuse holder online today and ensure safe, reliable circuit protection with a sleek, thermoplastic design. Its dual-purpose 3/16 inch terminals for soldering and quick connect, combined with IEC compliance, make it ideal for safety-critical applications. The shock-safe feature eliminates electrical shock risks, while the support for fuse sizes up to 0.25 x 1.25 inches offers flexibility. With a maximum panel thickness of 0.31 inches and operation from -40°C to 85°C, this fuseholder provides versatile, robust performance for your electrical protection needs.

Buy Littelfuse 03453LF1H now and experience unmatched reliability and safety in fuse mounting solutions with versatile terminals and IEC compliance.

Frequently Asked Questions

Where can I buy Littelfuse 03453LF1H?

You can click on the BUY or RFQ button to purchase 03453LF1H from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 03453LF1H?

You can download the 03453LF1H datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 03453LF1H?

Littelfuse

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