PSR-HSA slip ring capsule is a standard off-the-shelf and high speed series product that uses gold contacts at the rotary interface . Color-coded lead wires are used on both the stator and rotor for simplified electrical connections , speed can meet 10000Rpm with no need cooling . Using a 90oV-groove ring design for each ring , the PSR-HSA-10 provides smoother running , lower toque , low contact wear rates than competitive slip ring , provides 10 circuit , 2A/circuit for power or signal