Field Instruments

General

Electric motor-driven rotary actuators for open-close control (1-wire SPST)

• 2 Nm nominal torque
• AC/DC 24 V or AC 230 V rated voltage
• Prewired with 0.9 m connecting cable
• Slider for manual adjustment
• Auxiliary switch for auxiliary functions

Features

• For shaft dia 8...15 mm, square 6...11 mm, min. shaft length 20 mm
• With housing made of plastic and 0.9 m connecting cable

Specifications

• Make: Siemens
• Model: GSD121.1A
• Torque: 2 Nm
• Air damper area: 0.3 m²
• Angular rotation: 90°
• Power consumption: 2 VA, 1.5 W
• Positioning time: 30 s
• Cable length: 0.9 m
• Positioning signal: SPST
• 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): 72 x 124 x 63 mm
• Operating voltage: AC/DC 24 V
• Position feedback: None
• Auxiliary switch: 0