SS 428 91 01, EN 61230
Earth clamp JK 250 is for connection to steel structures such as frameworks and bars. Can also be connected to base of rails, which allows rail vehicles to pass. The clamp is approved for use on painted surfaces. The conducting parts of the clamp are made of nickel-plated spring steel with 99 hardened spikes. Other steel components are made of stainless steel. The loop is made of spring steel to give a constant contact pressure. The screw is insulated. The earthing cable is connected to the clamp with a cable lug and M8 bolted joint M12 (70-95 mm2).