MEP-4013 Actuator: Tri-State, Non-Failsafe, 24VAC, 40 in-lbs, Feedback PotSKU: MEP-4013
These compact but powerful direct-coupled actuatos provide tri-state or proportional control for small dampers or valves in HVAC systems. A minimum torque of 40 (MEP-40xx) or 80 (MEP-48xx) inch-pounds is available over the 95¬∞ angular rotation.
The MEP-4002/4022/4802/4822 proportional actuator models accept a 2-10 volts DC control signal input from a thermostat, controller, or building automation system. "Anti-jitter" circuitry significantly reduces hunting and needless wear on the actuator and valve packing or damper components (from unnecessary miniscule position changes caused by undamped analog input signals). A user-initiated, auto-mapping feature provides better equipment control by reassigning the 2-10 volts DC input signal range over a reduced rotation range (from 45¬∞ to 95¬∞). These models also feature a switch-selectable, 1-5 or 2-10 volts DC voltage feedback output that is proportional to the actuator position.
The MEP-4001/4003/4013/4021/4801/4813/4821 tri-state/two-position models are designed for use with floating thermostats, controllers, or building automation systems. The MEP-4013/4813 models feature a 10,000 ohm (+/- 10%), three-wire potentiometer feedback output. (The tri-state MEP-4003/4003V do not have two-position functionality or the larger green top enclosure.)
The MEP-4x21/4x22 models also have a fully adjustable, built-in SPDT auxiliary switch, for remote position indication or controller and equipment interface.
MEP-4001V/4002V/4003V actuators have brackets with a patent-pending, quick-mounting mechanism that mounts directly on VFB-43...BC and VFB-46...BC series valve bodies (or VFB-43...BX and VFB-46...BX series with HPO-5074 kit). (See the ‚ÄúV‚Äù Models Valve Cross-Reference section in the data sheet for more information.)
All other MEP-4000s mount directly to 1/4- to 5/8-inch (6 to 16 mm) round shafts or 1/4- to 7/16-inch (6 to 11 mm) square shafts, eliminating the need for expensive and complicated linkages. A non-rotation bracket, to prevent lateral movement, is included with each actuator. A gear disengagement feature allows manual positioning of the actuator.
For fail-safe versions of these actuators, see the MEP-4200/4500/4900 series. See also the modular MEP-4040/4842 and the fast-operating 10 in-lb. MEP-4101.
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MEP-4002V Actuator: Proportional, Non-Failsafe, 24VAC, 40 in-lbs, QuickMount