E33 : E-Series BLDC Motor
Size: 3.3 inches or 8.4 cm
Peak Torque: to 575 oz-in or 406 Ncm
High-Performance. High Torque-to-Weight.
The E33 series offers high output in a highly efficient package for mid to low voltage, mid-level to high torque applications. This series features an economic design available in both closed and open shell configurations. The E33 series supports application speeds up to 7,500 RPM while providing long reliable performance.
E33 Speed / Torque Curves
E33 Mechanical / Winding Data
| Stack Size Models | E33 - 45 | E33 - 88 | E33 - 120 |
|---|---|---|---|
| Continuous Stall Torque (oz-in) | 45 | 88 | 120 |
| Continuous Stall Torque (Ncm) | 31.77 | 62.14 | 84.73 |
| Peak Torque (oz-in) | 195 | 325 | 575 |
| Peak Torque (Ncm) | 137.69 | 229.48 | 406.01 |
| Motor Constant (oz-in / Watt) | 12.10 | 21.30 | 28.80 |
| Electrical Constant (msec) | 10.55 | 10.40 | 3.44 |
| Mechanical Constant (msec) | 8.74 | 5.28 | 4.30 |
| Rotor Inertia (oz-in-sec2) | 0.0090 | 0.0170 | 0.0250 |
| Rotor Inertia (gm-cm2) | 635.6 | 1200.5 | 1765.5 |
| Thermal Resistance (C / Watts) | 2.6 | 2.2 | 1.9 |
| Weight (oz) | 52.8 | 92.8 | 216.0 |
| Weight (Kg) | 1.5 | 2.6 | 6.1 |
| Length (inches) | 4.4 | 5.4 | 6.4 |
| Length (cm) | 11.2 | 13.7 | 16.3 |
| Number of Poles | 4 | 4 | 4 |
| Winding Models | 45V48 | 45V60 | 45V160 | 88V48 | 88V60 | 88V160 | 120V48 | 120V60 | 120V160 |
|---|---|---|---|---|---|---|---|---|---|
| Design Voltage (VDC) | 48 | 60 | 160 | 48 | 60 | 160 | 48 | 60 | 160 |
| Continuous Current (Amps) | 4.1 | 3.7 | 1.5 | 7.6 | 6.7 | 2.8 | 9.1 | 7.2 | 3.8 |
| Peak Current (Amps) | 13.9 | 12.3 | 4.9 | 22.3 | 19.5 | 8.1 | 31.5 | 27.8 | 12.8 |
| Voltage Constant ±10% (VDC/kRPM) | 11.5 | 13.0 | 33.0 | 12.0 | 13.7 | 33.0 | 15.0 | 17.0 | 37.0 |
| Torque Constant ±10% (oz-in / Amp) | 15.6 | 17.6 | 44.6 | 16.2 | 18.5 | 44.6 | 20.3 | 23.0 | 50.0 |
| Torque Constant ±10% (Ncm / Amp) | 1.102 | 1.243 | 3.149 | 1.144 | 1.306 | 3.149 | 1.433 | 1.624 | 3.531 |
| Resistance ±10% (Ohms) | 1.7 | 2.1 | 13.6 | 0.6 | 0.8 | 4.3 | 0.5 | 0.8 | 2.8 |
| Inductance ±10% (mH) | 17.5 | 22.4 | 144.1 | 6.0 | 7.8 | 45.4 | 1.7 | 2.2 | 10.3 |
E33 Outline Drawing
E33 Commutation Sequence
