DIY DC Motor Model Kit for Physics Students & Science Learning
$ 7.85
Description
Product Description Features: This is a simple permanent magnet DC motor model to demonstrate the DC electric motor working principle. It can be taken apart and reassembled, when powered with 3-6V voltage (some user may use 12V battery to test it, that is not advocated). It will rotate like a real electric motor ideal for school scientific projects or physics teaching. Science School Basic Electronic Demo Motor Teaching Project Permanent magnet DC motor model to DC electric motor, simple design easy to assemble and disassembled ideal for school scientific teaching project. DC motor experiment: input 3V - 6V DC through wires and terminals, the coil will rotating, and speed up when voltage step up. To avoid short circuit, two electric brush never touch the commutator segment. Specifications: Permanent magnet: 22*20*20 mm (8.8*8*8 inch) Br ≥ 72 mT, N-pole is red, S-pole is white Working Voltage: DC 3.0V-6.0V Material: Plastic + Metal Magnetic Flux Density: ≥ 72mT Operating Temperature: -20℃~70℃; Operating Humidity: 5%~90% RH; Installed Size: 14x8.7x11 cm (5.51”x3.42”x4.33”). Package include: 1Set DIY Simple DC Electric Motor Model Shipping Returns Contact Us Payment 1. Items sent from US warehouse. 2.Receiving time = Processing time + Shipping time 3. Processing Time: Around 1-2 business Days 4. Shipping Time: 3-5 business day it may have a little delay during some holiday (such as Christmas),any problem ,please feel free to contact 1. 30 days warranty from the purchased date. Please contact us via email before returning the defective item. 2.Our warranty does not extended to any product that are physically damaged or that are not under normal operating conditions as result of misuse or improper installation on the buyer/user's part. 3.Return items should include the original packaging and all accessories. buyers MUST contact us for the returning address. 4.In all cases, buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements. Refund will be made upon receipt of the returned item. Pls contact us if you have any problems,we will try our best to solve for you We accept all verified payment from eBay. Shipping 1. Items sent from US warehouse. 2.Receiving time = Processing time + Shipping time 3. Processing Time: Around 1-2 business Days 4. Shipping Time: 3-5 business day it may have a little delay during some holiday (such as Christmas),any problem ,please feel free to contact Returns 1. 30 days warranty from the purchased date. Please contact us via email before returning the defective item. 2.Our warranty does not extended to any product that are physically damaged or that are not under normal operating conditions as result of misuse or improper installation on the buyer/user's part. 3.Return items should include the original packaging and all accessories. buyers MUST contact us for the returning address. 4.In all cases, buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements. Refund will be made upon receipt of the returned item. Contact Us Pls contact us if you have any problems,we will try our best to solve for you Payment We accept all verified payment from eBay. powered by
Speaker was securely packed and received in perfect condition (new) as described. Shipping time was as stated. Pricing was good and speaker works great. Seller very good to buy from.
Good movement long shipping time but that’s international shipping for you. Movement poorly packaged loose in ziplock bag. Not as described in photo.
Excellent communication! Super fast shipping! Nice quality item! A++++
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