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Andres BlancoThe thruster have arrived correctly. I tested them on the ROV and we are very happy with the result. The epoxy interior finish is very good and the power of the motors in relation to the size is quite good.
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Gregoire LangeThe cooperation between Changzhou Vic-Tech Motor Tech and our company was just great. Good understanding of our needs, great willing to solve our problems. I recommend !
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David MoleveltProfessional and clear communication. Order was shipped in time. Counter connectors where added to the shipment. Driver works like we agreed !
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Buildstorm Private LimitedThe product works as expected, it was packed nicely. Seller responds very quickly and helps in making a buying decision. They are ready to customize the product for you.
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Ashley GriffinShipment was received very quickly. Product was well protected by packaging. Company rep was cordial and kind. A Plus rating!
20mm Diameter 385mA Current 8V Rated Voltage Micro Stepper Motor for Urine Analyzer

Contact me for free samples and coupons.
Whatsapp:0086 18588475571
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Skype: sales10@aixton.com
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xProduct Details
Motor Diameter | 20mm | Motor Length | 18mm |
---|---|---|---|
Reduction Box Length | 16.0mm, 17.5mm, 19mm, 20.5mm | Working Voltage | 2.4V To 12V |
Motor Speed | 10rpm, 20rpm, 30rpm, 45rpm, 50rpm, 60rpm, 100rpm, 200rpm, 500rpm | Phase | 2 |
Current Per Phase | 385mA | Resistance Per Phase | 10Ω ± 10% (25℃) |
Max Starting Frequency | 1000 Pps | Max Response Frequency | 1200 Pps |
Step Angle | 1.8 Degree | Rated Voltage | 8V |
Inductance Per Phase | 6.3mH | Number Of Wires | 4 |
Model | 20BY45 | ||
Highlight | 20mm Diameter Stepper Motor,385mA Current Micro Stepper Motor,8V Rated Voltage Geared Stepper Motor |
Product Description
20 mm Diameter 2-Phase 4-Wire Stepper Motor for Urine Analyzer


The SM20 reduction stepper motor features a compact 20mm diameter design. The motor length is 18mm with reduction box options of 16.0mm, 17.5mm, 19mm, and 20.5mm.
Technical Specifications
- Working voltage range: 2.4V to 12V
- Available speed options: 10rpm, 20rpm, 30rpm, 45rpm, 50rpm, 60rpm, 100rpm, 200rpm, and 500rpm
- Precise control: Speed and stop position are not limited by pulse signal frequency or number of pulses
- Stable performance: Unaffected by load changes when operating within specifications
Design Layout

Detailed Specifications
Model | 20BY45 |
---|---|
Product Name | Geared stepper motor |
Motor diameter | 20mm |
Resistance | 10Ω ± 10%/ phase (25℃) |
Max Starting Frequency | 1000 pps |
Max Response Frequency | 1200 pps |
Step angle | 1.8 degree |
Rated voltage | 8 V |
Inductance/phase | 6.3mH |
Packaging & Delivery

- Selling Units: Single item in plastic box with outer paper box
- Package: Single carton packing, 100-1000 pieces per box
- Lead Time: 30 Days After Deposit
Company Profile



Changzhou Vic-Tech Motor Technology Co., Ltd has specialized in micro motor production since 2011. Our product range includes micro stepper motors, geared motors, underwater thrusters, and motor drivers/controllers. With a 20-year experienced R&D team, we offer custom design and development services, maintaining our position as an industry leader through quality and reliability.
Frequently Asked Questions
Who are we?
Based in Jiangsu, China since 2011, we serve domestic and international markets including North America, Northern Europe, Western Europe, and Southeast Asia with a team of 51-100 professionals.
How can we guarantee quality?
We implement pre-production samples and final inspections before shipment to ensure consistent quality.
What products do we offer?
Our product range includes stepper motors, linear motors, geared motors, micro motors, and BLDC motors.
Why choose us?
With over a decade of specialization in micro motor production and custom development services, we combine technical expertise with reliable quality.
What services do we provide?
- Delivery Terms: FOB, CIF, EXW, DDP
- Payment Options: T/T, Credit Card, PayPal, Cash
- Currencies: USD, EUR, CNY
- Languages: English, Chinese
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