The DTM Series connectors have a current capability of 7.5 AMPs and are rated at -67°F to 257°F. They come with a silicone seal to create connections that are environmentally sealed. The terminals are nickel plated copper alloy (gold plated are optional). Each housing REQUIRES a wedge lock (which must be ordered separately). DTM Series connectors will only accept terminals & plugs with a contact size of 20.