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These covers are ideal for protecting a wide range of devices, components and sensitive
units from vandalism and accidental damage as well as weather, dirt, dust and grime.
Covers are designed to keep the enclosure at a temperature above freezing which
allows the protected unit to be installed outdoors, in freezers, unheated warehouses or
storage units. The radiant heat plate prevents LCD displays from becoming sluggish or
freezing and operates on 12, 16.5 or 24 VAC/VDC. The STI-7510-HTR/STI-7511-HTR
enclosures include an external thumb or key lock and have a choice of two enclosed
back boxes. STI-7520-HTR has a key lock and STI-7521-HTR has a thumb lock.
HOW THEY WORK
The radiant heat plate cycles as required when activated by one of the thermostats.
It has three thermostats; a control thermostat, over temperature safety thermostat
and a low temperature warning that can connect to a supervisory panel. This allows
electronics to be protected from extreme temperatures.