Shipping delay: 1-2 weeks*
*If purchased with insulated damper, take the damper shipping delay.
The actuators provide true spring return operation for reliable fail-safe
application and positive close off on air tight dampers. The spring return system
provides consistent torque to the damper with, and without, power applied to the
The actuator provides 95° of rotation and is provided with a graduated position
indicator showing 0° to 95°.
The actuator may be stalled anywhere in its normal rotation without the need of
mechanical end switches. Power consumption is reduced in holding mode. The
actuator is double insulated so an electrical ground connection is not necessary.
The -S versions are provided with one built-in auxiliary
switch. This SPDT switch is provided for safety interfacing or signaling, for example,
for fan start-up. The switching function is adjustable between 0° and 95.
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