Littelfuse, Inc.
Littelfuse, Inc.

Littelfuse, Inc.

  • 8755 W Higgins Road
  • Chicago, IL 60631
  • (800) 832-3273

Product Data

FUS 600V T/D CLASS J 150A INDICATING
Part#: JTD150ID
FUS 600V T/D CLASS J 150A INDICATING
FUS 600V F/A CLASS J 40A
Part#: JLS040
FUS 600V F/A CLASS J 40A
FUS 600V F/A MIDGET 12A
Part#: KLK012
FUS 600V F/A MIDGET 12A
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Catalogs

Smart eCat Product Catalog INDUSTRIAL CIRCUIT PROTECTION CATALOG

INDUSTRIAL CIRCUIT PROTECTION CATALOG

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Videos

How to Properly Protect a BESS Power Circuit from Overcurrents
Littelfuse, Inc.

How to Properly Protect a BESS Power Circuit from Overcurrents

Overcurrents can cause extensive damage in a battery energy storage system as well as costly downtime. That is why circuit protection is imperative. Circuit protection fuses have many advantages including easy installation and replacement, low watt loss and a compact size. But, sizing fuses accurately is challenging. Littelfuse provides the formulas to calculate fuse sizes for maximum protection, reliability and cost-effectiveness.
Prevent Electrical Shock In Commercial and Industrial Applications
Littelfuse, Inc.

Prevent Electrical Shock In Commercial and Industrial Applications

Shock Block stops the problem before it happens by interrupting circuit faults before shock occurs instead of simply mitigating electrical shock.

Shock Block is the most comprehensive UL 943C listed GFCI on the market. Other workaround product combinations are inadequate when it comes to meeting code requirements or, more importantly, protecting human life.

Products

Littelfuse Launches Its Most Compact Arc-Flash Relay for Tight Spaces

Littelfuse Launches Its Most Compact Arc-Flash Relay for Tight Spaces

The AF0025 Series is a cost-effective arc-flash protection solution for OEM applications. With a depth of only 1.82” (46.23 mm), this compact relay significantly reduces arc-fault damage in AC and DC compartments by detecting the light from an arc-flash and rapidly providing a trip signal.

Press Releases

Littelfuse Launches Its Class J Fuse Disconnect Switch

Product combines switch and fuses to simplify operation and protection while saving space

CHICAGO, October 4, 2023 — Littelfuse, Inc., (NASDAQ: LFUS), a diversified, industrial technology manufacturing company empowering a sustainable, connected, and safer world, has launched its Class J Fuse Disconnect Switch.
Littelfuse High-Speed Fuses
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