MEP-4002V | Valve Actuator | 40 in-lb | Non-Spring Return | 24V | Modulating | KMC
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Brand: KMCSKU: MEP-4002V

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MEP-4002V | Valve Actuator | 40 in-lb | Non-Spring Return | 24V | Modulating | KMC

KMC | MEP-4002V
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Details for MEP-4002V

Valve Actuator | 40 in-lb | Non-Spring Return | 24V | Modulating

Description and Application

These compact but powerful, direct-coupled (nonfail-safe) ControlSet® actuators provide tri-state/twoposition or proportional control for small dampers or valves in HVAC systems. A minimum torque of 40 (MEP-40xx) or 80 (MEP-48xx) in-lb. is available over the 95° angular rotation. MEP-4xx2 proportional models accept a 2–10 or 0–10 VDC control signal input from a thermostat or controller. “Anti-jitter” circuitry significantly reduces hunting and needless wear (from unnecessary miniscule position changes caused by undamped analog input signals) on the actuator and valve packing or damper components. A user-initiated, auto-mapping feature provides more precise equipment control by reassigning the input signal range (and feedback signal) over a reduced rotation range (from 45° to 95°). These models also feature a switchselectable, 1–5 or 2–10 (or 0–5 or 0–10) VDC voltage feedback output that is proportional to the actuator position. MEP-4xx1/4xx3 tri-state/two-position (three-wire) models are designed for use with floating thermostats, controllers, or building automation systems. The MEP-4x13 models feature a 10K 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.) 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 patented quick-mounting mechanism. See (Quick-Mounting) “V” Models Valve Cross-Reference on page 4 for more information. All other actuators 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 button allows manual positioning of the actuator


  • MEP-4xx2 proportional models include “antijitter” circuitry, optional auto-mapping of the full input signal range over a reduced actuator stroke, and selectable input and feedback voltage range
  • MEP-4xx1/4xx3 tri-state/two-position (three-wire) models available (tri-state only on MEP-4003) 
  • Fully adjustable, built-in auxiliary switch on selected models 
  • Removable terminals and removable 1/2-inch NPS conduit fitting (except the MEP-4003)
  • Direct mounting to standard shaft sizes
  • Gear disengagement button and adjustable mechanical end stop
  • Patented quick-mounting valve


Item Number MEP-4002V
Brand KMC
Actuator Type Electric
Actuator Type Valve
Brand KMC Controls
Control Input 0-10 VDC | 2-10 VDC
Control Input Modulating
Fail-Safe No
Input Types Proportional
Mounting Quickmount
Normality (Fail) Fail In Place
Power Supply 24 VAC
Selection Guide Actuator-Only
Spring Return Non-Spring Return
Timing (sec) 90
Torque 40 in-lb
Voltage 24V

Documents and manuals

KMC MEP-4002V Documents


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