The Schneider SR2E121FU is a reversing contactor, also known as a motor starter, which is used to start and stop electric motors. It is rated for 10 HP at 240 Volts, with a 600V, 50/60Hz rating. It features a Thermal Overload Relay (TOR), screw-type terminals, and a 3-pole design. The contactor body is made of reinforced thermoplastic with a reinforced base, making it a highly durable and long lasting product. The contactor also features a force-guided system that ensures contacts open and close securely and reliably.