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Description
Sequre Nema 17 Two Phase Servo Stepper MotorSpecifications Product Name: 42 two phase stepper motor Model number : 17HS4401 Step angle : 1. 8 Maximum no load starting frequency : 1400 PPS Rated voltage 3. 6V Maximum no load operating frequency : 4000 PPS Rated current : 1. 5A phase Phase inductance : 3. 7 (1 + 20%) mH Holding torque : 420 mN. m Phase resistance : 2. 4 (1 + 15%) phase Positioning torque : 15 mN. m REF Electric strength : AC600V 1mA 1S Wiring Guide 1. VCC : Connect 12 30V power
Specifications
- Product Name: 42 two-phase stepper motor
- Model number :17HS4401
- Step angle : 1.8 °
- Maximum no-load starting frequency : ≥ 1400 PPS
- Rated voltage 3.6V
- Maximum no-load operating frequency : ≥ 4000 PPS
- Rated current : 1.5A / phase
- Phase inductance :3.7 × (1 + 20%) mH
- Holding torque : ≥420 mN.m
- Phase resistance : 2.4 × (1 + 15%) Ω / phase
- Positioning torque : 15 mN.m REF
- Electric strength : AC600V / 1mA / 1S
Wiring Guide
1. VCC : Connect 12-30V power supply ( Refer to the working voltage of the motor, general 24V )
2. GND: Ground wire
3. CLK : Control signal (Connected to pulse input )
4. DIR: Direction control signal ( Floating forward, ground reverse )
5. ENA: Connect to enable signal ( Default enable, grounding stops working )
6. P2: Connect one phase to the motor on each side ( Refer to the motor parameter description, the motor is divided into two phases AB, pins 1 and 2 are connected to one phase, and pins 3 and 4 are connected to the other phase. )
DIP Switch Operation
DIP switch {ON (1) / OFF (0)}:
- Div1, Div2 control pulse frequency division
(1) 00: 4 subdivision
(2) 10: 8 subdivision
(3) 01:16 subdivision
(4) 11:32 subdivision
- Ctl setting control mode, open-loop / closed-loop
(1) 0 : Open-loop mode
(2) 1 : Closed-loop mode
- AC setting calibration
Turn the AC to position 1, and turn on the power. The LED blinks 3 times to start automatic calibration. The motor shaft rotates counterclockwise for one cycle and then clockwise for one cycle. The system automatic calibration complete and the LED continues to flash. The AC dial returns to position 0, and then restart power.
Kit Contents
- 1 x Stepper motor with control board
- 1 x 6P Connection cable
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 2212 reviews
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Product Reviews
★★★★★ 5
Lovely and sturdy for what I needed!
Size: 3 Set 4-Tier, Planks Not Included, Size: 3 Set 4-Tier, Planks Not Included
We LOVE these shelving brackets! We were moving our books from our office space to turn that room into a nursery and I needed something that would be sturdy and off the floor since my books were moving to our living room. These are extremely sturdy, and also go with our curtain rods and other furniture that has this industrial style. The instructions for assembly are simple and easy to follow, I would just ensure you have an extra set of hands (this isn’t a one person job) we ordered the 3 pack, but ended up only needing the two for the space on the wall and they still hold the weight well.
Also this is a work in progress so please disregard that I don’t have the other two shelves here😂
Definitely a high quality and great looking alternative to some other brackets out there!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 17, 2026
★★★★★ 5
Shelf
Size: 3 Set 3-Tier, Planks Not Included
Bigger than I expected but very sturdy and looks great !
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 5
Takes time to install right.
Size: 3 Pcs 5 Tier, Not included planks, Size: 3 Pcs 5 Tier, Not included planks
Saw a few complaints about this product in the reviews before ordering but gave it a shot anyways. Took a little longer than I would have liked to install, but was only time consuming, not difficult. I made sure at least 2 screws on each base plate were into studs so it's more than sturdy. Hung each of the 3 brackets by 1 screw, marked the rest of the holes, took it back off the wall, installed anchors where needed, and finally screwed each back up fully. And for the people saying that the threads don't line up once snug, try switching out a fitting or pipe so it's a different thread mesh. If that doesn't work, just over tighten the fitting. Furthest one I pushed was nearly 3/4 of a turn past finger tight. I don't have a single loose connection on the whole shelf. My wife can't wait for us to go to lowes tomorrow for the wooden shelves to finish off the bookshelf this will be for her.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 27, 2022
★★★★★ 4
Great product and price
Size: 3 Set 3-Tier, Planks Not Included
Nice quality product Great product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
★★★★★ 5
Worth the money!
Size: 3 Set 3-Tier, Planks Not Included, Size: 3 Set 3-Tier, Planks Not Included
Such a good buy! High quality and easy to assemble. I will warn that hanging them is a little tricky (We read several reviews saying this and thought “they’re just dumb”, we were definitely wrong. I recommend installing/ attaching the middle level of plates first before attaching the tops and bottoms. It just made it easier for us to keep everything level throughout the process) but other than that very happy with this purchase! We hung three 12 inch boards inside and it added SO much storage and looks so nice! Definitely worth the money!
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Reviewed in the United States on August 18, 2025
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