Current Rating: 20A@125V AC, 10A@ 277V AC 3/4 HP @ 125/250V AC Initial Contact Resistance: 50 Meg ohm (Max.) Insulation Resistance: 100 Meg ohm (Min.) @ 500V DC Dielectric Strength: 1000V AC 50/60 Hz for 1 minute Contact Material: Brass - Bright Nickel Plate Terminal Material: Brass Terminal Type: Screw