MK-2P: Size: 34*34*50.5mm Terminal layout: 2P Contact capacity: 10A 220VAC,10A 28VDC Contact resistance:<=50mohm Insulation resistance:>=100Mohm Dielectric strength: BOC 1000VAC, BCC 1500VAC MK-3P: Size: 34*34*50.5mm Terminal layout: 3P Contact capacity: 10A 220VAC,10A 28VDC Contact resistance:<=50mohm Insulation resistance:>=100Mohm Dielectric strength: BOC 1000VAC, BCC 1500VAC