12V dc solar fan, desktop fan, rechargeable fan motor

1, Customized performance dc motor, 2,Application: solar fan, desktop fan, rechargeable fan, 3,The ISO/TS16949 certified company - details see: http://www.machineto.com/12v-dc-solar-fan-desktop-fan-rechargeable-fan-motor-10238067
Place of Origin:Guangdong China (Mainland)Brand Name:CF Motor,ChengfangModel Number:RS-540,RS-540H/545HName:fan motor
Weight:Approx. 170gDimension:dia. 35.8 x 50 L. shaft O.D. 3.175 mmApplication:solar fan/ desktop fan/ rechargeable fan 
12V dc solar fan, desktop fan, rechargeable fan motor
contact supplier for 12V dc solar fan, desktop fan, rechargeable fan motor


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

Model No.

Main Performance

Rated Voltage

No Load

At Maximum Efficiency

At Stall

SpeedCurrentSpeedCurrentTorqueOutputEff.CurrentTorque
Vr/minAr/minAg.cmW%Ag.cm
RS-540SH-2122012.0 CONST3,2000.102,6710.42121.83.3666.132.67765
RS-540SH-504712.0 CONST14,3000.4812,6943.8022529.2964.3302000
RS-545SH-2974R12.0 CONST4,6000.153,9700.92183.57.1564.765.71336

Unit Conversion: 1g.cm≈0.098mN.m≈0.014oz.in 1mm=0.039in 1g=0.035oz

Basic Structure of Chengfang Motors

  • 2-pole stator
  • Sr ferrite permanent magnet
  • 3, 5, 7, 8, 9, 12,16 slots armature
  • Silicon-steel lamination with epoxy coating
  • High-carbon steel shaft
  • Cu-Ag alloy commutator
  • Copper-graphite brushes
  • Be-Cu leaf-brush commutating system
  • SECD round / flat type housing
  • SECD end cap / glassfiber reinforced PA6/6 end cap
  • Cylinder / self-aligning Cu-Fe alloy sintered bushes
  • 155oC (class F) magnet wire

Customerized Options

  • Leadwires with connector / pins
  • EMI suppression components
  • PTC or thermostate protection
  • Built-in AC/DC rectifier
  • Built-in cooling fan
  • Multiple output shaft
  • diamond knurls, straight knurls, D-cut, stepped shaft
  • Shaft-mounted gears, essentric gears, belt pulleys
  • Stainless steel (SS304, SS420) shaft
  • Ball bearing
  • Cage-brush commutating system
  • Precious metal brush / commutator
  • Hall encoder
  • Low-cogging torque design
  • 180oC (class H), 200oC (class C) magnet wire
  • -40oC ~ 220oC bearing lubricant
  • Neodymium magnets

Packaging Detail:1' international standard packaging2' our customers'standard packaging3' our company's standard packaging
Delivery Detail:less than 30 days

Related Product for 12V dc solar fan, desktop fan, rechargeable fan motor