Earthing Switches
From power stations to glass plants across the world, Castlet is the preferred choice for automatic external earth switches.
Earthing Switches
Our solenoid operated automatic external earth switches have been used in installations across the world, from power stations to glass plants.
They are designed to provide a reliable, safe and cost effective way to earth transformers.
The earth switch is designed to be fail safe with a spring operated return to earth function. The earth position micro switches ensure the transformer rectifier cannot be started with the earth switch in its earth on position. It can be activated by a high CO alarm signal.
Typical specifications: