EM35 Heavy Duty Power Connectors Hirose EM35 Heavy Duty Power Connectors are designed to meet the growing demand for high powered, high current connectors offering advanced reliability for industrial applications. The EM35 Series features integrated hooks that snap directly onto a standard 35mm DIN Rail, allowing the connector to withstand high mechanical stress. The robust snap-on lock provides secure mating with an audible tactile click to confirm correct engagement. Hirose EM35 Heavy Duty Power Connectors incorporate three 50A power contacts and one ground contact. The contacts are arranged in sequence to ensure the ground contact is connected before the power contacts during the mating process. Termination of the crimp contact is quick and easy using standard JIS crimping tools.