contact arrangement:1A/1B contact material:silver alloy contact resistance(initial value)(6VDC 1A):2 Max. nominal load :60A 250VAC/28VDC max switching voltage:250VAC/110VDC max switching power 15000VA/1680W coil pulse width set :50msec.Min. set time:15msec.Max. reset time:15msec.Max. dielectric strength 4000VAC(50/60Hz) between contact & coil for 1min. between contacts : 2000VAC(50/60Hz)for 1 min. insulation resistance :min.500 (500VDC) ambient temp: -40~+55 weight:36g