Castell trapped key interlocks have been used as part of integrated safety systems across a wide number of industries worldwide for over 95 years. Our products are designed and manufactured to withstand the environmental conditions where people and assets need to be protected.
Castell has been at the forefront of trapped key interlocking since 1922
Over 95 years of experience protecting people and assets in industry
The ability to produce customised solutions to meet the demands of your specific application
We are accredited with British Standard: ISO 9001:2015 & OHSAS 45001:2018
Robust and durable interlocking components
Our interlocking components are designed to be robust, durable and are proven in all types of operating environments that meet the demands of the harsh locations our customers operate in. Above all, they are designed to protect personnel where the risk of injury and damage are high.