Weidmuller 0473460101 DEK 5 FW 101-150 is part of their DEK 5 locking device system, which is designed to secure electrical connections using a combination of mechanical locking and screw connection technology. It features a compact design to safely secure plugs, sleeves and plugs with a variety of locking and unlocking solutions from a single source. DEK 5 is suitable for all standard circular connectors, with or without a flange, and offers the highest degree of flexibility with its various accessories. This specific model is designed for use with a screw connection of M10, features a locking torque of 0.48 Nm, and can be used from an operating temperature range of -25°C to +80°C.