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Samlex MRBF300 300 Amp MRBF Replacement Fuse

Manufacturer

Samlex

<h3>Samlex America: Decades of Reliable Power Conversion</h3><p>When consistent, clean power is non-negotiable — whether you're navigating open water, living off-grid, managing a commercial fleet, or keeping a remote communications network alive — <strong>Samlex America</strong> is the name engineers and enthusiasts have turned to since 1991. Headquartered in Burnaby, British Columbia, Samlex has grown into a globally recognized manufacturer of power conversion products, with a market presence spanning more than 90 countries.</p><p>What sets Samlex apart is the breadth and depth of its lineup. Rather than specializing in a single niche, Samlex designs and manufactures <a href="/7541-samlex-power-inverter-14297">power inverters</a>, <a href="/7541-samlex-inverters-200588">inverter/charger combos</a>, <a href="/7541-samlex-battery-chargers-200141">battery chargers</a>, <a href="/200973-solar-powered-chargers-samlex-7541">solar-powered chargers</a>, AC-DC power supplies, DC-DC voltage converters, transfer switches, and a full suite of accessories — all under one roof. This integrated approach means every product in the ecosystem is engineered to work seamlessly together.</p><h3>Pure Sine Wave Performance for Sensitive Electronics</h3><p>At the heart of the Samlex catalog are its DC-AC <a href="/7541-samlex-power-inverter-14297">power inverters</a>, available in both pure sine wave and modified sine wave configurations. Pure sine wave models deliver power quality that rivals utility grid output, making them ideal for powering sensitive electronics like medical equipment, variable-speed motor tools, and modern appliances without risk of interference or damage. Whether you're equipping a work truck, a recreational vehicle, or an industrial off-grid installation, there's a Samlex inverter engineered for the job.</p><h3>Smart Charging and Solar Integration</h3><p>Samlex <a href="/7541-samlex-battery-chargers-200141">battery chargers</a> employ switch-mode technology, making them highly efficient, lightweight, and quiet. They're fully automatic and compatible with flooded, AGM, and Gel Cell lead-acid batteries, with current options ranging from 15 to 80 amps — a range that covers everything from a single deep-cycle marine battery to large-scale stationary battery banks.</p><p>For those harnessing renewable energy, Samlex's <a href="/200973-solar-powered-chargers-samlex-7541">solar-powered chargers</a> and solar panel kits bring everything needed to go solar in a single package. Portable and fixed-mount options pair with Samlex solar charge controllers to regulate incoming energy, protect battery health, and maximize harvest — whether you're on a weekend camping trip or managing a permanent off-grid installation.</p><h3>Trusted Across Industries</h3><p>Samlex products are field-proven across a remarkable range of industries: RV and marine recreation, mobile fleet management, public safety communications, oil and gas, medical carts, and OEM manufacturing programs. Industry certifications and a reputation for exceptional customer support back every product in the lineup, making Samlex a dependable long-term partner for both commercial buyers and individual enthusiasts.</p>

Part Number

MRBF300
09/20/2036 7:01 AM
Sale Price

$17.20

In Stock (5)

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Usually delivered within 2 days

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Product Details

The Samlex MRBF300 is a 300-amp replacement fuse designed for high-current DC electrical systems in marine, RV, and automotive applications. This MRBF-style (MEGA/MIDI Replaced By Fuse) terminal fuse provides reliable overcurrent protection for inverters, battery banks, and other high-power electrical components.

Key Features:

  • 300-amp current rating for high-power circuit protection
  • Clear window provides visual indication of blown fuse condition
  • Color-coded design for easy amperage identification
  • MRBF terminal fuse format compatible with standard MRBF fuse holders
  • Designed for 32-volt DC systems
  • Ideal for protecting inverters, battery connections, and high-current accessories

MRBF fuses are commonly used in place of older MEGA and MIDI fuse styles, offering improved performance and reliability. The transparent housing allows for quick visual inspection to determine if the fuse has blown without requiring removal or testing equipment.

easy

That was quick, I just hope I get the CORRECT part as hassle free and in the time I paid for.

Good seller with good communication. Would buy from again.

So far so good.

Awesome

Good experience would definitely buy from again

Good

It was fast and easy ;) I cant wait for my stuff to arrive

Super fast shipping, exactly as ordered, no drama, problems or complications

I would definetly order from Autoplicity again. Fast curtious service they had just what I wanted and the prices were the best I could find.

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