For 30 years the family business, Haake Technik GmbH, is quite successful in manufacturing safety engineering. Our core/ main competence comprises the progression/ development and production of pressure-sensitive sensors and mechanized trapped-key interlocking systems. With these safety solutions we essentially help form the working safety of our customers of most different industries. In doing so we set great store by/ put emphasize on a close cooperation with our partners. Thats why new and innovative ideas dialogically come up. In addition to that we are able to provide/ serve supply the international/ word-wide market with high-class and innovative safety engineering by our global sales network.

Trapped-Key Interlocking System HST
Guard locking devices are for instance key-operated mechanical interlocks, also called trapped-key systems. They are based on the easy-to-understand premise that a key cannot be in two places at the same time – it can for instance be inserted in a switch OR be used for opening a guard. Another safety-relevant feature is that a
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