Changzhou Prostepper Co.,Ltd.
Committed to becoming the most reliable motor supplier in China
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Prostepper's motor has its own calling name system for each type of stepper motor, encoder type motor use PEM+motor size +motor type+step angle+Motor length+encoder+motor option
General specifications
| Specification | Motor Characteristics | |
| Insulation Class | Class B130°C | |
| Step Angle Accuracy | ±0.09° | |
| Withstand Voltage | AC500V (one minute) | |
| Insulation Resistance | 100MQ MIN. 500VDC | |
| Temperature Rise | 80*C MAX | |
| Radial Play | 0.025mm Max. (Load450g) | |
| Axial Play | 0.075mm Max. (Load950g) | |
| Temperature | -10~+50°C (Non Condensing) | |
| Operating Environment | Humidity | 85%RH MAX. (Non Condensing) |
| Medium | No corrosive gas or dust. Not directly in contact with water, oil, etc. | |
| Storage Environment | Temperature | 0~+50°C (Non Condensing |
| Humidity | 85%RH MAX. (Non Condensing) | |
| Life | 5000 Hours MIN. | |
Radial Load&Axial Load
| Motor Size | Shaft Diameter (mm) | Radial Load (N) | Axial Load (N) | ||||||
| Distance from Mounting Surface (mm) | |||||||||
| 5 | 10 | 15 | 20 | 25 | 30 | 35 | |||
| NEMA8 | 4 | 15 | 12 | — | 3 | ||||
| NEMA 11 | 5 | 50 | 35 | 25 | — | 5 | |||
| NEMA 14 | 5 | 50 | 35 | 25 | 20 | — | — | — | 10 |
| NEMA 17 | 5 | 50 | 35 | 25 | 20 | — | — | 15 | |
| NEMA 23 | 8 | 270 | 180 | 130 | 100 | 90 | — | 20 | |
| NEMA 24 | 8 | 200 | 135 | 100 | 82 | 58 | — | — | 30 |
| NEMA 34 | 14 | 620 | 550 | 480 | 390 | 340 | 290 | 260 | 60 |
The product detailed specification of 2 phase Nema17mm Bi-polar hybrid automatic stepper motor can be refered as below:
42mm 2-Phase Standard Type NEMA17 Bi-Polar 1.8゜
| Mode No | PST42H231-4P06 | PST42H231-4P12
| PST42H235-4P06 | PST42H235-4P12 |
| Holding Torque | 0.16N.m | 0.16N.m | 0.25N.m | 0.25N.m |
| Related Current | 0.6A/Phase | 1.2A/Phase | 0.6A/Phase | 1.2A/Phase |
| Resistance | 6.6 Ω/Phase | 1.8Ω /Phase | 8Ω/Phase | 2.1Ω/Phase |
| Inductance | 9.5MH/Phase | 2.4MH/Phase | 15.2MH/Phase | 3.9MH/Phase |
| Inertia | 23g.cm2 | 23g.cm2 | 35g.cm2 | 35g.cm2 |
| Weight | 0.2kgs | 0.2kgs | 0.24kgs | 0.24kgs |
| Length | 31mm | 31mm | 35mm | 35mm |
| Connection | P | P | P | P |
| Mode No | PST42H241-4P12 | PST42H241-4P20
| PST42H249-4P12 | PST42H249-4P20 |
| Holding Torque | 0.4N.m | 0.4N.m | 0.48N.m | 0.48N.m |
| Related Current | 1.2A/Phase | 2A/Phase | 1.2A/Phase | 2A/Phase |
| Resistance | 2.5 Ω/Phase | 1.05Ω /Phase | 3.1Ω/Phase | 1.35Ω/Phase |
| Inductance | 5.5MH/Phase | 2MH/Phase | 8MH/Phase | 2.9MH/Phase |
| Inertia | 54g.cm2 | 54g.cm2 | 77g.cm2 | 77g.cm2 |
| Weight | 0.3kgs | 0.3kgs | 0.36kgs | 0.36kgs |
| Length | 41mm | 41mm | 49mm | 49mm |
| Connection | P | P | P | P |
| Mode No | PST42H261-4P12 | PST42H261-4P20 | ||
| Holding Torque | 0.72N.m | 0.72N.m | ||
| Related Current | 1.2A/Phase | 2A/Phase | ||
| Resistance | 2.5 Ω/Phase | 1.75Ω /Phase | ||
| Inductance | 11MH/Phase | 4MH/Phase | ||
| Inertia | 110g.cm2 | 110g.cm2 | ||
| Weight | 0.5kgs | 0.5kgs | ||
| Length | 61mm | 61mm | ||
| Connection | P | P | ||
Speed/Torque Characteristics (Reference Value)
Company history: CHANGZHOU PROSTEPPER CO.,LTD. was established in 2004 as Jiangsu High-Tech Enterprise, which is engaging in Developing, designing and producing professional stepper motor and DC brushless motor. It's motor manufacturing and R&D history dated from 1998.
Service: OEM/ODM Support for customized services, completion after markets
Who is Prostepper
Prostepper is an important manufacturer/exporter of automation and industrial control products such as Hybrid Stepper Motor, DC brushless motor, Motor drivers and much more. we are able to offer the most practical industrial automation products at the industry's competitive prices.