Solar Tracking Motors offer optional onboard inclinometer.

Press Release Summary:

Featuring integrated power and control electronics and fieldbus communication, STM™ All-in-One Brushless DC Motors are available with planetary, worm, or Wormetary™ gearing options. Units can be mounted onto slewing gear and linear actuators provided by third-party partners. Networked in groups of up to 65,535 tracking axes, motors interface directly with main power plant tracking controller, eliminating need for many components found on traditional tracking systems.

Original Press Release:

GEN 4 Solar Tracking Motors with Integrated Electronics and Inclinometer Options

Elgin, IL — Dunkermotoren, a brand of AMETEK Precision Motion Control, has introduced a new series of tracking motors for the solar industry. The newly extended STM™ (Solar Tracker Motor) product line from Dunkermotoren now includes All-in-One brushless DC motors with optional onboard inclinometer and optional direct inclinometer input.

The new options are available on all current STM™ All-in-One brushless DC motors with integrated power and controls electronics, fieldbus communication, with planetary, worm or Wormetary™ gearing options. The motors can be mounted conveniently onto various slewing gear and linear actuator options provided by select third-party partners.

STM™ tracking motors are networked in groups of up to 65,535 tracking axis and interface directly with the main power plant tracking controller, eliminating the need for and costs associated with many components currently found on traditional tracking systems.   

Dunkermotoren’s STM™ tracking motion solutions allow solar tracker manufacturers to achieve lower total system costs, while increasing reliability and reducing down time. Furthermore, power plant operators can reach significantly lower total cost of ownership (TCO) levels, according to Dunkermotoren.

Dunkermotoren is an ISO 9001:2008 and ISO 14001:2004 global manufacturer with operations in Germany, the United States and China. It annually provides more than 3.5 million rotary and linear motion systems for original equipment manufacturers in the building automation, factory automation, transportation, healthcare, life sciences, semiconductor and energy industries.

AMETEK PMC brands include HAYDON KERK linear actuators, rails, guides and splines, drives, motors; NAUTILAIR variable-speed brushless DC combustion blowers; PITTMAN brush and brushless motors, gearboxes, encoders, drives, brakes; ROTRON regenerative blowers, transportation blowers, motors, fans, pumps; WINDJAMMER variable-speed business DC blowers; and DUNKERMOTOREN brush and brushless motors, gearboxes, controllers, linear systems and venetian blind drives. For more information, contact

AMETEK PMC is a division of AMETEK, Inc., a leading global manufacturer of electronic instruments and electromechanical devices with annual sales of more than $3.3 billion.

For further information on Dunkermotoren or its STM solar tracking motor product line, please contact Will Vinson at 224-293-1300, or email at

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