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LITTELFUSE Fuse: Class K5, NLS Series, Fast-Acting, 300 A, 600 V AC, 500 V DC - Fast-Acting Blade Fuses
LITTELFUSEFast-Acting Blade Fuses

LITTELFUSE Fuse: Class K5, NLS Series, Fast-Acting, 300 A, 600 V AC, 500 V DC

The LITTELFUSE NLS Series 0NLS300.X is a Class K5 fast-acting blade fuse rated for 300 A at 600 V AC and 500 V DC. This non-indicating fuse provides overcurrent protection in industrial electrical circuits.

SKU 3G-OTH-25304

Also listed as: 0NLS300X · 0NLS300 X · 0NLS300-X

Brand
LITTELFUSE
Item
Fuse: Class K5, NLS Series, Fast-Acting, 300 A, 600 V AC, 500 V DC
Category
Fast-Acting Blade Fuses
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Local availability & support

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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

LITTELFUSE
Manufacturer Part Number
0NLS300.X
Series
NLS
Type
NLS Series, Fast-Acting, 300 A, Non-Indicating
AC
600 V
DC
500 V

Technical Documents

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

Product Description

The LITTELFUSE NLS Series 0NLS300.X is a Class K5 fast-acting blade fuse rated for 300 A at 600 V AC and 500 V DC. This non-indicating fuse provides overcurrent protection in industrial electrical circuits.

Frequently Asked Questions

What is the LITTELFUSE 0NLS300.X fuse used for?

The LITTELFUSE 0NLS300.X is a Class K5 fast-acting blade fuse used for overcurrent protection in industrial electrical circuits. It is rated for 300 A at 600 V AC and 500 V DC, making it suitable for protecting motors, transformers, and other heavy equipment in manufacturing and power distribution.

What are the specifications of the LITTELFUSE NLS Series 0NLS300.X?

The LITTELFUSE NLS Series 0NLS300.X is a fast-acting, non-indicating blade fuse rated for 300 A. It operates at 600 V AC and 500 V DC. This Class K5 fuse is designed for reliable overcurrent protection in industrial applications. The manufacturer part number is 0NLS300.X.

Where to buy the LITTELFUSE 0NLS300.X fuse worldwide?

You can source the LITTELFUSE 0NLS300.X fuse worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine LITTELFUSE components for industrial overcurrent protection needs.

How to select the right LITTELFUSE fuse for an industrial circuit?

To select the right LITTELFUSE fuse, match the voltage rating (e.g., 600 V AC) and current rating (e.g., 300 A) to your circuit requirements. For fast-acting protection, choose the NLS Series like the 0NLS300.X. Ensure the fuse class (K5) aligns with your application's interrupting capacity. Consult a qualified engineer for proper coordination.

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 blade 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

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