Machine seat number: H80~315 Voltage: 380V, 400V, 415V, etc Insulation level: F, H Protection level: IP55 YDTG high-temperature resistant fan specialized variable pole multi speed three-phase asynchronous motor, frame number: H80-315, voltage: 380V, 400V, 415V, etc., insulation level: F and H, protection level: IP55. Our company has developed ventilation fans suitable for fire protection systems such as subways, tunnels, shopping malls, parking lots, and flues. The high temperature resistance level is 200 ℃/2 hours, 250 ℃/2 hours, 280 ℃/1 hour, 300 ℃/2 hours.
