Field Instruments

General

Siemens Rotary damper actuators are used in ventilation and air conditioning plants to regulate and shut off air dampers:

• For damper areas up to approximately 4 m2 (Guideline: Always comply with the damper manufacturer's specifications).
• Suitable for use with 2-position and 3-position controllers as well as modulating controllers (DC 0/2…10 V) to control air dampers.
• We recommend a minimum pulse length of 500 ms on rotary actuators operated with 3 point control to ensure continuous and accurate operation.

Features

• With self-centering shaft adapter for shaft dia. 8...20.5 mm, square 8...14.5 mm, min. shaft length 20 mm
• With position indication and adjustable mechanical limit stop
• Button for disengaging the gear train to enable manual control
• With housing made of die-cast aluminium and 0.9 m connecting cable

 Specifications

• Make: Siemens
• Model: GEB142.1E
• Torque: 20 Nm
• Air damper area: 4 m²
• Angular rotation: 90°
• Power consumption: 2.3 VA, 1.1 W
• Positioning time: 150 s
• Cable length: 0.9 m
• Positioning signal: 2-position/3-position
• Spring return function: No
• Degree of protection: IP54
• Ambient temperature, operation: -32…50 °C
• Medium temperature: -32…50 °C
• Ambient humidity, operation: 95 % RH.
• Dimensions (W x H x D): 68 x 137 x 59.5 mm
• Operating voltage: AC 24 V, DC 24…48 V
• Position feedback: None
• Auxiliary switch: 0

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