Nema 23 Stepper Motor Bipolar L=76mm 1.89Nm 2.9A with 50:1 Planetary Gearbox TQMG Series
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Nema 23 Stepper Motor L=76mm Gear Ratio 50:1 TQMG Series Planetary Gearbox
This NEMA 23 planetary geared stepper (23HS30-2904S-TQMG50) holds 1.89 Nm at 2.9 A, features a 50:1 gearbox with 20 Nm max torque and IP54 protection, and includes a keyed output shaft.
Electrical Specification
Manufacturer Part Number: 23HS30-2904S-TQMG50
Motor Type: Bipolar Stepper
Holding Torque without Gearbox: 1.89Nm(267.65oz.in)
Rated Current/phase: 2.9A
Phase Resistance: 1.13ohms
Inductance: 4.8mH±20%(1KHz)
Gearbox Specifications
Gearbox Type: TQMG Planetary
Gear Ratio: 50:1
Efficiency: 90%
Backlash at No-load:<=50arcmin
Max.Permissible Torque: 20Nm(221.27lb-in)
Noise: <=60dB
Waterproof Rating: IP54
Lifetime: 20000hours
Physical Specification
Frame Size: 57 x 57mm
Motor Length: 76.5mm
Gearbox Length: 68mm
Output Shaft Type: Key way
Output Shaft Diameter: Φ14mm
Output Shaft Length: 34mm
Connection
| A+ | A- | B+ | B- |
| Black | Green | Red | Blue |
| Physical Specification | |
|---|---|
| Output Shaft Type | Keyway |
| Body Length(mm) | 76.5 |
| Frame Size(mm) | Nema 17 (42 x 42) |
| No. of Lead | 4 |
| Shaft Diameter(mm) | 14 |
| Single Shaft/Dual Shaft | Single Shaft |
| Gear Ratio | 50 |
| Backlash at No-load | <=50 arcmin |
| IP Rating | 40 |
| Electrical Specification | |
| Bipolar/Unipolar | Bipolar |
| Inductance(mH) | 4.8 |
| Phase Resistance(ohm) | 1.13 |
| Current(A) | 2.9 |
| Holding Torque w/o Gearbox(N.m) | 1.89 |







