Description
Product Overview
The 15BY45 is a compact stepper motor designed for DC5V operation. It uses a two-phase winding design and provides controlled step-by-step rotation for equipment that requires precise motor movement.
According to the supplied technical drawing, this motor features an 18° step angle, a 1:50 reduction ratio and a starting torque of at least 270 gf·cm at 350 PPS. Its listed no-load starting frequency reaches 800 PPS.
The motor uses four lead wires and a PH1.25-4Y connector. These features provide connection options for compatible control systems and equipment.
Model identification note: The drawing title shows PM15BY45-020-30/50, while this product page uses the product name 15BY45 as confirmed by the customer. Please confirm the exact factory model code before final publication.
Key Features
- Rated Voltage: DC5V
- Motor Type: Two-phase stepper motor
- Step Angle: 18°/50 (as marked in the drawing; factory confirmation required)
- Gear Reduction Ratio: 1:50
- Starting Torque: ≥270 gf·cm at 350 PPS
- No-load Starting Frequency: 800 PPS
- Phase Current: 167 mA
- Lead Connection: Four wires with PH1.25-4Y connector
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | 15BY45 Stepper Motor |
| Drawing Model Code | PM15BY45-020-30/50 (to be confirmed) |
| Rated Voltage | DC5V |
| Number of Phases | 2 |
| Phase Resistance | 30 ± 10% Ω (25°C) |
| Step Angle | 18°/50 (as marked; confirm with factory) |
| Drive Mode | 2-2 |
| Phase Current | 167 mA |
| No-load Starting Frequency | 800 PPS |
| Gear Reduction Ratio | 1:50 |
| Starting Torque | ≥270 gf·cm / 350 PPS |
| Insulation Dielectric Strength | AC600V, 1s, 1mA |
| Coil Temperature Rise | ≤60K |
| Lead Wire | UL1571 AWG30 |
| Lead Length | 90 ± 10 mm |
| Connector | PH1.25-4Y |
Motor Wiring
The technical drawing identifies four lead-wire colors:
- Yellow
- Black
- Red
- Blue
Please refer to the wiring diagram and confirm the correct connection sequence before installation.
Applications
This motor is suitable for consideration in equipment that requires controlled step-by-step movement and a geared output.
When selecting a motor for your equipment, consider the required voltage, operating speed, torque, drive method and installation dimensions. Please share your equipment requirements with our team so we can help check the appropriate configuration.
Customization & Inquiry
Changzhou Xinghua Electric Co., Ltd. provides motor product information and supports customers with specification checks.
When contacting us, please provide your required voltage, speed, torque, installation dimensions and operating conditions. Our team can review your requirements and help identify a suitable motor configuration.
Contact us for product details and quotations.
Frequently Asked Questions
1. What is the rated voltage of the 15BY45 stepper motor?
The supplied drawing specifies a rated voltage of DC5V.
2. How many phases does this motor have?
The technical drawing specifies a two-phase motor.
3. What is the gear reduction ratio?
The drawing lists a reduction ratio of 1:50.
4. What is the starting torque?
The drawing specifies a starting torque of at least 270 gf·cm at 350 PPS.
5. How many lead wires does the motor use?
The drawing shows four lead wires: yellow, black, red and blue. It also identifies a PH1.25-4Y connector.
6. Is the model code confirmed?
The drawing shows PM15BY45-020-30/50, while this product is identified as 15BY45. Please confirm the exact model code with the factory before ordering.
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