Nema 17 42*40mm 2 Phase High/Low Temperature Stepper Motor 0.25N.m
HK4240A high low temperature stepper motor operates reliably from -60°C to +85°C, featuring a 1.8-degree step angle and IP65 protection. Its durable design minimizes noise and vibration, ensuring efficient performance in extreme conditions.
Model :
HK4240ARated current（Arms） :
1.5AFrame Size :
42mmLength :
40mmStep angle (°) :
1.8Holding Torque (N.m) :
0.25NmWeight（kg） :
0.4kgProtection Class :
IP65Nema 17 42*40mm 2 Phase High/Low Temperature Stepper Motor 0.25N.m
| 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 | 28N Max(20mm from the flange face) |
| Axial load | 15N Max |
Nema 17 42*40mm 2 Phase High/Low Temperature Stepper Motor 0.25N.m Description
HK4240A high low temperature stepper motor with a step angle of 1.8 degrees, product dimensions of 42mm in diameter and 40mm in length, rated current of 1.5A, holding torque of 0.25N.m, and protection rating up to IP65.
Through advanced thermodynamic design, this high low temperature stepper motor is engineered to perform reliably in extreme temperatures, with an operating range from -60°C to +85°C, suitable for demanding applications.
Constructed with specially formulated magnets that offer exceptional temperature and weather resistance, it ensures consistent performance in high-temperature and harsh conditions. Enhanced technological optimizations also minimize noise and vibration, improving equipment longevity while maintaining speed and torque efficiency.
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 | / | |
HK4240A Stepper Motor Dimensions
HK4240A Stepper Motor Torque Curves
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