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EFB120-S
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MSRP:
$1,901.00
Price:
$874.46
You Save:
$1,026.54 (54 %)
Personalization
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Actuator Customization180 characters remaining
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Belimo Part Number: EFB120-S Torque: 270 in-lb [30 Nm] Signal: On/Off 2 position control Aux. Contact: Two Built-in SPDT auxiliary switches Power Supply: 100. . . 240 VAC +10% / -20%, 50/60 Hz, 100. . . 125 VDC 10% Running Time (motor): 75 seconds Running Time (fail-safe): <20 sec @ -4 deg.F to +122 deg.F [-20 deg.C to +50 deg.C], <60 sec @ -22 deg.F [-30 deg.C] Fail-Safe | Spring Return | Torque | 270 in-lb [30 Nm] | Control Input | On/Off | Input Impedance | N/A | Position Feedback | -- | Running Time (motor) | 75 seconds | Running Time (fail-safe) | <20 sec @ -4ÃÃÃðF to +122ÃÃÃðF [-20ÃÃÃðC to +50ÃÃÃðC], <60 sec @ -22ÃÃÃðF [-30ÃÃÃðC] | Auxiliary Switch | 2 x SPDT 3A (0.5A) @ 250 VAC, UL approved, one set at +10ÃÃÃð, one adjustable 10ÃÃÃð to 85ÃÃÃð | Power Supply | 24 VAC ÃÃÃñ 20%, 50/60 Hz, 24 VDC +20% / -10% | Power Consumption | Running: 9.5 W; Holding: 4.5 W | Transformer Sizing | 16 VA (Class 2 power source) | Electrical Connection | Two 3 ft, 18 GA appliance cables with 1/2" conduit connectors | Overload Protection | Electronic throughout 0ÃÃÃð to 95ÃÃÃð rotation | Shaft Diameter | 1/2" to 1.05" round, centers on 3/4" with insert, 1.05" without insert | Angle of Rotation | 95ÃÃÃð (adjustable with mechanical end stop, 35 to 95ÃÃÃð) | Direction of Rotation (motor) | Reversible with CW/CCW mounting | Direction of Rotation (fail-safe) | Reversible with CW/CCW mounting | Position Indication | Visual indicator, 0ÃÃÃð to 95ÃÃÃð (0ÃÃÃð is spring return position) | Manual Override | 5 mm hex crank (3/16" Allen), supplied | Humidity | Max. 95% RH non-condensing | Ambient Temperature | -22ÃÃÃðF to +122ÃÃÃðF [-30ÃÃÃðC TO +50ÃÃÃðC] | Ambient Temperature (safety) | -- | Storage Temperature | -40ÃÃÃðF to +176ÃÃÃðF [-40ÃÃÃðC TO +80ÃÃÃðC] | Noise Level | 56.5 dB (A) motor @ 75 seconds, 71.4 dB (A) spring return | Housing Material | Aluminum die cast and plastic casing | Housing | NEMA 2, IP54, Enclosure Type2 | Agency Listing | cULus acc. To UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. To 2004/108/EC & 2006/95/EC | Quality Standards | ISO 9001 | Weight | 10.14 lbs (4.6 kg) | Application For On/Off, fail-safe control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturers specifications. Control is On/Off from an auxiliary contact, or a manual switch. The actuator is mounted directly to a damper shaft up to 1.05 in diameter by means of its universal clamp. A crank arm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft. Operation The EFB and EFX series actuators provide true spring return operation for reliable failsafe application and positive close off on air tight dampers. The spring return system provides constant torque to the damper with, and without, power applied to the actuator. The EFB and EFX series provides 95 of rotation and is provided with a graduated position indicator showing 0 to 95. The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches. The EFB120-S and EFX120-S versions are provided with two built-in auxiliary switches. These SPDT switches provide safety interfacing or signaling, for example, for fan start-up. The switching function at the fail-safe position is fixed at +10, the other switch function is adjustable between +10 to +85. The EFB120, EFB120-S, EFX120 and EFX120-S actuator is shipped at +5 (5 from full fail-safe) to provide automatic compression against damper gaskets for tight shut-off.
Item Number:
EFB120-S
Manufacturer:
Belimo
Manufacturer Part No:
EFB120-S
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