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Multi-turn actuators

Explosion-proof actuators

Auma India Explosion-proof actuators are developed for installation in potentially hazardous or explosive areas, and are suitable for group II gases.

The enclosures of explosion-proof / flameproof actuators are designed in consideration of clauses specified in IS/IEC 60079-1:2007 & the actuators have been tested and certified by CIFMR, Dhanbad.

Design features SAEx(C)

  • Torque range from 30 Nm to 1000 Nm
  • Output speeds from 4 to 180 rpm
  • Limit and torque seating
  • Available with 3-ph AC and 1-ph AC motors 
  • Hand wheel for manual operation
  • Suitable for group II A & II B gases
  • Local controls with lockable selector switch, push-buttons and indication lights
  • LCD display for status indication and programming support
  • Non-intrusive actuator setting and control programming

Design features SAREx(C)

  • Regulating torque range from 30 Nm to 500 Nm
  • Limit and torque seating
  • Available with 3-ph AC and 1-ph AC motors 
  • Hand wheel for manual operation
  • Suitable for group II A & II B gases
  • Local controls with lockable selector switch, push-buttons and indication lights
  • LCD display for status indication and programming support
  • Non-intrusive actuator setting and control programming

Ambient conditions

  • High enclosure protection
  • High quality corrosion protection
  • Wide ambient temperature ranges

Options

  • Intermediate position switches
  • Switches in tandem version
  • Remote position transmitter
  • Space heater
  • Mechanical position indicator
  • Non-intrusive version with absolute encoder
  • Fieldbus control (Profibus DP, Modbus RTU)

Interfaces

  • Electrical connection via AUMA plug & socket connector or terminals
  • Output drive types according to ISO 5210 and DIN 3210 standard
  • Cable glands in different versions:
    • Standard : Metric
    • Optional : BSC, NPT
  • CCOE / PESO approval - IS/IEC 60079-0:2011, IS/IEC 60079-0:2007

Specifications

Key information at a glance

Design features