The MK02/0-1B90-500W is a pole mounted AC solenoid from Standexmeder. It is a single-coil unit for use with 110-220V AC power supplies, featuring a 90 mm stroke and 500 W power rating. The coil is operated via a two or four position momentary switch, allowing for multi-position operation. The unit is designed for applications such as valves, pumps, and sliding doors, and features an IP65 rating for protection against dust and water ingress.