| AC Input Voltage | 120/240V AC |
| Current/Torque Limit | Adjustable |
| DC Speed Control | SCR |
| Dynamic Braking | No |
| Enclosure Rating | NEMA 4 |
| Enclosure Type | Enclosed |
| External Switches | ON/OFF |
| Follower Circuit | Yes |
| Higher Voltage Motor Output Power | 1/4 to 2 hp |
| Item | DC Speed Control |
| Lower Voltage Motor Output Power | 1/8 to 1 hp |
| Maximum Current | 10 A |
| Maximum Linear Acceleration | 8 sec |
| Minimum Linear Acceleration | 0.5 sec |
| Mount Type | Surface |
| Operating Temperature | -10 Degrees to 45 Degrees C |
| Overall Depth | 2.75 in |
| Overall Height | 7.25 in |
| Overall Width | 5.53 in |
| Rotation | Single Direction |
| Series | Series 253 |
| Shunt Wound Voltage | 100/200V DC |
| Speed Range | 50:1 |
| Speed Regulation | +/-0.5% with Tach Feedback, +/-1% with Armature Voltage Feedback |
| Standards | cULus Listed |
| Voltage Output | 90/180V DC |