• EF Series - Spring Return Damper Actuators Belimo
  • EF Series - Spring Return Damper Actuators Belimo
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EF Series - Spring Return Damper Actuators Belimo

Torque 270 in-lbs [30 Nm]
Damper Area up to 66 sq. ft

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Symbol Belimo Americas
Profile: Manufacturer
Headquarters: US
Establishment date: 1975
Business area: the United States, Canada, Brazil, Latin America and the Caribbean
Capital group: Belimo Holding AG
Warranty: 5 years
Assortment: Damper actuators, Control valves
EFB120 - 1
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EFB120-S - 1
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EFB120-S N4 - 1
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EFB24 - 1
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EFB24 N4 - 1
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EFB24-MFT - 1
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EFB24-MFT-S - 1
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EFB24-MFT-S N4 - 1
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EFB24-S - 1
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EFB24-S N4 - 1
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EFB24-SR - 1
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EFB24-SR N4 - 1
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EFB24-SR-S - 1
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EFB24-SR-S N4 - 1
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EFCX120-S N4 - 1
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EFCX24-S N4 - 1
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EFX120 - 1
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EFX120-S - 1
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EFX120-S N4 - 1
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EFX120-S N4H - 1
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EFX120-SR N4 - 1
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EFX120-SR-S N4 - 1
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EFX24 - 1
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EFX24-MFT - 1
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EFX24-MFT-S - 1
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EFX24-MFT-S N4 - 1
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EFX24-MFT-S N4H - 1
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EFX24-S - 1
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EFX24-S N4 - 1
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EFX24-S N4H - 1
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EFX24-SR - 1
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EFX24-SR-S - 1
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EFX24-SR-S N4 - 1
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EFX24-SR-S N4H - 1
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Product descritipion

Spring Return Damper Actuators

  • Comprehensive torque offering (22 in-lbs to 270 in-lbs) over a vast selection of actuators for a wide range of applications.
  • True mechanical spring return, providing reliable fail-safe.
  • Manual override crank eases installation (all EF, AF and NF series only).
  • Low power consumption provides higher efficiency and smaller transformer sizing.
  • Minimum torque guaranteed over entire specified operating range, no loss in performance due to temperature or supply voltage.
  • MFT is available in all spring return actuators, giving the user the flexibility to customize and
    adapt a single actuator to various controllers and applications.

Applications

Belimo actuators are designed for use in a wide variety of HVAC damper applications. With our comprehensive torque range and the ability to direct mount on standard damper shafts or jackshafts, solutions are available for control dampers, air handlers, economizer units, VAV terminal units, fan coil units, fan shutters and unit ventilators.

 

270 in-lbs (EF Series)

The EF spring return actuator utilizes rugged components in a pressure cast aluminum housing for added strength and reliability. It offers a high torque output of 270 in-lbs and a NEMA 4 option to meet tough environmental conditions found in many HVAC applications.
270 in-lbs [30 Nm]

Approximately 66 square feet
Run time 60…150 seconds
Spring Return <20 seconds

Torque 270 in-lbs [30 Nm]
Damper Area up to 66 sq. ft

 

