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03455LS1HX020 The Littelfuse Inc. 03455LS1HX020 is a black fuseholder knob designed for the 345 series. It features a screwdriver slot for easy operation.
Mfr Part #:

03455LS1HX020

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. 03455LS1HX020 is a black fuseholder knob designed for the 345 series. It features a screwdriver slot for easy operation.
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03455LS1HX020 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accessory Type
Body Material
Contact Resistance
For Use With
Insulation Resistance
Mounting Type
Operating Temperature
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03455LS1HX020 Description

Short technical summary and product information.

The Littelfuse Inc. 03455LS1HX020 is a black knob accessory for the 345 Series shock-safe panel mount enclosed fuse holders. This knob is constructed from durable, black glass-filled thermoplastic with a UL94V-0 rating, ensuring reliability in various environments. It is designed for use with fuseholders compatible with 3AB, 3AG, 5x20mm, and 2AG fuse sizes, offering versatility for inventory reduction.

 

The knob features a screwdriver slot for fuse extraction and incorporates an anti-tease feature to prevent accidental circuit interruption. It is designed to work with dual-purpose terminals (.187") for soldering or quick connect, as well as .187" NEMA Quick-Connect and .250" NEMA/DIN Quick-Connect terminals. The fuseholder body material is also black glass-filled thermoplastic (UL 94V0), and the hex nut is made of the same material. This accessory is suitable for panel mounting with various thickness ranges depending on the mounting style.

 

Environmental specifications include IP40 protection against solid objects greater than 1mm and IP52 protection against dust and dripping water when tilted up to 15 degrees. The operating temperature range is -40°C to +85°C. This knob is RoHS3 compliant and has an MSL of 1.

03455LS1HX020 Quick Information

Product Type: Fuse Holder Knob
Series: 345 Series
Canonical Name: Littelfuse 345 Series Shock-Safe Panel Mount Enclosed Fuse Holder Knob
Subcategory: Knob

03455LS1HX020 Compliance

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

03455LS1HX020 Features

  • Black glass-filled thermoplastic construction.
  • Screwdriver slot for fuse extraction.
  • Anti-tease feature prevents accidental interruption.
  • Compatible with multiple fuse sizes.
  • Panel mount design for flexibility.

03455LS1HX020 Applications

  • Used with 345 Series fuseholders.
  • Suitable for panel mount applications.
  • Enhances electrical shock protection.
  • Facilitates fuse replacement.
  • Ideal for 5x20mm fuse applications.

03455LS1HX020 FAQs

6 frequently asked questions generated from this part’s specifications.
What fuse sizes are compatible with this fuseholder knob?

The universal fuseholder body accepts 3AB, 3AG, 5x20mm, and 2AG fuse sizes depending on the knob selected.

What material is the Littelfuse 03455LS1HX020 knob made of?

The knob is made of grey, blue, or black glass-filled thermoplastic (UL94 V-0).

What is the operating temperature range for this fuseholder knob?

The operating temperature range is -40°C to +85°C.

What is the ingress protection rating of this fuseholder?

It has an IP40 rating, protecting against solid objects greater than 1 millimeter, and an IP52 rating, protecting against dust and dripping water when tilted up to 15 degrees.

What type of terminals are available for this fuseholder?

Three styles are available: a .187” dual purpose terminal for soldering or quick connect, a .187” terminal for NEMA Quick-Connect, and a .250” terminal for NEMA/DIN Quick-Connect.

Does this fuseholder have an anti-tease feature?

Yes, it features an anti-tease feature that eliminates circuit interruption when the knob is accidentally depressed.

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