About MJ3 Series Positive Opening Micro-Switches 5A 125 250VAC, 1.1A 125VDC, 0.4A 250VDC Positive Opening, Side mount switchesTerminal protection cover IP 65 & IP 40 -25°C to +80°C, North American Approvals About MJ3 Series Positive Opening Micro-Switches 5A 125 250VAC, 1.1A 125VDC, 0.4A 250VDC Positive Opening, Side mount switchesTerminal protection cover IP 65 & IP 40 -25°C to +80°C, North American Approvals