The Siemens RCN31 contactor is a 4-pole switching device designed for use with 110 to 120 VAC power at 50 or 60 Hz. It supports a 10-amp load and features three normally open contacts along with one normally closed contact, making it versatile for various control applications. Equipped with screw terminals and designed for easy DIN rail mounting, this contactor offers a reliable and straightforward installation process. You can find the Siemens RCN31 contactor conveniently available through BSP Automation, ensuring you have access to quality industrial components.