MotorsAll motors are IP55 class F (1), with ball bearings greased for life.Electrical supply:-Single phase 230V-50Hz.-Three phase 230/400V-50Hz and 400V-50Hz.(1) Models CSB and CBT-40: IP44, class B and equipped with thermal protection.Additional informationThe scroll can be orientated (1) in 7 different positions as per the table below. Standard supplied position: LG270.(1) CSB and CST Models: only can be supplied in LG270 position.On request2 speed motors. ATEX versionsOn request, explosion proof versions in accordance to ATEX Directive for three phase models. For ambient working temperatures from -20ºC to +40ºC.- ATEX Flameproof -Gas:In standard ATEX version flameproof motors are without thermal protection.If used with frequency inverter, flameproof motors with a PTC-type thermal protection must be specified at order.Except CBT-40 and CST-60 modelsII 2G Ex d IIB T4II 2G Ex d IIB+H2 T4 (with Ex d IIC T4 motor)- ATEX Increased safety-Gas:Only CBT-100 and CBT-130 modelsII 2G Ex e II T3-ATEX DustIn standard ATEX version, ATEX motors for dust are without thermal protection.If used with frequency inverter, ATEX motors for dust with a PTC-type thermal protection must be specified at order.Suspended flammable particles and nonconductive dust:II 3D Ex tc IIIB T125ºCConductive dust:II 3D Ex tc IIIC T125ºC (with IP65 motor)To select CBT-N refer to performance curves, or Easyvent.The consumption data of ATEX products may vary from the data shown in technical characteristic charts.
