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1
Scope
This installation and operating manual is intended for persons who have been authorized to carry out
tasks involving the installation or operation of the HST-series. International, national and, where ap-
propriate, regional regulations are to be observed when handling key transfer systems.
If you have any questions which are not answered in this manual, please get in touch with your re-
gional customer service centre or else make direct contact with
Haake Technik GmbH
Master Esch 72, 48691 Vreden, Germany
Tel49 2564 39650
Fax +49 2564 396590
[email protected]
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Intended use
The Switching element with locking mechanism HST-M is used to switch off the power supply to the
load circuits of machines or plants with shut-off delays, with rated currents up to 20A, in accordance
with the conditions of section 19, if the hazardous movements have been shut down.
If the coded switch key is in position 0, the coded key change can be turned and removed.
Other applications are prohibited.
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Symbol explanation
Warnings are indicated by symbols. The notices are introduced by signal words to indicate the extent
of the hazard.
Attention!
… indicates a potentially hazardous situa-
tion, which may lead to personal injury and
damage to property if it is not avoided.
NOTE!
… highlights useful tips and recommendations
as well as information for efficient and fault-free
operation.
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Disposal
The device must be properly disposed of in accordance with
national laws and regulations.
