CentriLink 300 plug-in gives you a reliable connection while helping to extend the operational flexibility of your ESP systems. Designed for durability, the CentriLink 300 plug-in features a #6 MLE cable in a 4-kV configuration and is rated for ambient temperatures up to 350°F (177°C). The plug-in has internal features similar to the DuraPLUS system. And its motor head features a curved insulation block with pressed-in terminals.