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    • Brazil
    • Canada
    • Caribbean, Latin America, and United States

    Europe, Middle East & Africa

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    • Austria
    • Belarus
    • Belgium
    • Bosnia & Herzegovina
    • Bulgaria
    • Croatia
    • Czech Republic
    • Denmark
    • Estonia
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    • France
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    • Germany
    • Greece
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    • South Africa
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    • United Kingdom

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    • China
    • Hong Kong SAR, China
    • India
    • Indonesia
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  • Products

    Actuators

    • SelectPro™ Online (Actuators)
    • Non Fail-Safe Actuators
    • Fail-Safe Actuators
    • Outdoor Protected Actuators
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    • Linear Actuators
    • Fire & Smoke Actuators
    • Airflow Measurement and Control
    • Accessories

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    • SelectPro™ Online (Sensors/Meters)
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    • Outdoor Sensors (Air)
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    • Gas Monitors (Air)
    • Meters (Water)
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    Systems

    • Energy Valve
    • Economizer
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    • Bus Integration
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    • RetroFIT+ Product Replacement Tool
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  1. Home
  2. Damper Actuators

Fail-Safe Damper Actuators | Higher Efficiency Damper Actuators

Belimo damper actuators side by side

Reliability and Safety Performance

Belimo fail-safe damper actuators have a comprehensive torque offering from 22 to 1400 in-lb torque with direct-coupled, rotary, or linear travel that can handle many HVAC applications. Fail-safe actuators use brushless DC motor technology controlled by an Application Specific Integrated Circuit (ASIC) to provide stall protection, lower power consumption, higher efficiency, and smaller transformer sizing. The electronic fail-safe actuators use unique electronics, software, and supercapacitor technology to enable user selection of fail position (0-100%) and delay unnecessary actuator movements during short brownout conditions, avoiding changes in the HVAC building automation system.

  • Damper Actuators Brochure (pdf - 7.86 MB)

Increased Efficiency

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Proven Reliability

ICON_Low-Power-Consumption

Low Power Consumption

ICON_installation-efficiency

Installation Efficiency

Powerful and Reliable Control

Supercapacitors (SuperCaps) are electrochemical condensers with faster response and are more reliable than conventional rechargeable batteries. This modern energy storage technology is now enhancing energy efficiency and the functionality of complex safety solutions around the globe. Belimo has intensively tested and improved the SuperCap technology to equip damper and valve actuators with an innovative electronic fail-safe control function.

Product Range

TSR-IMG_PK_en-us

PKB Series

1400 in-lbs [160 Nm]

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TSR-IMG_GKX-new_en-us

GK Series

360 in-lbs [40 Nm], 90 sq.ft.

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TSR-IMG_EFB-new_en-us

EF Series

270 in-lbs [30 Nm], 66 sq. ft.

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TSR-IMG_AFB-new_en-us

AF Series

180 in-lbs [20 Nm], 45 sq. ft.

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TSR-IMG_AHK-new_en-us

AHK Series

101 lbf [450 N force] 4" stroke

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TSR-IMG_NF-new_en-us

NF Series

90 in-lbs [10 Nm], 22 sq. ft.

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TSR-IMG_NKQ-new_en-us

NKQ Series

54 in-lbs [6 Nm], 12 sq.ft.

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TSR-IMG_LF-new_en-us

LF Series

35 in-lbs [4 Nm], 8.5 sq. ft.

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TSR-IMG_TF-new_en-us

TF Series

22 in-lbs [2.5 Nm], 5.5 sq. ft.

  • Shop Now

Application Guides and Tools

fail safe actuator mounted to a wall

Mounting Methods

Direct-coupled actuators are designed to minimize installation cost by directly coupling to the damper shaft, making actuation the simplest and most reliable method to control airflow in HVAC systems. With the range of damper types and installation methods, many accessories make these actuators even more versatile.

  • Mounting Methods Guide (pdf - 5.19 MB)
new_selectpro

Sizing and Selection

SelectPro is a quick and simple tool for accurately sizing and selecting valves, actuators, sensors, and replacement solutions. Some features include export builder, reference documents, contact profiles, quote generator, and media downloads of your entire schedule.

