No more guesswork. No more estimates. No more tough calculations. Just easy and reliable. We provide tested data on each of our Light Trap Combination Systems making it easy to design and meet your ventilation needs with confidence. Less light, more ventilation!
Applications: Greenhouse & Poultry
What are Permanent Magnet (PM) Motors?
Permanent magnet motors are ac motors that have magnets attached to or embedded into the surface of the motor's rotor. Instead of using windings on its rotor, a PM motor uses these permanent magnets, meaning the rotor is magnetized already.
These magnets are then able to generate a constant magnetic flux instead of requiring the stator field to generate one, similar to an induction motor.
Advantages of PM Motors
PM motors have multiple advantages for farms of all sizes in any season. Including:
Energy Efficient - Why Slowing the Motor Down Increases Energy Efficiency
Power consumption required to spin a fan changes by the cube (X³) as the speed is increased or decreased. In a perfect world, when decreasing the speed by 10%, you decrease the power consumption by 30%. However, there are losses based on external factors. For J&D's PM motor, you will see a decrease of power usage of 26%.
PM motor fans are great for minimum winter ventilation. A farmer could run a few fans at 60% power and see their CFM/Watt drastically increase because of the cube root rule. PM motors are game-changers for facilities of all sizes.
SKU | Fan Size | CFM | Voltage | Phase | Amps |
---|---|---|---|---|---|
VFTP36NC3 | 36" | 12,369 | 230/460 Volt | 3 | 3.7/1.9A |
VFTA36NC3 | 36" | 13,340 | 230/460 Volt | 3 | 3.7/1.9A |
VSTP55A3C21-SL | 55" | 23,418 | 115/208-230 Volt | 1 | 18.0/9.6-9.0A |
VSTP55P3CPM221A-SL | 55" | 28,079 | 208-240 Volt | 1 | 13.9-11.8A |
VSTA55A3C21-SL | 55" | 24,740 | 115/208-230 Volt | 1 | 18.0/9.6-9.0A |
VSTA55P3CPM221A-SL | 55" | 29,290 | 208-240 Volt | 1 | 13.9-11.8A |
VSTP55A3C23-SL | 55" | 24,528 | 230-460 Volt | 3 | 6.2/3.1A |
VSTP55P3CPM223B-SL | 55" | 28,526 | 208-240 Volt | 3 | 8.4-7.4A |
VSTP55P3CPM223C-SL | 55" | 27,925 | 380-460 Volt | 3 | 6.2-5.2A |
VSTA55A3C23-SL | 55" | 26,365 | 230-460 Volt | 3 | 6.2/3.1A |
VSTA55P3CPM223B-SL | 55" | 29,245 | 208-240 Volt | 3 | 8.4-7.4A |
VSTA55P3CPM223C-SL | 55" | 27,889 | 380-480 Volt | 3 | 6.2-5.2A |
SKU | Drive Type | Hz | HP | RPM | Prop* |
---|---|---|---|---|---|
VFTP36NC3 | Direct | 60Hz | 1HP | 1140 | 2-Nyl |
VFTA36NC3 | Direct | 60Hz | 1HP | 1140 | 2-Nyl |
VSTP55A3C21-SL | Belt | 60Hz | 2HP | 633 | 3-CA |
VSTP55P3CPM221A-SL | Permanent Magnet | 60Hz | 2.2 kW | 611 | 3-Nyl |
VSTA55A3C21-SL | Belt | 60Hz | 2HP | 634 | 3-CA |
VSTA55P3CPM221A-SL | Permanet Magnet | 60Hz | 2.2 kW | 611 | 3-Nyl |
VSTP55A3C23-SL | Belt | 60Hz | 2HP | 662 | 3-CA |
VSTP55P3CPM223B-SL | Permanet Magnet | 60Hz | 2.2 kW | 615 | 3-Nyl |
VSTP55P3CPM223C-SL | Permanet Magnet | 60Hz | 2.2 kW | 607 | 3-Nyl |
VSTA55A3C23-SL | Belt | 60Hz | 2HP | 665 | 3-CA |
VSTA55P3CPM223B-SL | Permanet Magnet | 60Hz | 2.2 kW | 615 | 3-Nyl |
VSTA55P3CPM223C-SL | Permanet Magnet | 60Hz | 2.2 kW | 617 | 3-Nyl |
*NOTE: 3-Nyl= 3 Blade Galvanized, 3-CA= 3 Blade Cast Aluminum
Not able to find the size fan or configuration that you are looking for? Give us a call at 888-815-9763 and one of our sales members will be happy to help you find what you need!
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