Shenzhen Chengfang Electric Machine Co., Ltd.
Main products:DC Motor FS-5516SH,DC Motor RS-7712SH,DC Motor RS-545SH,DC Motor RS-7912SH,DC Motor FK-280SA
Contact Us
  • Contact Person : Ms. Liu Sammi
  • Company Name : Shenzhen Chengfang Electric Machine Co., Ltd.
  • Tel : 86-0755-33266386
  • Fax : 86-0755-27196322
  • Address : Guangdong,Shenzhen,7th Industrial zone Tianliao, Gongming, Guangming, Shenzhen
  • Country/Region : China
  • Zip : 518132

electric motors,dc motor with 12v ,used for air pump motor and printer motor

electric motors,dc motor with 12v ,used for air pump motor and printer motor
Product Detailed
Cruise control DC motor Weight: Approx.70g Application: Air Pump/Cordless Drill/Cruise control/Prin dia. 27.7 x 37.8 L.

The models we list below are part of our existing designs. We offer specific motor design for every customer. 


Model No.RS-385SHVJ2-1976
Rated voltage12VDC
No LoadSpeed(RPM)8400
At Max EfficiencySpeed(RPM)6824
At stallTorque(mNm)45.1


 Model No. RS-385SH-2940 Rated voltage 12VDC No Load Speed(r/min) 17000 Current(A) 0.32 At Max Efficiency Speed(r/min) 14454 Current(A) 1.82 Torque(mNm) 10.28 Output(W) 15.56 Eff.(%) 71.4 At stall Current(A) 10.3 Torque(mNm) 68.6

Unit Conversion:≈0.098mN.m≈   1mm=0.039in   1g=0.035oz

Cruise control DC motorDimension: φ 27.7 x 37.8 L. shaft O.D. 2.3 mmBasic Structure: SECD housing / Plastic end capApplication: Air Pump/Cordless Drill/Cruiser/PrinterWeight: Approx. 70g


Basic Structure of Chengfang Motors

2-pole statorSr ferrite permanent magnet3, 5, 7, 8, 9, 12,16 slots armatureSilicon-steel lamination with epoxy coatingHigh-carbon steel shaftCu-Ag alloy commutatorCopper-graphite brushesBe-Cu leaf-brush commutating systemSECD round / flat type housingSECD end cap / glassfiber reinforced PA6/6 end capCylinder / self-aligning Cu-Fe alloy sintered bushes155oC (class F) magnet wire

Customized Options

Leadwires with connector / pinsEMI suppression componentsPTC or thermostate protectionBuilt-in AC/DC rectifierBuilt-in cooling fanMultiple output shaftdiamond knurls, straight knurls, D-cut, stepped shaftShaft-mounted gears, eccentric gears, belt pulleysStainless steel (SS304, SS420) shaftBall bearingCage-brush commutating systemPrecious metal brush / commutatorHall encoderLow-cogging torque design180oC (class H), 200oC (class C) magnet wire-40oC ~ 220oC bearing lubricantNeodymium magnets 

electric motors,dc motor with 12v ,used for air pump motor and printer motor

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