<h2>Overview</h2>
<p>The <strong>Eaton Bussmann KTS-R-20</strong> is a Class RK1 fast-acting, current-limiting fuse designed for reliable overcurrent protection in industrial and commercial electrical systems. With a 20 ampere rating and 600V maximum voltage, this Limitron fuse delivers rapid response and excellent current limitation to prevent equipment damage during short-circuit events. The rejection type fuse fits both standard and rejection-style holders, making it a flexible solution for diverse circuit protection needs.</p>
<h2>Key Features</h2>
<ul>
<li><strong>Fast-Acting Protection:</strong> Fast-acting fuse helps prevent equipment damage caused by short-circuit events</cite>></li>
<li><strong>Current-Limiting Technology:</strong> Restricts let-through energy, protecting downstream components</li>
<li><strong>High Interrupting Rating:</strong> 200kA interrupting rating complies with NEC Section 110.9 for today’s large capacity systems</cite>></li>
<li><strong>Rejection Style Design:</strong> Rejection type fuse fits both standard and rejection-style holders</cite>></li>
<li><strong>UL and CSA Listed:</strong> Certified to UL Standard 248-12 and CSA C22.2 for safety and reliability</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li><strong>Current Rating:</strong> 20 Amperes</li>
<li><strong>Voltage Rating:</strong> 600 VAC</li>
<li><strong>Fuse Class:</strong> RK1</li>
<li><strong>Type:</strong> Fast-Acting, Current-Limiting</li>
<li><strong>Interrupting Rating:</strong> 200 kA at 600 VAC</li>
<li><strong>Style:</strong> Rejection Type</li>
<li><strong>Series:</strong> Limitron KTS-R</li>
<li><strong>Tube Material:</strong> Glass Melamine</li>
<li><strong>End Caps:</strong> 70/30 Brass</li>
<li><strong>Certifications:</strong> UL 248-12, CSA C22.2 No. 248-12</li>
<li><strong>Dimensions:</strong> 0.81" Dia × 5" L (20.57 × 127 mm)</li>
</ul>
<h2>Typical Applications</h2>
<p>The KTS-R-20 is particularly suited for circuits and loads with no heavy surge currents of motors, transformers, solenoids, and welders</cite>. It excels in control circuit transformers, equipment protection, and general industrial circuit applications. The fast-acting fuse helps prevent equipment damage caused by short-circuit events</cite>, making it ideal for protecting sensitive electronic equipment and reducing fault-induced damage in modern industrial control systems.</p>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>Standard and rejection-style fuse holders designed for Class RK1 fuses</li>
<li>Industrial control circuits and electrical distribution panels rated for 600V</li>
<li>Equipment with 20 ampere circuit protection requirements</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<ul>
<li>Cooper Bussmann KTS-R-20 (original part designation)</li>
<li>Other Class RK1 20A rejection-style fuses in equivalent industrial applications</li>
</ul>
<h3>Works With</h3>
<ul>
<li>Class RK1 rated fuse blocks and holders</li>
<li>Industrial electrical distribution systems and control panels</li>
<li>Control circuit protection and branch circuit protection applications</li>
<li>UL and NEC compliant electrical installations</li>
</ul>



