Castell offers over 50 years unrivalled experience in safety interlocking systems.\r\n\r\nOur long-term commitment to industrial safety has earned Castell a worldwide reputation for providing well-engineered solutions to safety problems. As specialists in safety interlocking, we are dedicated to designing and manufacturing the best safety system for your application.\r\n\r\nWhen you deal with Castell, you deal with engineering expertise. From initial inquiry to free on-site survey to installation, we have the knowledge and understanding to ensure smooth service. Conforming to ISO 9000 all Castell interlocks are designed to the highest quality standards.