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Actuators and Dampers
Actuators and Dampers

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Product Bar End
AF, LF, NF, TF Series

Direct Coupled Actuators Spring Return

The Belimo TF, LF, NF, AF, and EF Series direct coupled actuators provide control of dampers and valves for spring return applications. They come in two-position, tri-state, proportional, and Multi-Function Technology (MFT) models. All include spring return to drive the damper or valve to a "normal" position when power is lost. Unique universal power supply models work with 24 to 240 VAC or 24 to 125 VDC. The new EF Series is true spring return with a high 270 in-lb torque output and most models are available with optional NEMA 4 housing. Dual-mount EF actuators on one shaft is possible, for a total of 540 in-lb.


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Features
  • Symmetrical, reversible rotation design for installation flexibility
  • ISO 9001 manufacturing facility assures high quality
  • New EF Series delivers 270 in-lb of spring return power
  • Some models with NEMA 4 enclosure rating for outdoor locations
  • Low power consumption for high efficiency and smaller transformer sizing
  • MFT models offer flexibility to customize and adapt a single actuator to various controllers and applications
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Specifications

Input Impedance:

 :-SR Models 100 kΩ @ 0/2-10 VDC; 500Ω @ 4-20 mA

 :-MFT Models 100 kΩ @ 0/2-10 VDC; 500Ω @ 4-20 mA; 1500Ω @ PWM, float, on/off

Motor:Brushless DC

Wiring:

 :TF, LF 3' (0.9 m) cable, 18 AWG, plenum rated

 :NF, AF, EF 3' (0.9 m) appliance cable, 18 AWG

 :NEMA 4 Terminal blocks inside housing

Conduit Connection:

 :W/Cables 1/2″ NPT

 :NEMA 4 Four knockouts for waterproof conduit fittings

Feedback:2-10 VDC (-SR and -MFT models only)

Auxiliary Switch:

 :TF, LF (-S) 1 SPDT, 3A @ 250V

 :NF, AF, EF (-S) 2 SPDT, 3A @ 250V

Action:

 :2-Position CW/CCW reversible mounting

 :Float/Prop. DA/RA switch, CW/CCW rev. mt.

Rotation:95°

Manual Override:Manual crank (except TF)

Noise:

 :TF, LF, NF <62 db

 :AF <45 db

 :EF <71.4 db

Resolution:100 steps

Life Expectancy:

 :2-Position 60,000 cycles

 :Float/Prop. 60,000 cycles; 500,000 repositions

Operating Temperature:-22° to 122°F (-30° to 50°C); NEMA 4 models with heater option can go down to -40℉ (-40℃)

Operating Humidity:5 to 95% RH

Enclosure Rating:

 :TF NEMA 2 (IP42)

 :LF, NF, AF, EF NEMA 2 (IP54)

 :NEMA 4 NEMA 4 (IP66)

