Specifications: Current Rating: 3A-125V AC. Initial Contact Resistance: 2.5V DC, 1A, 20 Milliohms or less. Insulation Resistance: 500V DC 100 Megohms or more. Dielectrical Strength: 1000VAC-1 minute. Contact Material: Silver Plated Copper Alloy. Terminal Material: Silver Plated Copper Alloy. Electrical Life: 30,000 cycles. Terminal Type : Solder. Mounting Hole: 0.687" Snap-In.