High Speed Direct Drive Centrifugal Upblast Exhaust Fan with disconnect switch and 20-3/4" wheel.
- Exhaust Fan handles 4000 CFM @ -1.000" wc ESP, Fan runs at 1157 RPM
- Base Size: 28"x 28"
- Exhaust Motor: 3.000 HP, 3 Phase 208 V, 60Hz, 9.5 FLA, ODP (Open Drip Proof), Premium (E-Plus3) Eff.
- Includes Variable Frequency Drive (VFD) – Factory mounted, wired and programmed
Benefits of Direct Drive Fans with VFD include – Fan speed control for balancing, soft start for increased motor life, reduced maintenance and failure potential due to elimination of belts, pulleys and bearings.