Approvals:cULus, CE, RoHS

Warranty:5 years

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QtyModelDescriptionIn StockList PriceInternet Price
22965-00001 POINTER NF/AF SQUARE SHAFT INFO5.214.17
AF-CC CONDUIT CONNECTOR AF/NF US COMPL. In Stock20.8616.69
AF120 133 IN-LB SR 120VAC ON/OFF In Stock450.07360.06
AF120-S 133 IN-LB SR 120VAC ON/OFF AUX In Stock529.11423.29
AF24 133 IN-LB SR 24VAC/VDC ON/OFF In Stock402.27321.82
AF24-ECON-R03 133 IN-LB SR 24VAC/VDC 3KOHM INFO551.72441.38
AF24-MFT 133 IN-LB SR 24VAC/VDC 2-10VDC In Stock504.36403.49
AF24-MFT-C 133 IN-LB SR MOD 2-10VDC In Stock519.64415.71
AF24-MFT-S 133 IN-LB SR 24V MOD 2-10VDC AUX INFO631.64505.31
AF24-MFT-S-C 133 IN-LB SR, ACT, CUSTOM CALIBRATED INFO650.78520.62
AF24-MFT-T SR 133 IN-LB (15 Nm), TRI-STATE, 24VAC (P-30001) INFO512.09409.67
AF24-MFT-T-S SR 133 IN-LB (15 Nm), TRI-STATE, 24VAC(P-30001) INFO641.27513.02
AF24-PC 133 IN-LB SR 24VAC/VDC PHASE CUT INFO622.08497.66
AF24-S 133 IN-LB SR 24VAC/VDC ON/OFF AUX In Stock480.46384.37
AF24-SR 133 IN-LB SR 24VAC/VDC 2-10VDC In Stock500.44400.35
AFB24 180 IN-LB SR 24VAC/VDC ON-OFF INFO402.27321.82
AFB24-MFT 180 IN-LB SR 24VAC/VDC 0-10VDC INFO504.36403.49
AFB24-MFT-C 180 IN-LB SR CONFIG, 24 VAC-VDC INFO519.64415.71
AFB24-MFT-C 180 IN-LB SR CONFIG, 24 VAC-VDC INFO519.64415.71
AFB24-MFT-N4 180 IN-LB SR 24VAC/VDC 0-10VDC N4 INFO1,026.10820.88
AFB24-MFT-S 180 IN-LB SR 24VAC/VDC 0-10VDC AUX In Stock631.64505.31
AFB24-MFT-S-C 180 IN-LB SR CONFIG, 24 VAC-VDC, AUX INFO650.78520.62
AFB24-MFT-S-C 180 IN-LB SR CONFIG, 24 VAC-VDC, AUX INFO650.78520.62
AFB24-MFT-S-N4 180 IN-LB SR 24VAC/VDC 0-10VDC AUX N4 INFO1,106.02884.82
AFB24-MFT-S-N4-C 160 IN-LB SR CONFIG, 24 VAC-VDC, AUX, N4 INFO1,139.53911.62
AFB24-MFT-S-N4-C 160 IN-LB SR CONFIG, 24 VAC-VDC, AUX, N4 INFO1,139.53911.62
AFB24-MFT-X1 SPRINGRETURN ACT 24V,MFT, 95°, 20NM INFO498.27398.62
AFB24-MFT95 180 IN-LB SR 24VAC/VDC 0-135OHM In Stock571.70457.36
AFB24-MFT95-N4 160 IN-LB SR 24VAC/VDC 0-135 OHM N4 INFO1,046.08836.86
AFB24-S 180 IN-LB SR 24VAC/VDC ON-OFF AUX INFO480.46384.37
AFBUP 180 IN-LB SR UNIV POWER ON-OFF In Stock450.07360.06
AFBUP-N4 180 IN-LB SR UNIV POWER ON-OFF N4 INFO924.44739.55
AFBUP-S 180 IN-LB SR UNIV POWER ON-OFF AUX In Stock529.11423.29
AFBUP-S-N4 180 IN-LB SR UNIV PWR ON-OFF N4 AUX INFO1,003.52802.82
EFB120 270 IN LB SR 2-POS 120 VAC INFO783.67626.94
EFB120-S 270 IN LB SR 2-POS 120 VAC AUX SW INFO920.96736.77
EFB120-S-N4 270 IN LB SR 2-POS 120 VAC AUX SW/ N INFO1,051.28841.02
EFB24 270 IN LB SR 2-POS 24 VAC/VDC INFO700.27560.22
EFB24-MFT 270 IN LB SR 2-POS/FLT/PROP/PWM 24V INFO962.68770.14
EFB24-MFT-S 270 IN LB SR 2P/FLT/PROP/PWM 24V INFO1,099.93879.94
EFB24-MFT-S-N4 270 IN LB SR 2P/FLT/PROP/PWM 24V INFO1,230.26984.21
EFB24-N4 270 IN LB SR 2-POS 24 VAC/VDC N4 INFO830.59664.47
EFB24-S 270 IN LB SR 2-POS 24 VAC/VDC AUX INFO839.28671.42
EFB24-S-N4 270 IN LB SR 2-POS 24 VAC/VDC AUX N4 INFO969.61775.69
EFB24-SR 270 IN LB SR PROP 24 VAC/VDC INFO874.04699.23
EFB24-SR-N4 270 IN LB SR PROP 24 VAC/VDC N4 INFO1,004.36803.49
EFB24-SR-S 270 IN LB SR PROP 24 VAC/VDC AUX INFO1,011.33809.06
