Directory Conveying & Material Handling EZ521 Controller Maxi-Tronic, Inc. 10% and 20% slowdown relays Tachometer pulse output MODBUS and RS458 options Status LED indicators Universal supply voltage Class II Div. 1 certified Request More Info Fill out the form below to request more information aboutEZ521 Controller More From Maxi-Tronic, Inc. RadarMax FM 200 Flow/No Flow Monitor MaxiTrack BeltTracker LevelMax MaxiScan 12M Hazard Monitoring Controller EZ521 Controller MT600 Underspeed Control RadarTrack™ MaxiScan™24 DigiMax™ Digital Hazard Monitoring MaxiScan™24+ Controller