Product Features Multi-volt coil works with all common coil voltages 5x traditional contactor life Totally sealed switch keeps out ants, pests and debris Microprocessor control inhibits arcing that cause welding and pitting Line voltage brownout protection and short cycle timer provide compressor protection Zero chatter latching relay Heavy-duty lug connectors 5-year limited warranty Four-hole mounting matches mechanical contactors Tri-color LED with compressor test and cycle count by pushbutton