SS 428 91 01, EN 61230
Earth clamp JK 152/1 is primarily for connection to railway railhead.
The conducting parts of the clamp are made of veral-alloyed steel with 36 hardened spikes. The loop is made of nickel-plated spring steel. Other steel components are made of stainless steel. The loop provides a constant contact pressure. The screw is insulated. The earthing cable
is connected by compression to the clamp.