EFB24-SR-S-N4 270 IN LB SR PROP 24 VAC/VDC AUX N4 INFO1,141.65913.32
IND-AFB POSITION INDICATOR FOR AFB, NFB INFO8.696.95
K6-1 CLAMP FOR 1/2in-3/4in LF INFO13.8911.11
K7-2 AFB, NFB STANDARD SHAFT CLAMP INFO22.5818.06
KH-AF-1 JACKSHAFT TO 1.05in, AF/NF INFO39.9631.97
KH-AFB AFB, NFB CRANK ARM FOR 3/4 SHAFTS INFO22.5818.06
KH-LF CRANKARM SHAFTS TO 1/2in LF In Stock20.8616.69
LF-P ANTI ROTATION BRACKET INFO6.965.57
LF120 35 IN-LB. SPRG RET. 2POS 120V INFO306.69245.35
LF120-S SPRING RETURN ACTUATOR, 120V W/AUX SWITC In Stock356.22284.98
LF24 35 IN-LB ON-OFF 24V INFO187.29149.83
LF24-3 35 IN-LB ON-OFF/FLOATING 24V In Stock305.27244.22
LF24-3-S SR 35 IN-LB (4 Nm), TRI-STATE, 24VAC INFO386.65309.32
LF24-MFT 35IN-LB SR CONFIGURABLE CTRL INFO396.89317.51
LF24-MFT-C 35 IN-LB SR CONFIGURABLE CONTROL INFO408.92327.14
LF24-MFT-S 35 IN-LB ACTUATOR INFO396.89317.51
LF24-S 35 IN-LB ON-OFF 24V W/AUX SW In Stock326.67261.34
LF24-SR 35 IN-LB PROPORTIONAL 24V In Stock279.72223.78
NFB24 90 IN-LB SR ON-OFF 24 VAC-VDC In Stock329.28263.42
NFB24-MFT 90 IN-LB SR MOD CONFIG 24 VAC-VDC In Stock489.15391.32
NFB24-MFT-C 90 IN-LB SR MOD CONFIG 24 VAC-VDC INFO503.97403.18
NFB24-MFT-N4 80 IN-LB SR MOD CONFIG 24 VAC-VDC N4 INFO963.52770.82
NFB24-MFT-N4-C 80 IN-LB SR MOD CONF 24VAC/DC N4 CAL INFO963.52770.82
NFB24-MFT-S 90 IN-LB SR MOD CONF 24VAC/DC, AUX INFO568.22454.58
NFB24-MFT-S-C 90 IN-LB SR MOD CONFIG 24 VAC-VDC, AUX SW INFO585.44468.35
NFB24-MFT-S-N4 80 IN-LB SR MOD CONF 24VAC/DC AUX N4 INFO1,042.60834.08
NFB24-N4 80 IN-LB SR ON-OFF 24 VAC-VDC N4 INFO803.68642.94
NFB24-S 90 IN-LB SR ON-OFF 24 VAC-VDC, AUX SW In Stock408.35326.68
NFB24-S-N4 80 IN-LB SR ON-OFF 24 VAC-VDC, AUX SW N4 INFO882.72706.18
NFB24-SR 90 IN-LB SR MOD 24 VAC-VDC In Stock438.78351.02
NFB24-SR-N4 80 IN-LB SR MOD 24 VAC-VDC N4 INFO913.15730.52
NFB24-SR-S 90 IN-LB SR MOD 24 VAC-VDC, AUX SW INFO517.82414.26
NFB24-SR-S-N4 80 IN-LB SR MOD 24 VAC-VDC, AUX SW N4 INFO992.19793.75
NFBUP 90 IN-LB SR ON-OFF 24-240 VAC -125 VDC In Stock371.87297.50
NFBUP-N4 80 IN-LB SR ON-OFF 24-240VAC -125VDC N4 INFO846.25677.00
NFBUP-S 90 IN-LB SR ON-OFF 24-240 VAC -125 VDC INFO451.79361.43
NFBUP-S-N4 80 IN-LB SR ON-OFF 24-240VAC -125VDC N4 INFO926.17740.94
TF120-S SR 18 IN-LB (2 Nm), 2-POS, 120 VAC, 2-WI INFO304.97243.98
TF24 ACTUATOR, ON/OFF,24VAC/DC,18 LB. In Stock221.57177.26
TF24-3 ACTUATOR, FLOATING, 24VAC/DC, 18 LBS. In Stock289.32231.46
TF24-3-S SR 18 IN-LB (2 Nm), TRI-STATE, 24VAC INFO335.36268.29
TF24-MFT SR 18 IN-LB (2 Nm), PROG (2-10VDC defaul INFO359.70287.76
TF24-MFT-C SR 18 IN-LB (2 Nm), PROG (2-10VDC default),24VAC INFO370.60296.48
TF24-S SR 18 IN-LB (2 Nm), 2-POS, 24 VAC, 2-WIR In Stock267.61214.09
TF24-SR ACTUATOR, 2-10 VDC (4-20 Ma), 24VAC/DC, In Stock315.38252.30
TF24-SR-S SR 18 IN-LB (2 Nm), 2-10VDC PROP,24VAC INFO361.43289.14
TFB120 18 IN-LB SR 120V TWO-POS In Stock267.60214.08
TFB120-S 18 IN-LB SR 120V TWO-POS AUX In Stock315.39252.31
TFB120-SR 18 IN-LB SR 120V 2-10VDC AUX INFO364.91291.93
TFB24 18 IN-LB SR 24VAC/VDC TWO-POS In Stock229.37183.50
