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Contrac Electric Linear Or Rotary Actuators

About Contrac Electric Linear Or Rotary Actuators

ABB Contrac compact electric actuator is designed for the operation of linear or rotary dampers and valves. The Contrac series excel where exact control and speed can improve efficiency and reduce cost.

Technical Specifications
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Data sheet Rotary actuator
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Data sheet Linear actuator
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Description

ABB Contrac compact electric actuator is designed for the operation of linear or rotary dampers and valves. The Contrac series excel where exact control and speed can improve efficiency and reduce cost.

Rotary electric actuators. The PME/RHD series are rated from 100 Nm to 16 000 Nm. A lever and linkage bar assembly is available when direct mounting is not available.

Linear electric actuators. The LME/RSD series are rated from 4 kN all the way up to 100 kN. The internal conversion of rotary to linear movement is done with minimal wear and the thrust rod transfers torque directly to the final control element.

They features oil-lubricated spur gear with drive shaft supported by ball bearings. They are designed for maintenance-free reliable operations for 10 years if used inside its specifications. However, special operating conditions like extreme ambient temperatures may limit the service life of elastomers and lubricants. As a result, the integrated maintenance microprocessor may in some cases recommend a maintenance operation after less than 10 years.

Comparison required maintenance instance of one electrical actuator in 10 years operating time

Competitor Contrac
Demand control
Simple
Medium High Simple Medium High
Switching rate in cycles/h
300
700
>1200 300 700 >1200
Required maintenance instance*
7.2
15.4
Not possible 1 1 2
*according to competitor data sheet

 

Electronic units available for either field mount or rack mounting.

Find out more about the electronic units:

Field installation EAN823
Mounting rack installation EAS822

Features
  • • With integrated electronic unit or for use with separate electronic unit
  • • Electrical actuator for continuous positioning or step control
  • • Stallproof without the need of position or torque dependent switch-off
  • • Three-phase asynchronous motor
  • • Sturdy gear unit with highly efficient design
  • • Internal rotary - linear conversion
  • • Hand wheel for emergency operation
  • • Integrated sensors for position and temperature
Downloads
Intelligent electrical actuators for process automation applications
Electrical actuators for positioning valves