Field Instruments

General

Electronic motor driven actuators for two-position, three-position, and modulating control, nominal torque 18 Nm, with spring return, self-centering shaft adapter, mechanically adjustable span between 0...90°, pre-wired with 0.9 m long connection cables.

Type-specific variations with adjustable offset and span for the positioning signal, position indicator, feedback potentiometer and adjustable auxiliary switches for supplementary functions.

Features

• With self-centering shaft adapter for shaft dia. 8..25.6 mm, square 6...18 mm, min. shaft length 20 mm
• With position indication and adjustable mechanical limit stop
• Manual override
• With housing made of die-cast aluminum and 0.9 m connecting cable

Specifications

• Make: Siemens
• Model:
• Torque: 18 Nm
• Air damper area: 3 m²
• Angular rotation: 90°
• Power consumption: 7 VA, 7 W
• Positioning time: Open:90 s, Close:15 s
• Cable length: 0.9 m
• Positioning signal: DC 0...10 V
• Spring return function: Yes
• Degree of protection: IP54
• Ambient temperature, operation: -32…50 °C
• Medium temperature: -32…50 °C
• Ambient humidity, operation: 95 % r.h.
• Dimensions (W x H x D): 100 x 313 x 71 mm
• Operating voltage: AC/DC 24 V
• Position feedback: DC 0...10 V
• Auxiliary switch: 2