Non spring return damper actuators 90 in-lb Torque

Non-spring return (NSR) or non-fail-safe damper actuators are key parts in HVAC systems that control dampers independently without relying on a spring. These electric actuators need continuous power for consistent operation. Because of their design, non-spring return actuators are preferred in applications where the damper's position is expected to maintain itself in case of power failure.
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