TFB24-3 18 IN-LB SR 24VAC/VDC TRI-STATE In Stock299.75239.80
TFB24-3-S 18 IN-LB SR 24VAC/VDC TRI-STATE AUX In Stock347.53278.02
TFB24-MFT 18 IN-LB SR 24VAC/VDC 2-10VDC In Stock379.68303.74
TFB24-MFT-S 18 IN-LB SR 24VAC/VDC 2-10VDC AUX In Stock427.46341.97
TFB24-S 18 IN-LB SR 24VAC/VDC TWO-POS AUX In Stock277.16221.73
TFB24-SR 18 IN-LB SR 24VAC/VDC 2-10VDC In Stock326.68261.34
TFB24-SR-S 18 IN-LB SR 24VAC/VDC 2-10VDC AUX In Stock374.47299.58
Z-AF AFB, NFB RETROFIT MOUNTING BRACKET INFO15.6512.52
ZDB-AF2 ANG.ROTATION.LIMITER AF/NF INFO15.6512.52
ZDB-LF ANGLE OF ROTATION LIMITER LF INFO8.696.95
ZDB-LU ANGLE OF ROTATION LIMITER WITH SC INFO11.299.03
ZDB-TF ANGLE OF ROTATION LIMITER TF INFO8.696.95
ZG-113 MOUNTING BRACKET: TF INFO27.8022.24
ZG-118 AFB, NFB U-CHANNEL MOUNTING BRACKET In Stock46.9237.54
ZG-AFB AFB, NFB CRANK ARM AD KIT INC T-BRACKET, In Stock72.1157.69
ZG-AFB118 AFB, NFB CRANK ARM ADAPTER KIT INC ZG-11 INFO69.5155.61
ZG-CBLS CONDUIT BOX COVER FOR LF..-S INFO72.9958.39
ZG-CBNS JUNCTION BOX FOR MOST NF INFO83.4066.72
ZG-ECON1 MOUNTING KIT FOR ECONOMIZER LF INFO75.5960.47
ZG-ECON2 MOUNTING KIT FOR ECONOMIZER LF INFO60.8248.66
ZG-LFC114 MOUNTING KIT FOR TRANE VOYAGER: LF INFO85.1668.13
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Accessories
No accessories found
BELIMO AIRCONTROLS (USA), INC.AF, LF, NF, TF Series
Overall rating 
4.9 / 5
4.9 / 5
Open Ratings Snapshot
Rating breakdown 8 reviews
5 Stars
7
4 Stars
1
3 Stars
0
2 Stars
0
1 Star
0
Ease of Installation 
4.7 / 5
4.7 / 5
Quality / Performance 
4.9 / 5
4.9 / 5
Value 
4.6 / 5
4.6 / 5
7 out of 7(100%)customers recommend this product.
8
8 The Belimo TF, LF, NF, AF, and EF Series direct coupled actuators provide control of dampers and valves for spring return applications. They come in two-position, tri-state, proportional, and Multi-Function Technology (MFT) models. All include spring return to drive the damper or valve to a "normal" position when power is lost. Unique universal power supply models work with 24 to 240 VAC or 24 to 125 VDC. The new EF Series is true spring return with a high 270 in-lb torque output and most models are available with optional NEMA 4 housing. Dual-mount EF actuators on one shaft is possible, for a total of 540 in-lb.
Overall rating 
4.9 / 5
4.9 / 5
Open Ratings Snapshot
Rating breakdown 8 reviews
5 Stars
7
4 Stars
1
3 Stars
0
2 Stars
0
1 Star
0
Ease of Installation 
4.7 / 5
4.7 / 5
Quality / Performance 
4.9 / 5
4.9 / 5
Value 
4.6 / 5
4.6 / 5
7 out of 7(100%)customers recommend this product.
Product reviews
Click on filters to refine your results.
Ratings summary
Overall rating 
4.9 / 5
4.9 / 5
Open Ratings Snapshot
Rating breakdown 8 reviews
5 Stars
7
4 Stars
1
3 Stars
0
2 Stars
0
1 Star
0
Ease of Installation 
4.7 / 5
4.7 / 5
Quality / Performance 
4.9 / 5
4.9 / 5
Value 
4.6 / 5
4.6 / 5
7 out of 7(100%)customers recommend this product.
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Product ReviewsWrite a review
Overall rating 
5 / 5
5 / 5
Belimo Actuators Simply The Best
PostedJanuary 10, 2012
Customer avatar
JWatson1981
 
