Milltronics MFA 4p Motion failure alarm controller: set-point alarm controller, for use with MSP motion probes. Enclosure: NEMA 4X, stainless steel enclosure Input voltage: 100/115/200/230 VAC, 50/60 Hz, switch selectable. Speed detection version: standard, underspeed (U/S) or overspeed (O/S), switch selectable Approvals: Ordinary Locations/General Purpose (Non-Ex), CE, UKCA, RCM, EAC, KC, CCSAUS, FM