027 04299 009 York Damper Actuator (NMQX24-MFT)

Overview

The York 027 04299 009 (Belimo NMQX24-MFT) is a high-speed, non-spring return damper actuator designed for quick and precise modulation in commercial HVAC systems. Utilizing Belimo’s Multi-Function Technology (MFT), this actuator provides 70 in-lb of torque and is fully programmable, allowing it to adapt to various control signals and application requirements. Its rapid running time makes it ideal for systems requiring fast response, such as laboratory fume hoods or complex air handling units.

Features

• Multi-Function Technology (MFT) enables field programmability of control signals, feedback, and running time
• High-speed motor provides a quick 4-second running time for rapid damper adjustment
• Brushless DC motor technology ensures maintenance-free operation and a long service life
• Electronic overload protection throughout the 0 to 95 degree rotation protects the actuator from damage
• Manual override pushbutton allows for easy testing and manual positioning of the damper
• Universal shaft clamp supports direct mounting to a variety of damper shaft sizes up to 1.05 inches

Specifications

• Torque: 70 in-lb (8 Nm)
• Power Supply: AC/DC 24 V, 50/60 Hz
• Power Consumption: 13 W (Running), 1.5 W (Holding)
• Transformer Sizing: 23 VA
• Control Signal: Programmable (Default 2-10 VDC), supports On/Off, Floating Point, and PWM
• Feedback Signal: 2-10 VDC (Default), programmable
• Running Time: 4 seconds (Default), adjustable between 4 to 16 seconds
• Angle of Rotation: Max 95 degrees, adjustable with mechanical end stops
• Enclosure Rating: NEMA 2, IP54
• Ambient Temperature: -22 to 122 F (-30 to 50 C)

Applications

• High-speed air flow control in laboratory and cleanroom environments
• Proportional modulation of dampers in air handling units and VAV systems
• Fast-acting economizer control for rapid outdoor air adjustment
• Retrofit applications requiring a customizable control interface for older HVAC equipment