Based on this product's specifications, here are some alternatives and similar models
Connector Steinel 006655 — replacement connector, 1 pc
Summary description:
Steinel connector 006655 is a single replacement connector supplied as 1 piece. Designed for use with compatible Steinel devices and installations, it provides a direct connection point for electrical or sensor assemblies. Practical for maintenance and repair tasks, it simplifies component replacement and helps restore device functionality quickly.