Nema 11 0.09N.m stepper motor operates reliably from -60°C to +85°C, featuring high-performance magnets for extreme temperature resistance. Advanced technology minimizes noise and vibration, making it ideal for biomedical, aerospace, and industrial automation applications.
Model :
HK2851ARated current（Arms） :
0.85AFrame Size :
28mmLength :
51mmStep angle (°) :
1.8Holding Torque (N.m) :
0.09NmWeight（kg） :
0.21kgProtection Class :
IP40Nema 11 0.09N.m 28*51mm 2-Phase High Low Temp 11 Stepper Motors
| Radial clearance | 0.02mm Max（ Load capacity: 450g） |
| Axial clearance | 0.08mm Max（Load capacity: 450g） |
| Resistance Accuracy | ±10% |
| Inductance Accuracy | ±20% |
| Insulation resistance | 100MΩ |
| Insulation class | Level B |
| Insulation strength | 500VAC 50Hz 1mA 1Minute |
| Motor temperature rise | 80°C Max（ Rated current、ＳＴＰ） |
| Ambient temperature | NTL2 / NTL3 |
| Radial load | 10N Max(20mm from the flange face) |
| Axial load | 5N Max |
Nema 11 0.09N.m 28*51mm 2-Phase High Low Temp 11 Stepper Motors Description
HK2851A stepper motor with a step angle of 1.8 degrees, product dimensions of 28mm in diameter and 51mm in length, rated current of 0.85A, holding torque of 0.09N.m, and protection rating up to IP40.
After professional thermodynamic design,the stepper motor can adapt to extreme temperature environments, and its operating temperature range covers -60°C to +85°C, meeting various harsh operating requirements.
The magnets are made of special materials with strong temperature resistance and weather resistance, allowing them to maintain excellent performance under high temperatures and harsh environments. While satisfying the speed and torque, the noise pollution and vibration wear of the equipment are reduced through advanced technological optimization.
Application：
Biomedical, Industrial Automation, Drone, Semiconductor Industry, Automobile Industry, Satellite Detection, Test Instruments, Industrial Robot, Chemical Industry, Aerospace.
Environmental Class List
| Environmental Class List | ||||
| Temperature Level | Symbol | Temperature Range (°C) | Maximum Allowable Temperature of Motor Casing (°C) | Vacuum Degree (Pa) |
| Wide Temperature | NTL2 | -40 ~ +85 | +115 | / |
| NTL3 | -60 ~ +85 | +115 | / | |
| Vacuum High Temperature | VMT1 | -20 ~ +200 | +200 | 10⁻³ |
| VMT2 | -20 ~ +150 | +150 | 10⁻³ | |
| VHT1 | -20 ~ +200 | +200 | 10⁻⁵ | |
| VHT2 | -20 ~ +160 | +160 | 10⁻⁵ | |
| Cryogenic | VTL3 | -60 ~ +100 | +130 | 10⁻¹ |
| NTL4 | -80 ~ +85 | +115 | / | |
| SLT | -196 ~ +40 | +100 | / | |
HK2851A Stepper Motor Dimensions
HK2851A Stepper Motor Torque Curves
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