<h2>Overview</h2>
<p>The <strong>Littelfuse FLNR-1-1/8</strong> is a Class RK5 time-delay cartridge fuse designed for general-purpose circuit protection. Each box contains 10 fuses with an ampere rating of 1.125A and voltage rating of 250V. The dual-element construction provides coordinated short-circuit and overload protection, making it ideal for applications requiring reliable fuse performance without nuisance trips.</p>
<h2>Key Features</h2>
<ul>
<li>Dual-element time-delay (SLO-BLO) design minimizes nuisance blowing</li>
<li>Class RK5 classification for coordination and protection standards</li>
<li>10,000A interrupting rating at 250VAC</li>
<li>Cartridge-style construction for standard fuse holders</li>
<li>Suitable for control circuits, transformers, and motor circuits</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li><strong>Ampere Rating:</strong> 1.125A (1-1/8A)</li>
<li><strong>Voltage Rating:</strong> 250V AC</li>
<li><strong>Fuse Class:</strong> RK5</li>
<li><strong>Type:</strong> Time-Delay (SLO-BLO)</li>
<li><strong>Interrupting Rating:</strong> 10,000A @ 250VAC</li>
<li><strong>Package:</strong> Box of 10 Fuses</li>
</ul>
<h2>Typical Applications</h2>
<p>The FLNR-1-1/8 fuse is commonly used in:</p>
<ul>
<li>Control circuit transformers requiring time-delay protection</li>
<li>Solenoid and contactor circuits with inrush currents</li>
<li>Small motor supplemental protection</li>
<li>Industrial automation and HVAC control panels</li>
<li>General-purpose electrical equipment and machinery</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>Standard RK5 cartridge fuse holders and clips</li>
<li>Industrial control panels rated 250V AC</li>
<li>General-purpose electrical distribution equipment</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<ul>
<li>Bussmann FRN-R-1-1/8 (functionally equivalent Class RK5 time-delay fuse)</li>
</ul>
<h3>Works With</h3>
<ul>
<li>RK5 Class fuse standards and coordination systems</li>
<li>Standard UL 248 fuse applications</li>
<li>Electrical panels and distribution equipment designed for 250V operation</li>
</ul>
