Starter, FVNR, Size 4, 50-200A, 120/240VAC Coil, Open

These non-reversing NEMA motor starters with electronic overload relays connect and disconnect power to motors and other high-current equipment and machinery in a single direction. Electronic overload relays trigger motor starters to break electrical connections with downstream equipment once the current reaches a pre-determined range of full-load amperage. They have adjustable current settings and use semiconductors to monitor for overload conditions and trip once the current exceeds that set point. Electronic overload relays turn circuits on and off faster, are more accurate, and have longer service lives than thermal overload relays.