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LITTELFUSE Fuse: KLKD Series, Midget, Fast-Acting, 300 mA, 600 V AC, 600 V DC - Fast-Acting Cylindrical Fuses
LITTELFUSEFast-Acting Cylindrical Fuses

LITTELFUSE Fuse: KLKD Series, Midget, Fast-Acting, 300 mA, 600 V AC, 600 V DC

The LITTELFUSE KLKD Series is a fast-acting cylindrical fuse, specifically a midget fuse rated at 300 mA with 600 V AC and 600 V DC voltage ratings. It measures 13/32 in x 1 1/2 in and is identified by manufacturer…

SKU 3G-OTH-134021

Also listed as: KLKD300 · KLKD 300 · KLKD-300

Brand
LITTELFUSE
Item
Fuse: KLKD Series, Midget, Fast-Acting, 300 mA, 600 V AC, 600 V DC
Category
Fast-Acting Cylindrical Fuses
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

LITTELFUSE
Manufacturer Part Number
KLKD.300
Type
Midget, Fast-Acting, 300 mA, 13/32 in x 1 1/2 in
AC
600 V
DC
600 V

Technical Documents

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LITTELFUSE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LITTELFUSE KLKD Series is a fast-acting cylindrical fuse, specifically a midget fuse rated at 300 mA with 600 V AC and 600 V DC voltage ratings. It measures 13/32 in x 1 1/2 in and is identified by manufacturer part number KLKD.300.

Frequently Asked Questions

What is the LITTELFUSE KLKD.300 fuse used for?

The LITTELFUSE KLKD.300 is a fast-acting midget fuse designed to protect sensitive electronic circuits and equipment from overcurrent. It is commonly used in industrial control panels, power supplies, and instrumentation where precise, rapid response to fault currents is required at 600 V AC or DC.

What are the specifications of the LITTELFUSE KLKD.300?

The LITTELFUSE KLKD.300 is a fast-acting, midget fuse rated at 300 mA with 600 V AC and 600 V DC voltage ratings. It measures 13/32 in x 1 1/2 in and carries the manufacturer part number KLKD.300. This fuse is part of the KLKD series from LITTELFUSE.

Where to buy the LITTELFUSE KLKD.300 worldwide?

You can source the LITTELFUSE KLKD.300 fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine LITTELFUSE components to procurement teams globally.

How to select the correct LITTELFUSE KLKD fuse for an application?

To select the correct LITTELFUSE KLKD fuse, match the voltage rating (600 V AC/DC) and current rating (300 mA) to your circuit requirements. Ensure the fast-acting characteristic suits sensitive loads. Verify physical dimensions (13/32 in x 1 1/2 in) fit the holder. Consult LITTELFUSE application notes for coordination with upstream protection.

Used in

Common applications for LITTELFUSE
Power electronics protection — Littelfuse PSR Series semiconductor fuses for IGBT and diode protection in variable frequency drives.
Solar photovoltaic systems — Littelfuse SPF Series fast-acting fuses for string overcurrent protection in PV arrays.
Automotive electrical systems — Littelfuse MIDI® 498 Series bolt-on fuses for battery and alternator protection in vehicles.
Industrial control panels — Littelfuse KLKD Series midget fuses for branch circuit protection in control transformers and relays.
Motor control centers — Littelfuse BLF Series fast-acting fuses for short-circuit protection of motor starters and contactors.

LITTELFUSE Products

3G Electric supplies LITTELFUSE fast-acting cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
LITTELFUSE Fuse: KLKD Series, Midget, Fast-Acting, 250 mA, 600 V AC, 600 V DC, 13/32 in x 1 1/2 in (MPN KLKD.250)
LITTELFUSE
LITTELFUSE Fuse: KLKD Series, Midget, Fast-Acting, 250 mA, 600 V AC, 600 V DC, 13/32 in x 1 1/2 in (MPN KLKD.250)
LITTELFUSE Fuse: KLKD Series, Midget, Fast-Acting, 6 A, 600 V AC, 600 V DC, 13/32 in x 1 1/2 in (MPN KLKD006)
LITTELFUSE
LITTELFUSE Fuse: KLKD Series, Midget, Fast-Acting, 6 A, 600 V AC, 600 V DC, 13/32 in x 1 1/2 in (MPN KLKD006)
LITTELFUSE Fuse: KLK Series, Midget, Fast-Acting, 200 mA, 600 V AC, 500 V DC, 13/32 in x 1 1/2 in (MPN KLK.200)
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LITTELFUSE Fuse: KLK Series, Midget, Fast-Acting, 200 mA, 600 V AC, 500 V DC, 13/32 in x 1 1/2 in (MPN KLK.200)
LITTELFUSE Fuse: KLK Series, Midget, Fast-Acting, 100 mA, 600 V AC, 500 V DC, 13/32 in x 1 1/2 in (MPN KLK.100)
LITTELFUSE
LITTELFUSE Fuse: KLK Series, Midget, Fast-Acting, 100 mA, 600 V AC, 500 V DC, 13/32 in x 1 1/2 in (MPN KLK.100)
LITTELFUSE Fuse: KLK Series, Midget, Fast-Acting, 750 mA, 600 V AC, 500 V DC, 13/32 in x 1 1/2 in (MPN KLK.750)
LITTELFUSE
LITTELFUSE Fuse: KLK Series, Midget, Fast-Acting, 750 mA, 600 V AC, 500 V DC, 13/32 in x 1 1/2 in (MPN KLK.750)
LITTELFUSE Fuse: KLKD Series, Midget, Fast-Acting, 30 A, 600 V AC, 600 V DC, 13/32 in x 1 1/2 in (MPN KLKD030)
LITTELFUSE
LITTELFUSE Fuse: KLKD Series, Midget, Fast-Acting, 30 A, 600 V AC, 600 V DC, 13/32 in x 1 1/2 in (MPN KLKD030)

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LITTELFUSE Fuse: JLS Series, Class J, Cylindrical Body, Fast-Acting, 3 A, 600 V AC, Non-Indicating (MPN JLS003)
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LITTELFUSE Fuse: KLK Series, Midget, Fast-Acting, 250 mA, 600 V AC, 500 V DC, 13/32 in x 1 1/2 in (MPN KLK.250)
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LITTELFUSE Fuse: BLF Series, Midget, Fast-Acting, 20 A, 125 V AC, 13/32 in x 1 1/2 in (MPN BLF020)
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