The H series slip rings are compact, cost effective mercury free slip rings designed for industrial manufacturing.standard H2 has two rings, each able to carry 7 amps. H series slip ring overcomes mercury slip ring on the use of environment-demanding, and the disadvantages of not environmental protection. Advanced technology and reliable structure, maximum utilization of contact materials to get the highest cost performance. They are well suited for use in the food and packaging industries. Standard spade terminals fit quickly installation. you can option for2A,14A,20A. (More product information welcome to visit slipring.net or victory-way)