CCD3550 - Dinse Style 50mm Welding Cable Quick Connector Set (Male & Female)

Technical Overview of the CCD3550 Dinse Connector Set

The CCD3550 Dinse Connector Set is a precision-engineered solution designed for the efficient transmission of high-amperage welding current. This set includes both a male plug and a female socket, specifically sized for 50mm² welding cable (approximately equivalent to 1/0 AWG). The core components are manufactured from high-grade brass, machined to tight tolerances to ensure optimal surface contact area. This precision is critical in minimizing electrical resistance across the joint, thereby reducing voltage drop and preventing localized heating that can degrade connections over time.

The locking mechanism utilizes a standard Dinse-style cam action. When the male plug is inserted into the female receptacle and twisted, the cam pulls the two brass faces tightly together, creating a secure mechanical and electrical bond. This design is superior to simple friction fits as it resists loosening caused by cable manipulation, thermal expansion cycles, and shop vibration. The connectors are encased in heavy-duty rubber boots that provide essential electrical insulation and mechanical protection. These boots are formulated to resist common industrial contaminants such as oil, grease, and solvents, as well as withstand the thermal stress typical of welding environments.

Installation of the cable is achieved via a mechanical set-screw or crimp arrangement (depending on the specific sub-variant, though set-screws are standard for field-installable units), often utilizing a copper shim to protect the fine strands of the welding cable from damage during tightening. This ensures a gas-tight connection at the wire interface, further enhancing conductivity. The CCD3550 is an essential component for fabricating extension leads, repairing damaged machine connections, or retrofitting older equipment with modern, quick-disconnect capabilities. It adheres to standard dimensions, making it compatible with a wide range of welding power sources and accessories that utilize the 50mm Dinse standard.