  • Sizing, Selection & Replacement Tools
  • User Benefits
  • Resources
  • Success Stories
User Benefits

Consulting Engineers

ICON_consulting-engineer

Your analytical skillset makes you an invaluable asset to your organization and though your job is to design systems and operating sequences that meet energy codes to make facilities run more efficiently. You constantly find yourself collecting information and analyzing data when it could be spent looking for new and innovative ways to save energy and improve building performance. Belimo fail-safe damper actuators offer:

  • Brushless DC motor with overload protection ensures longevity and trouble-free service
  • Standard wiring and termination nomenclature is an industry standard understood by installation contractors everywhere
  • Higher efficiency with lower power consumption avoids carbon emissions over the life of the building
  • Customer focused organization with support documentation requirements for plans and specifications

Contractors & Distributors

ICON_contractors-distributors

You need to run a lean and mean operation—however, finding new and effective ways to provide unique solutions to client problems are key to achieving the ultimate goal of increasing profits and growing your business. You feel like far too much of your time is spent diagnosing technical issues and troubleshooting problems for others when it should be spent getting the job done and moving on to the next one. Fail-safe damper actuators provide:

  • Universal clamp fits different shaft sizes to help reduce inventory
  • Clockwise or counter clockwise fail-safe rotation accomadates installation requirements for fail open or fail closed damper position
  • Accessible manual override button to help you pre-tension damper blades quickly
  • Direction of rotation switch allows the actuator travel to match the control signal output
  • Simple, direct coupling reduces labor costs
  • Mechanical end stops to adjust the angle of rotation for added installation flexibility

Building Owners

ICON_bldgowner

Building expansion and tenant improvements are a constant challenge to your facility department and the value of your property. You are having difficulty keeping clients comfortable, identifying ways to optimize your HVAC system, and preserving capital budgets. Fail-safe actuators offer:

  • Showcase your building by utilizing energy efficient products and enhance your ENERGY STAR® certification
  • Electronically protected against overload increases actuator longevity and reducers maintenance cost
  • Low power consumption actuators reduce utility cost
  • Quiet operation with brushless DC motor keeps office spaces aquistically comfortable
  • Reliable and precise actuator positioning for ventilation dampers meets code requirements and keeps occupants comfortable

Facility Managers

ICON_facility-manager

Higher energy prices combined with costly building inefficiencies are making your job more and more difficult to perform. While you should be looking for new and innovative ways to reduce energy consumption and improve facility performance, you’re simply too busy dealing with employees, troubleshooting technical issues, and trying to combat costly problems with more money. Fail-safe damper actuators can:

  • Guarantee minimum torque over entire specified operating range with no loss in performance due to temperature, supply voltage or speed
  • Clockwise or counterclockwise fail-safe rotation accomadates tennant improvement of retrofit installation requirements for fail open or fail closed damper position
  • Provide reliable operation and occupant comfort with increase building performance
  • Easy installation for tenant improvement projects
  • Online technical support and local inventory from controls distributors makes replacement of any damper actuator fast and easy

ESCO

ICON_esco

You are tasked with communicating to organizations how they can save energy and improve performance — but key opportunities are passing you by. Why? Most of your time is spent searching for new product innovations that are backed by proven and reliable energy savings data. Belimo’s fail-safe damper actuators offer:

  • Minimum torque guaranteed over entire specified operating range; no loss in performance due to temperature, supply voltage or speed ensures air distribution system performance
  • Electronically protected against overload decreases maintenance cost
  • Higher efficiency with lower power consumption saves energy cost
  • Reliable and precise actuator positioning for ventilation dampers meets code requirements and reduces the cost of conditioning outdoor air
  • Reliable gear-box holding force keeps dampers closed and reduces costly infiltration of outside air
Resources
ICON_video-on-web

Webinars & Videos

Videos that educate on the benefits and features of Belimo damper actuators and how they improve system performance.

  • Damper Actuator Sizing and Selection
  • Basic Actuator Trouble-Shooting Tips & Tricks
  • Installation of the Belimo Jackshaft Linkage and Actuator
  • Maintaining NEMA 4 when wiring the PR, PK, PM actuators
ICON_case-studies

Tools & Materials

A central location to access product documentation for use in your business needs.

  • Electronic Fail-Safe Actuators with SuperCap Technology (pdf - 3.88 MB)
  • Damper Actuators Guide Specifications (docx - 107 KB)
  • Download Damper Actuator Savings Estimator Tool (xlsm - 1.62 MB)
  • Wiring Guide (pdf - 1.09 MB)
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Training

Belimo University offers a free online comprehensive training on room sensors along with other programs. Training is available online or onsite. 

  • Training
Success Stories
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Cincinnati, United StatesMetropolitan Sewer District

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