Model # (Description) Power Supply Control Input Torque Auxiliary Switch
EFB120 
Damper Actuator,270 in-lb,Spring Return,100 to 240V,On/Off
100...240 VAC +10% / -20%, 50/60 Hz, 100…125 VDC ± 10% On/Off 270 in-lbs [30 Nm] minimum  
EFB120-S 
Damper Actuator,270 in-lb,Spring Return,100 to 240V,On/Off,SW
100...240 VAC +10% / -20%, 50/60 Hz, 100…125 VDC ± 10% On/Off 270 in-lbs [30 Nm] minimum 2 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, one set at +10°, one adjustable 10° to 85°
EFB120-S N4 
Damper Actuator,270 in-lb,Spring Return,100 to 240V,On/Off,SW,NEMA 4
100...240 VAC +10% / -20%, 50/60 Hz, 100…125 VDC ± 10% On/Off 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°
EFB24 
Damper Actuator,270 in-lb,Spring Return,24V,On/Off
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% On/Off 270 in-lbs [30 Nm] minimum  
EFB24 N4 
Damper Actuator,270 in-lb,Spring Return,24V,On/Off,NEMA 4
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% On/Off 270 in-lbs [30 Nm] minimum  
EFB24-MFT 
Damper Actuator,270 in-lb,Spring Return,24V,MFT
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% MFT (Configurable) 270 in-lbs [30 Nm] minimum  
EFB24-MFT-S 
Damper Actuator,270 in-lb,Spring Return,24V,MFT,SW
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% MFT (Configurable) 270 in-lbs [30 Nm] minimum 2 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, one set at +10°, one adjustable 10° to 85°
EFB24-MFT-S N4 
Damper Actuator,270 in-lb,Spring Return,24V,MFT,SW,NEMA 4
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% MFT (Configurable) 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°
EFB24-S 
Damper Actuator,270 in-lb,Spring Return,24V,On/Off,SW
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% On/Off 270 in-lbs [30 Nm] minimum 2 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, one set at +10°, one adjustable 10° to 85°
EFB24-S N4 
Damper Actuator,270 in-lb,Spring Return,24V,On/Off,SW,NEMA 4
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% On/Off 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°
EFB24-SR 
Damper Actuator,270 in-lb,Spring Return,24V,Modulating
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% 2-10 VDC 270 in-lbs [30 Nm] minimum  
EFB24-SR N4 
Damper Actuator,270 in-lb,Spring Return,24V,Modulating,NEMA 4
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% 2-10 VDC 270 in-lbs [30 Nm] minimum  
EFB24-SR-S 
Damper Actuator,270 in-lb,Spring Return,24V,Modulating,SW
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% 2-10 VDC 270 in-lbs [30 Nm] minimum 2 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, one set at +10°, one adjustable 10° to 85°
EFB24-SR-S N4 
Damper Actuator,270 in-lb,Spring Return,24V,Modulating,SW,NEMA 4
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% 2-10 VDC 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°
EFCX120-S N4 
Damper Actuator,270 in-lb,Spring Return,100 to 240V,On/Off,SW,NEMA 4
100...240 VAC +10% / -20%, 50/60 Hz, 100…125 VDC ± 10% On/Off 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°
EFCX24-S N4 
Damper Actuator,270 in-lb,Spring Return,24V,On/Off,SW,NEMA 4
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% On/Off 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°
EFX120 
Damper Actuator,270 in-lb,Spring Return,100 to 240V,On/Off
100...240 VAC +10% / -20%, 50/60 Hz, 100…125 VDC ± 10% On/Off 270 in-lbs [30 Nm] minimum  
EFX120-S 
Damper Actuator,270 in-lb,Spring Return,100 to 240V,On/Off,SW
100...240 VAC +10% / -20%, 50/60 Hz, 100…125 VDC ± 10% On/Off 270 in-lbs [30 Nm] minimum 2 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, one set at +10°, one adjustable 10° to 85°
EFX120-S N4 
Damper Actuator,270 in-lb,Spring Return,100 to 240V,On/Off,SW,NEMA 4
100...240 VAC +10% / -20%, 50/60 Hz, 100…125 VDC ± 10% On/Off 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°
EFX120-S N4H 
Damper Actuator,270 in-lb,Spring Return,100 to 240V,On/Off,SW,NEMA 4H
100...240 VAC +10% / -20%, 50/60 Hz, 100…125 VDC ± 10% On/Off 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°
EFX120-SR N4 
Damper Actuator,270 in-lb,Spring Return,100 to 240V,Modulating,NEMA 4
100...240 VAC +10% / -20%, 50/60 Hz, 100…125 VDC ± 10% 2-10 VDC 270 in-lbs [30 Nm] minimum  
EFX120-SR-S N4 
Damper Actuator,270 in-lb,Spring Return,100 to 240V,Modulating,SW,NEMA 4
100...240 VAC +10% / -20%, 50/60 Hz, 100…125 VDC ± 10% 2-10 VDC 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°
EFX24 
Damper Actuator,270 in-lb,Spring Return,24V,On/Off
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% On/Off 270 in-lbs [30 Nm] minimum  
EFX24-MFT 
Damper Actuator,270 in-lb,Spring Return,24V,MFT
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% MFT (Configurable) 270 in-lbs [30 Nm] minimum  
EFX24-MFT-S 
Damper Actuator,270 in-lb,Spring Return,24V,MFT,SW
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% MFT (Configurable) 270 in-lbs [30 Nm] minimum 2 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, one set at +10°, one adjustable 10° to 85°
EFX24-MFT-S N4 
Damper Actuator,270 in-lb,Spring Return,24V,MFT,SW,NEMA 4
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% MFT (Configurable) 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°
EFX24-MFT-S N4H 
Damper Actuator,270 in-lb,Spring Return,24V,MFT,SW,NEMA 4H
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% MFT (Configurable) 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°
EFX24-S 
Damper Actuator,270 in-lb,Spring Return,24V,On/Off,SW
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% On/Off 270 in-lbs [30 Nm] minimum 2 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, one set at +10°, one adjustable 10° to 85°
EFX24-S N4 
Damper Actuator,270 in-lb,Spring Return,24V,On/Off,SW,NEMA 4
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% On/Off 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°
EFX24-S N4H 
Damper Actuator,270 in-lb,Spring Return,24V,On/Off,SW,NEMA 4H
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% On/Off 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°
EFX24-SR 
Damper Actuator,270 in-lb,Spring Return,24V,Modulating
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% 2-10 VDC 270 in-lbs [30 Nm] minimum  
EFX24-SR-S 
Damper Actuator,270 in-lb,Spring Return,24V,Modulating,SW
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% 2-10 VDC 270 in-lbs [30 Nm] minimum 2 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, one set at +10°, one adjustable 10° to 85°
EFX24-SR-S N4 
Damper Actuator,270 in-lb,Spring Return,24V,Modulating,SW,NEMA 4
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% 2-10 VDC 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°
EFX24-SR-S N4H 
Damper Actuator,270 in-lb,Spring Return,24V,Modulating,SW,NEMA 4H
24 VAC±20%, 50/60Hz, 24 VDC+20%/-10% 2-10 VDC 270 in-lbs [30 Nm] minimum 2 x SPDT 3A resistive (0.5A inductive) @ 250 VAC, one set at +10° and one set at 85°

 

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