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The control, monitoring and signaling units SA ..., CTB ..., CSTB ... and CTBE ... include a series of enclosures with “Ex tb” protection available in aluminum, polyester or stainless steel and in different measures. According to the size and the material chosen, there are three maximum dissipation limits that correspond to each of the three maximum optional ambient temperatures: + 40° C, + 55° C and + 60° C. Several IECEx/ATEX certified devices can be mounted on the enclosure faces and a glass or polycarbonate window can also be fixed to the lid. Various electronic devices can be installed internally with a total power dissipation within the limits defined for each housing such as terminals, analog and digital instruments, control and measurement devices, circuit breakers and IECEx / ATEX certified battery packs. SA/SS series stainless steel command and control junction boxes may be provided for ‘Ex tb’ panels on request.

Construction

Low copper content aluminium alloy, reinforced polyester or AISI 316L stainless steel body. Stainless steel screws. Mounting lugs.


Ex tb Control Panels
Also available in Spanish
cortem-group-signal-and-control-equipment-sockets-and-plugs.pdf
Also available in Spanish

Type Description Marking Company Certificate
IEC Ex Command, control and signalling units
  • Ex tb IIIC T80°C Db
IECEx CML 17.0162X
Atex Command, Control and Signalling Units Ex tb
  • Il 2D Ex tb IIIC T80°C Db
CML 17 ATEX 3307X