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RHDE250 Electrical ​Rotary Actuator (Contrac)

Brand: ABB Group
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Compact actuator for the operation of final control elements with rotary movement.

For continuous positioning, in explosion-proof design, rated torque 250 Nm (185 lbf-ft).

The actuator thrust rod transfers the force directly to the final control element.
Features
  • Electrical actuator for continuous positioning or step control
  • Stallproof without the need of position or torque dependent switch off
  • Explosion-proof design
  • Three-phase asynchronous motor, hermetically sealed
  • Connection areas with increased safety
  • Sturdy gear unit with highly efficient design
  • Adjustable mechanical limit stops for defined operating range
  • Hand wheel for emergency operation
  • Integrated sensors for position and temperature
  • Signal and power input only via separate, microprocessor-controlled electronic unit

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Specifications

Brand

Rated Speed

  • 10 to 900 s/90°

Operating Angle

  • Minimum 35° / Max. 140°

Operating Mode

  • S9, Stallproof acc. to EN 60034-1

Environmental Protection

  • IP66

Explosion Protection

  • ATEX

Humidity

  • ≤ 95 % Annual Average, No Condensation

Ambient Temperature

  • -30° to 60° C (-20° to 140° F)

Storage / Transport Temperature

  • Long-term Storage: -30° to 40° C (-22° to 104° F)
  • -30° to 60° C (-22° to 140° F)

Mounting Position

  • IMB 3, IMB 6, IMB 7, IMV 6, preferably IMB 3 in accordance with EN 60034-7

Coating

  • 2-Layer Component Epoxy (RAL 9005, Black)

Torque

  • Starting: 1.2 x nominal torque (Break-Away torque in end positions for short time 2 x nominal torque)
  • Nominal: 250 Nm (185 lbf-ft), Adjustable to 0.5, 0.75 or 1 x nominal torque

Supply Voltage

  • 115 Vac (94-130 V) or 230 Vac (190-260 V), 47.5 to 63 Hz, single-Phase

Current Consumption

  • 0.9 A at 230 V
  • 1.8 A at 115 V

Communication

  • Conventional Communication
  • PROFIBUS DP

Documentation

Brochure

Catalog

Certificate

Manual

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