Model N-709
1 - 20 HP
2/3 Phase Changer
2/3 Phase Changer
When only a two-phase power source is available, the 2/3 Phase Changer lets a three-phase motor run on 2/3rds of its windings — a practical solution when the connected mechanical load doesn't demand full-rated power.
Model No.N-709
Capacity1 - 20 HP
Manufactured ByNational Electronics
Features
- Lets a 3-phase motor run from a two-phase power source using 2/3rds of its windings.
- Useful where the mechanical load only needs 2/3rds of the motor's full rating.
- Sized per motor HP using a dedicated touch/run capacitor chart (see specifications).
- Rugged enclosure suitable for field / pump-house installation.
Technical Specifications
| 3 HP | Touch 50 mfd / Run 72 mfd / 360-380/400V |
| 5 HP | Touch 72 mfd / Run 108 mfd / 360-380/400V |
| 7.5 HP | Touch 108 mfd / Run 120-144 mfd / 360-380/400V |
| 10 HP | Touch 120 mfd / Run 144+36 mfd / 360-380/400V |
| 12.5 HP | Touch 144 mfd / Run 144+50 mfd / 360-380/400V |
| 15 HP | Touch 144 mfd / Run 180 mfd / 360-380/400V |
| 20 HP | Touch 144/216 mfd / Run 216/216 mfd / 360-380/400V |
| Model | N-709 |
