MotorsThree-phase 4 pole motors, IP55, class F with PTC thermal protection.Speed controllable by auto-transformer RMT* or by inverter VFTM*.* These accessories are certified for use with the equipment. For that reason, they cannot be substituted with any other type or brand of accessory.Electrical supply:-Three phase 230/400V-50Hz.Explosion proof versions in accordance to ATEX Directive for three phase models. For ambient working temperatures from -20ºC to +55ºC.- ATEX Increased safety - GasII2G Exe II T3 Gb.- EC: LOM II ATEX 2026 X