... of protection:Ip54 or IP55 3.approvals:CCC,CE, 1. Impeller7-sickle bladed poled die-cast ... inside are all newly external rotor motor with thermal protector inside and this insulation class of ... client appointed. 4. FeatureFor installation in equipment with short bell mouth, high flexibility by variation of ... , air conditioning, heating technology, drying, cooling, agriculture. Axial fan with frame