We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
LITTELFUSE LFR250301C Fuse Block, 1 Pole, 250 V AC, Box Lug, Non-Indicating - Fuse Blocks for UL Class RK1 & RK5 Fuses
LITTELFUSEFuse Blocks for UL Class RK1 & RK5 Fuses

LITTELFUSE LFR250301C Fuse Block, 1 Pole, 250 V AC, Box Lug, Non-Indicating

The LITTELFUSE Fuse Block is an open block design for UL Class RK1 and RK5 fuses, rated 250 V AC with 1 pole and a box lug, non-indicating terminal type (MPN LFR250301C). 3G Electric interprets your demand for this…

SKU 3G-OTH-25084

Brand
LITTELFUSE
Item
LFR250301C Fuse Block, 1 Pole, 250 V AC, Box Lug, Non-Indicating
Part Number
LFR250301C
Category
Fuse Blocks for UL Class RK1 & RK5 Fuses
Available to Order
Also known as:LFR250301CLITTELFUSE
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
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
LFR250301C
Type
Box Lug, Non-Indicating
AC
250 V
Pole
1

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The LITTELFUSE Fuse Block is an open block design for UL Class RK1 and RK5 fuses, rated 250 V AC with 1 pole and a box lug, non-indicating terminal type (MPN LFR250301C). 3G Electric interprets your demand for this specific electrical component, sourcing it from our global supply network across 14 industrial departments, with specialist depth in controls to support your application.

Frequently Asked Questions

What is the LITTELFUSE LFR250301C fuse block used for?

The LITTELFUSE LFR250301C is a 1-pole open block design fuse holder for UL Class RK1 and RK5 fuses. It is used in industrial control panels, motor protection circuits, and power distribution systems to safely mount and connect fuses rated up to 250 V AC.

What are the specifications of the LITTELFUSE LFR250301C fuse block?

The LITTELFUSE LFR250301C is a 1-pole open block design fuse block rated for 250 V AC. It features box lug terminals and is non-indicating. It accepts UL Class RK1 and RK5 fuses. The manufacturer part number is LFR250301C.

Where to buy the LITTELFUSE LFR250301C fuse block worldwide?

3G Electric supplies the LITTELFUSE LFR250301C fuse block worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the LITTELFUSE LFR250301C fuse block?

Mount the LITTELFUSE LFR250301C on a flat surface using the provided slots. Connect line and load wires to the box lug terminals, tightening to the torque specified on the block. Insert the correct UL Class RK1 or RK5 fuse. Always de-energize before installation.

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.
Not sure this is the right part? Photo-identify it

LITTELFUSE Products

3G Electric supplies LITTELFUSE fuse blocks for ul class rk1 & rk5 fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from LITTELFUSE

View all LITTELFUSE parts
Single-pole open-style fuse block rated 600 V AC with box lug terminals and non-indicating design. Accepts UL Class RK1 and RK5 fuses. Used in industrial electrical panels for overcurrent protection
LITTELFUSE
Single-pole open-style fuse block rated 600 V AC with box lug terminals and non-indicating design. Accepts UL Class RK1 and RK5 fuses. Used in industrial electrical panels for overcurrent protection

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first