<p data-start="252" data-end="599">The SUN-STS500L is a high-performance Static Transfer Switch (STS) designed for Deye energy storage systems. It ensures fast and reliable switching between grid, diesel generator, and load in under 10 milliseconds, offering seamless operation for hybrid energy systems. As a key component of the system architecture, the STS Module guarantees power continuity, protects against grid disturbances, and supports stable energy transition.</p>
<h3 id="key-features-">Key Features:</h3>
<ul>
<li data-start="1096" data-end="1273">
<p data-start="638" data-end="775"><strong data-start="638" data-end="667">Ultra-Fast Transfer Time:</strong><br data-start="667" data-end="670" /> Switches between power sources in less than 10&#8239;ms, ensuring uninterrupted power supply to critical loads.</p>
<p data-start="777" data-end="915"><strong data-start="777" data-end="801">High Power Capacity:</strong><br data-start="801" data-end="804" /> Supports up to 500&#8239;kW (650&#8239;kW peak), with independent full-capacity paths for grid, diesel generator, and load.</p>
<p data-start="917" data-end="1098"><strong data-start="917" data-end="951">Integrated Protection Systems:</strong><br data-start="951" data-end="954" /> Provides overcurrent, overvoltage, short-circuit, earth-fault detection, insulation monitoring, and surge protection according to IEC standards.</p>
<p data-start="1100" data-end="1249"><strong data-start="1100" data-end="1130">Advanced Safety Functions:</strong><br data-start="1130" data-end="1133" /> Built-in arc-fault circuit interrupter (optional), islanding protection, DC polarity and residual current detection.</p>
<p data-start="1251" data-end="1378"><strong data-start="1251" data-end="1283">Scalable Parallel Operation:</strong><br data-start="1283" data-end="1286" /> Allows multiple STS units to be used in parallel, expanding system flexibility and capacity.</p>
<p data-start="1380" data-end="1519"><strong data-start="1380" data-end="1398">Rugged Design:</strong><br data-start="1398" data-end="1401" /> Reliable performance under harsh conditions: wide temperature range, high humidity tolerance, and intelligent cooling.</p>
<p data-start="1521" data-end="1661"><strong data-start="1521" data-end="1542">Easy Integration:</strong><br data-start="1542" data-end="1545" /> Ideal for use with Deye&#8217;s PCS and battery systems, offering direct interface for seamless communication and control.<br /><br /></p>
</li>
</ul>
<p><img src="https://syd-green-energy.com/files/images/syd-solar-mood-017.jpg" alt="SYD Green Energy - Solar systems and accessories from the experts" style="width: 100%;" /></p>