2510F fractional horsepower manual starters provide overload protection and manual On Off control for small single phase AC motors. 2510K motor starting switches provide compact manual On Off control of single or three phase motors or resistance heating loads up to 600 VAC, where overload protection is not required or provided separately. This enclosure for 2510F and 2510K devices is NEMA 3R rated. This sheet steel enclosure is painted grey. Enclosure is 5.26 inches tall, 4.30 inches wide and 2.82 inches deep.