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from Cape Girardeau, MO
Years of Experience:5-10
Job Function:Other
Ease of Installation 
5 / 5
5 / 5
Quality / Performance 
5 / 5
5 / 5
Value 
5 / 5
5 / 5
I have used Belimo actuators on Valves and Dampers since day one. they work correctly everytime, have a long service life, and the warranty is excellent. Great Product.
My Favorite Feature Service Life
Pros: Good value
Yes, I recommend this product.
0points
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Overall rating 
5 / 5
5 / 5
You can't go wrong with Belimo
PostedDecember 30, 2011
Customer avatar
LasVegas1
 
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from las vegas, nv
Years of Experience:11+
Job Function:Engineering / Design
Belimo actuators are simple to install and provide years of reliable operation. With their many years experience in designing and manufacturing various actuators, Belimo has become the product of choice when you need a product that simply works.
Pros: Good value
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Overall rating 
5 / 5
5 / 5
The Industry leader
PostedOctober 25, 2011
Customer avatar
JohnLoves2Ski
 
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from Seattle WA
Years of Experience:11+
Job Function:Engineering / Design
Ease of Installation 
5 / 5
5 / 5
Quality / Performance 
5 / 5
5 / 5
Value 
4 / 5
4 / 5
Belimo actuators are simply the best you can get. I have used hundreds over the years, and have nothing but good things to say about them.
My Favorite Feature Reliability.
Pros: Good value, Always in stock, super reliable.
Yes, I recommend this product.
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Overall rating 
4 / 5
4 / 5
works great
PostedSeptember 12, 2011
Customer avatar
medhvac
 
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from Tallahassee Fl
Years of Experience:11+
Job Function:Engineering / Design
Ease of Installation 
4 / 5
4 / 5
Quality / Performance 
5 / 5
5 / 5
Value 
3 / 5
3 / 5
We always have good luck with these Beimo products
Pros: Always in stock
Yes, I recommend this product.
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Overall rating 
5 / 5
5 / 5
love this product and sales staff
PostedSeptember 11, 2011
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sugi
 
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from honolulu hawaii
Years of Experience:11+
Job Function:Other
Ease of Installation 
5 / 5
5 / 5
Quality / Performance 
5 / 5
5 / 5
Value 
5 / 5
5 / 5
i found these actuators are very reliable, easy to install even as a retrofit, i have used kele for many years as my supplier and i value their quality, speedy service, knowledgeable staff and of course my customer service staff that are excellent at kele, kudos to kay she has been very responsive and always willing to go that extra mile for her customers. every customer service agent and also special projects customer reps have all been helpful and willing to go that extra step for me, i appreciate all you do for me.. aloha from paradise
Pros: Good value
Yes, I recommend this product.
0points
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