EFB24-SR N4
| Damper Actuator: | Spring, NEMA 4, 270in-lb, 2-10V, 24V |
|---|---|
| List Price: | 1,186.00 USD |
| Model # | EFB24-SR N4 |
Technical Attributes
Documentation
Accessories
| Fail-Safe | Spring Return |
|---|---|
| Torque | 270 in-lb [30 Nm] |
| Control Input | 2-10 VDC |
| Input Impedance | 100 k Ω for 2 to 10 VDC (0.1 mA), 500 Ω for 4 to 20 mA |
| Position Feedback | 2 to 10 VDC, 0.5 mA max |
| Running Time (motor) | 95 seconds |
| Running Time (fail-safe) | < 20 seconds @ -4°F to +122°F [-20°C to +50°C], < 60 sec @ -22°F [-30°C] |
| Auxiliary Switch | -- |
| Power Supply | 24 VAC ± 20%, 50/60 Hz, 24 VDC + 20% / -10% |
| Power Consumption | 8 W,4.5 W |
| Transformer Sizing | 14 VA (class 2 power source) |
| Electrical Connection | terminal block(s) inside junction box with knockouts |
| Overload Protection | electronic throughout 0 to 95° rotation |
| Shaft Diameter | 1/2" to 1.05" round, centers on 3/4" with insert, 1.05" without insert |
| Angle of Rotation | max. 95° (adjustable with mechanical end stop, 35° to 95°) |
| Direction of Rotation (motor) | reversible with built-in switch |
| Direction of Rotation (fail-safe) | reversible with CW/CCW mounting |
| Position Indication | visual indicator, 0° to 95° (0° is full spring return position) |
| Manual Override | 5 mm hex crank (3/16" Allen), supplied |
| Humidity | 100% condensing |
| Ambient Temperature | -22°F to +122°F [-30°C to +50°C] |
| Ambient Temperature (safety) | -- |
| Storage Temperature | -40°F to +176°F [-40°C to +80°C] |
| Noise Level | ≤56.5 dB (A) motor @ 95 seconds, ≤71.4 dB (A) spring return |
| Housing Material | Aluminum die cast and plastic casing |
| Housing | NEMA 4, IP66, UL enclosure type 4 |
| 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 lbs [4.54 kg] |
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