PY Design
Features:
- Flange or base mounting
- Alnico permanent magnet rotors (AC)/(DC) fields
- Compact design
- Operational in either rotation or reversing device
- Totally enclosed non-ventilated enclosure
- GE originally created documentation (drawings, specifications)
- Medium accuracy for use with regulated drive or for speed indication.
Applications:
- Used for speed control on a variety of mill drives, machine tools, and paper machines. Also used in a speed-regulated drive scheme and where highly accurate speed measurement is required
Available models (but not limited to):
AC Tachometer Generators
| RPM | Volts/ 1000rpm |
GE frame | NEMA frame | Base | Former GE Catalog No. |
Model No. | Price | Weight | C’Dim. |
| 400-5000 | 20 | 18 | GE59 | WB | D246 | 5PY59EY4B | * | 5 | 6.4 |
| 400-5000 | 28 | 18 | GE59 | WB | D121 | 5PY59EY3B | * | 4 | 6 |
| 400-5000 | 28 | 18 | GE59 | FLG | D120 | 5PY59EY2B | * | 5 | 6 |
DC Tachometer Generators
| RPM | Volts/ 1000rpm |
GE frame | NEMA frame | Base | Former GE Catalog No. |
Model No. | Price | Weight | C’Dim. |
| 100-2500 | 100 | 18 | GE59 | FLG | D122 | 5PY59JY1 | * | 8 | 7.5 |
| 100-2500 | 100 | 18 | GE59 | FLG | D250 | 5PY59JY85 | * | 8 | 7.5 (2 slots per coil) |
| 100-2500 | 100 | 18 | GE59 | WB | D124 | 5PY59JY23 | * | 7 | 7.5 |
| 100-5000 | 50 | 18 | GE59 | FLG | D123 | 5PY59JY2 | * | 7 | 7.5 |
| 100-5000 | 50 | 18 | GE59 | FLG | D252 | 5PY59JY3 | * | 7 | 7.5 |
| 100-5000 | 50 | 18 | GE59 | FLG | D251 | 5PY59JY84 | * | 7 | 7.5 |
| 100-5000 | 50 | 18 | GE59 | WB | D125 | 5PY59JY24 | * | 7 | 7.5 |
Other Model Numbers Available:
| 5PY59JY55 | 5PY59JY110 | |
| 5PY59JY60 | 5PY59JY111 | |
| 5PY59JY109 | 5PY59JY112 |
FLG =Flange mounted
WB =Welded base