28ZWWC52 Rated Power is 37W and Peak Torque is 375mN.m.
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| Motor part number | - | 28ZWWC52 | |||||
|---|---|---|---|---|---|---|---|
| Pole pairs | - | 1 | 1 | 1 | 1 | 2 | |
| Terminal resistance, Phase-Phase | Ω | 0.52 | 1.7 | 4.3 | 6.6 | 1.6 | |
| Terminal inductance, Phase-Phase | mH | 0.0495 | 0.178 | 0.42 | 0.77 | 0.13 | |
| Winding connection method | - | Star connection | Star connection | Star connection | Star connection | Star connection | |
| Insulation class | - | B | B | B | B | B | |
| Duty type | - | S2 | S2 | S2 | S2 | S1 | |
| Feedback method | - | Hall sensors | Hall sensors | Hall sensors | Hall sensors | Hall sensors | |
| Commutation angle | - | 120° | 120° | 120° | 120° | 120° | |
|
Insulation strength (Withstand voltage) |
- | 500VAC/1KHz/1mA/1s | |||||
| Insulation resistance | - | 100 MΩ/500VDC | |||||
| Weight | g | 170 | 170 | 170 | 170 | 170 | |
| Rated voltage | V | 12 | 24 | 36 | 48 | 24 | |
| Rated power | W | 30 | 34 | 35 | 35 | 37 | |
| Rated torque | mN·m | 32 | 32 | 32 | 34 | 50 | |
| Rated speed | RPM | 6970 | 8430 | 8370 | 8340 | 7000 | |
| Rated current | A | 3.13 | 1.69 | 1.17 | 0.86 | 2 | |
| No load speed | RPM | 9270 | 9680 | 9500 | 9400 | 8500 | |
| No load current | A | 0.2 | 0.11 | 0.084 | 0.061 | 0.12 | |
| Motor efficiency | % | 80 | 84 | 83 | 85 | 81.5 | |
|
Noise (Ambient noise 20dB, test distance 1m) |
dB | ＜50 | ＜50 | ＜50 | ＜50 | ＜50 | |
| Thermal resistance | K/W | 8.9 | 8.2 | 8.17 | 7.76 | 8.96 | |
| Thermal time constant | S | 1200 | 1200 | 1080 | 1100 | 1000 | |
| Ambient temperature | ℃ | 24 | 24 | 24 | 24 | 21.2 | |
| Max winding temperature | ℃ | 80 | 80 | 80 | 80 | 46.7 | |
| Torque constant | mN·m/A | 10.24 | 18.97 | 27.32 | 39.63 | 25 | |
| Back-EMF constant - peak value | V/Krpm | 1.52 | 2.81 | 4.04 | 5.87 | 3.7 | |
| Back-EMF constant - effective value | V/Krpm | 1.07 | 1.99 | 2.86 | 4.15 | 2.62 | |
| Peak torque | mN·m | 236.31 | 267.87 | 228.72 | 288.25 | 375 | |
| Peak current | A | 23 | 14 | 8 | 7 | 15 | |
| Rotor inertia | g·cm² | 10.2 | 10.2 | 10.2 | 10.2 | 10.2 | |
| Mechanical time constant | ms | 5.06 | 4.82 | 5.88 | 4.29 | 2.61 | |
| End bell | - | Stainless steel | |||||
| Bearing | - | Deep groove ball bearing | |||||
| Magnet | - | Sinter NdFeB | |||||
| Rotation shaft | - | Carbon steel | |||||
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| Stage | - | Stage 1 | Stage 2 | Stage 3 | Stage 4 |
|---|---|---|---|---|---|
| Gear ratio | X : 1 | 3.9, 5.3 | 16, 21, 28 | 62, 83, 111, 150 | 243, 326, 439, 590, 794 |
| Max. backlash | ° | 0.5 | 0.6 | 0.7 | 0.75 |
| Max. continuous output power | W | 100 | 50 | 25 | 8.0 |
| Max. peak output power | W | 125 | 62 | 31 | 10 |
| Max. continuous input speed | rpm | 6000 | 7000 | 7000 | 7000 |
| Max. peak input speed | rpm | 7500 | 8750 | 8750 | 8750 |
| Max. continuous torque | N.m | 1.25 | 2.90 | 5.0 | 5.0 |
| Max. peak torque | N.m | 1.6 | 3.6 | 6.3 | 6.3 |
| Max. efficiency | % | 90 | 81 | 72 | 65 |
| Weight | g | 103 | 150 | 174 | 198 |
| Gearbox length L | mm | 24.2 | 36.9 | 43.5 | 50.2 |
Silent
A high-performance gear reduction solution that delivers both stable torque transmission and low-noise operation, built on precision gear machining technology. Compatible with a wide range of DINGS' motors and applicable across diverse industries including robotics, automation equipment, and precision machinery.
Explore available specifications and gear ratio options on the DKPS website below.
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