HS2851A high-temperature vacuum stepper motor features a 1.8-degree step angle and operates from -20°C to +200°C, ideal for extreme conditions. With customizable specifications and a robust design, it excels in demanding applications, ensuring reliable performance in vacuum environments.
Model :
HS2851ARated current（Arms） :
0.85AFrame Size :
28mmLength :
51mmStep angle (°) :
1.8Holding Torque (N.m) :
0.09NmWeight（kg） :
0.25kgProtection Class :
IP20Nema 11 28*51mm 0.09N.m High Temperature Vacuum Stepper Motor
| 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 |
VMT1 VHT1 VMT2 VHT2 |
| Radial load | 10N Max(20mm from the flange face) |
| Axial load | 5N Max |
Nema 11 28*51mm 0.09N.m High Temperature Vacuum Stepper Motor Description
HS2851A high-temperature vacuum 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 IP20.
HS2851A high-temperature vacuum stepper motor adopts a new design, selects special materials, and completes the manufacturing and inspection of the special motor through a novel production process.the lowest working temperature can reach to -20℃, the highest working temperature can reach up to +200℃, and the vacuum degree is better than 10 -5 Pa.
This series provides standard designed of 20mm, 28mm, 42mm, 57mm, and 86mm frame size two-phase four-wire hybrid stepper motors. At the same time, motors of other specifications can be customized according to needs, or can be customized for special requirements such as radiation, mold resistance, impact resistance, and shaft output form.
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 | / | |
HS2851A Stepper Motor Dimensions
HS2851A Stepper Motor Torque Curves
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