Magnet size (mm) : 532*73*40 Armature size(mm): 185*61*16 Holding force : 1200lbs/600kgs*2 Voltage/Current : 12v/500mA,24v/250mA Voltage tolerance: 10% Relay dry contact rating : 500mA,24VDC/AC Unit weight (Approx.):11.0kg