APPLIED TECHNOLOGY ENCLOSURES
ENCLOSURES LIFT PASSENGER SAFETY LEVELS
appropriate standard accessories, all the needs of the project could be met. The TK enclosures specified were made
of polycarbonate and have an integrated polyurethane cover gasket as well as an opaque lid. These are, however, also available in glass- fibre reinforced polycarbonate and aluminium. Their IP66 environmental protection
rating confirms they are dust-tight and able to withstand powerful water jets, ensuring the communicator is well protected and therefore able to perform what could be its critically important duty. The enclosures are also resistant to most acids
While the operating environment within a passenger lift may seem benign there can, in fact, be extremes of temperature, dust, dirt and humidity, as well as the chance of shock loads, accidental impacts and even vandalism. So when developing its new GSM Communicator, the designers and engineers at a UK passenger lift controls company turned to Spelsberg to ensure it had the best possible protection. The GSM Communicator has been designed to
replace traditional analogue telephone lines for use with lift autodiallers, which are used to contact a service team in the event of a breakdown or other unusual event. GSM (Global System for Mobile communication) is a cellular network, which mobile phones connect with when making calls. The communicator not only eliminates the expensive monthly line rental and support
costs associated with traditional hard- wired phone systems, but it is not reliant on third party support, is quick to install and, once loaded with a SIM card, is ready to operate. It can also be tested and reset remotely, eliminating the need to call out telephone engineers. Assessing the
requirements, Spelsberg concluded that its TK model was a near-exact match to the application requirements. However, by selecting
and alkalis and have an IK07 impact resistance rating. Their operating temperature range is -35˚C to +80˚C, while their flammability rating of VDE 0471, UL94, 960˚C/V2 makes them safe for use in confined spaces such as lift cars. TK’s are available in a range of standard sizes, from 50mm x 52mm to 360mm x 254mm and with three cover heights. Designed for ease of use across many industry sectors, these are said by the company to be of particular benefit in applications where extra physical strength is required or where a long operating life is expected. In addition, thanks to the comprehensive range of accessories that are available, the TK enclosures can be customised to meet exact application needs.
Spelsberg
www.spelsberg.co.uk
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