FMU1 Speed Detector Card by Microswitch MICROSWITCH SPEED DETECTOR CARD TYPE FM ALL METALS RESPONSIVE CONTROLS 60-2000 OPERATIONS FERROMAGNETIC RESPONSIVE CONTROLS 60-900 OPERATIONS CAT# FMU1 New Surplus Inventory Code: B Make an Offer Send to a Friend WHSE Code: M8A2 Return To Misc Electrical Components and Parts