... Most Comparative Price 4)Different type for Select Relay,General Purpose Relay,Miniature Relay,Control Relay,electromagnetic relay Main feature: 1. Contact parameter: Contact resistance ... ), 3Z, 4ZContact resistance: ≤ 50ohm (1A 24VDC)Contact material: Silver alloyContact overload: 1Z: 15A 220VAC/28VDC2Z, 3Z, 4Z: 10A 220VAC/28VDC2. Performance ...