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Because of the rotationally symmetrical design of the contact chain, our edges can theoretically be operated from any direction, that is, their sensitive range covers 360°. key switches and Safety InterlocksWelcome to Haake Technologies in Germany. Manufacturer of key switches, locks, safety mats, safety edges and bumpersA few words about Key Switches When we started, in 1987, to translate our ideas into products like Key Switches , we did not have a clue as to where our entrepreneurial trip would end. At the time, production, design, and sales of Key Switches took place in our parents’ garage! Our’s would have been a short story, if not for the support of our very first customers and suppliers. Because of their original commitment to us, absolute customer orientation is the number one priority for our colleagues and us. Since our founding, several product groups like Key Switches have been designed and successfully launched in the machine safety devices market . With our subsidiaries and distribution partners for Key Switches in the major industrial countries, we are able to serve our customers in all aspects of labor safety. As a family-owned company, we attach the highest importance to quality for Key Switches, and for this reason we are proud to connect our own name with our products and services. We look forward to your enquiries. We also welcome your comments and any criticism, as this will help us to improve and to create new solutions like key switches. Here you can find our entire range of key switches. Here you can find descriptions of key switches, safety locks, safety mats, safety edges and bumpers. key switches Bumpers Safety edge Safety mat SAFETY INTERLOCKS and key switchesHigh safety.Key Switches: Such 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 in two places at the same time - it can for instance be inserted in a switch OR be used for opening a guard.
Advantages of Haake key switchesBenefits offered by the trapped-key system, e.g. key switches:- high safety, individual codes - only pre-determined sequences securing safety are possible - no spare tongue "in the pocket" - no cables to the individual guards (cost saving, faults prevented) - easy retro-fitting - guard interlocks have locking feature - particularly suited when there are different energy sources for the machine (electric, pneumatic, ...) - in areas where people might get trapped: personal safety key - simple possibilities for teach in - time delay due to key transfer between switch and guard interlock - run-down processes come to a standstill (if necessary, extend by additional unit) Haake offers safety interlocks (e.g. key switches) with multifold applications for: safeguarding operators Automotive industry Robots Machine tools Automation Packaging machines Food Textile Breweries Building industry Chemical industry Pharmacy Plastic processing Oil / gas Steel Mining Power generation / distribution Environmental protection Power stations Switch HST-S and key switchesKey Switches: The switch HST-S is used for isolating the machine, in order to permit safe access. After the voltage has been switched off, the previously trapped key can be removed and used for the next step in the sequence, e.g. opening a guard.Key Switches: The unit is available as an enclosed (IP 65) or a panel mount version. Versions with multiple locks (enclosed version sheet-steel up to 4, panelmount version up to 10) are also available. Further, versions in explosion-proof enclosures (ATEX zones 21 & 22 and 1 & 2) can also be supplied. |
key switches
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