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The arrow direction always indicates the switching position (S1-S2 or S1-S3). If the auxiliary switch should switch in the opposite direction, rotate the auxiliary switch rotary knob by 180°. Alternatively the switching position can be checked with a continuity tester on the cable of the auxiliary switch. Release (or disengage) button 1. 4 ...
The auxiliary switch unit is used for signaling the position or for exercising switching functions in any given angle setting. The auxiliary switches are attached directly by the shaft clamp (damper actuators) or on the position indication (rotary actuators). The guiding grooves between the housing and the switch ensure a tightly sealing fit.
GENERAL. This non-spring return direct-coupled damper actuator provides floating and two-position control for: air dampers, VAV units, air handlers, ventilation flaps, louvers, and. reliable control for air damper applications with up to.
The internal end switches are set to switch from "common" to "normally open" at angles of 7° ( 3°) and 85° ( 3°), respectively, from the totally counterclockwise position.
Damper actuator for adjusting dampers in technical building installations. Air damper size up to approx. 2 m2. Torque motor 10 Nm. Nominal voltage AC 100...240 V. Control Open/close, 3-point. with integrated auxiliary switch.
Technical data sheet SF24A-S2Spring return actuator with emergency function for adjusting air dampers in ventilation and air con. For air dampers up to approx. 4 m2. Torque 20 Nm. Nominal voltage AC/DC 24 V. Control: Open-close.
The arrow direction always indicates the switching position (S1-S2 or S1-S3). If the auxiliary switch should switch in the opposite direction, rotate the auxiliary switch rotary knob by 180°. Alternatively the switching position can be checked with a continuity tester on the cable of the auxiliary switch. Release (or disengage) button 1. 4 ...
