Should I choose BLDC or PMDC for my planetary gearmotor?

BLDC planetary gearmotors offer smooth, quiet, maintenance-free operation ideal for continuous-duty applications. PMDC planetary gearmotors provide cost-effective, dependable performance with straightforward two-wire control.

How do I specify a planetary DC gearmotor?

Specify motor outer diameter, motor type, rated voltage, output power, output speed, gearbox dimension, input shaft type (ZPN helical), and desired gear ratio. Contact SEI for model selection assistance.

Products

Planetary DC Gearmotors

Our Round Helical Planetary Gearmotors can be combined with a BLDC or PMDC motor to deliver powerful torque and low noise for numerous applications. The high-efficiency BLDC motor offers smooth, quiet operation and maintenance-free performance, while the PMDC motor offers a cost-effective, dependable, straightforward motion control.

With options for custom shafts, mounting configurations, gear ratios, and electrical specifications, we ensure you get the exact performance your application requires. Reliable, versatile, and engineered for all applications.

Request a Quote call(408) 980-9822

Key Features

check_circleRound helical planetary gearbox for high torque and low noise
check_circleBLDC motor option for smooth, maintenance-free operation
check_circlePMDC motor option for cost-effective, dependable control
check_circleFrame sizes from 32mm through 82mm
check_circleOutput power from 20W through 300W
check_circleCustom shafts, mounting, gear ratios, and electrical specifications

Configuration Options

settingsHelical planetary reduction with ZPN input shaft
settingsBLDC or PMDC motor pairing
settingsCustom gear ratios (example catalog ratio: 303:1)
settingsCustom shafts, mounting configurations, and electrical specifications
settingsMotor model selection by outer diameter, type, voltage, power, and speed

Applications

Robotics and automated mechanisms
Industrial automation and conveyors
Medical and laboratory equipment
Packaging and material handling
Mobile platforms requiring compact high-torque drives

Ordering Information - Motor

arrow_rightModel
arrow_rightOuter diameter of motor in mm
arrow_rightMotor type with matching planetary gearbox
arrow_rightRated voltage for the motor (example: 12 = 12V, 24 = 24V)
arrow_rightRated output power for the motor (example: 40 = 40W, 60 = 60W)
arrow_rightRated output speed for the motor

Ordering Information - Gearbox

arrow_rightGearbox external dimension
arrow_rightGearbox input shaft: ZPN, helical gear
arrow_rightGear ratio (example: 303:1)

FAQ

Should I choose BLDC or PMDC for my planetary gearmotor?: BLDC planetary gearmotors offer smooth, quiet, maintenance-free operation ideal for continuous-duty applications. PMDC planetary gearmotors provide cost-effective, dependable performance with straightforward two-wire control.
How do I specify a planetary DC gearmotor?: Specify motor outer diameter, motor type, rated voltage, output power, output speed, gearbox dimension, input shaft type (ZPN helical), and desired gear ratio. Contact SEI for model selection assistance.