Crawford Main switch
A Crawford Main Switch is the primary power‑isolation device used on Crawford/Hafa dock levellers and control boxes. It disconnects all electrical power to the dock system for safe servicing, lock‑out, and emergency shutdown.
A Crawford Main Switch is the primary power‑isolation device used on Crawford/Hafa dock levellers and control boxes. It disconnects all electrical power to the dock system for safe servicing, lock‑out, and emergency shutdown.