Power supply DC connector, with snap-lock, 3-contacts, high current contacts. Max.current for contacts A and B: 7.5A, 20V DC,contact resistance ≤30mΩ.Max.current for contact C: 1A, 20V DC, contact resistance ≤50mΩ. Power required to connection 3.5kg ; to disconnection 0.5 ÷ 2.5kg.