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The MDA series features a built-in alarm circuit that the host controller can recognize if the fan speed drops. This is important for noticing quick drops in the cooling capacity of the fan caused by a service life of the fan or by the ingress of a foreign objects.
- Alarm Type
- Fan kit features axial flow fan, finger guard, connection wire and mounting screws in a single package.
Unit of Measure
| Lead Time1 | Up to 5 pcs as of 6:30am EST Estimated Ship: 07/01/2024 |
Fan Type |
- Axial Flow |
Frame Size |
- 4.69 in119 mm |
Thickness |
- 1 in.25 mm |
Power Supply |
- 12 VDC |
Current |
- 0.63 |
Function |
- Low Speed Alarm - Electronic |
Connection Type |
- Connector |
Speed (r/min) |
- 3000 |
Max. Air Flow |
- 95.3 CFM 2.7 m3/min |
Max. Static Pressure |
- 0.281 inH2O 70 Pa |
Noise Level |
- 46 dB (A) |
Components |
-
MDA1225-12H (Fan Unit) FG12D (Finger Guard) Connection Cable M4 x 40mm (Mounting Screws) |
Fan Kit |
- Fan, Finger Guard, Connection Cable, Mounting Screws |
RoHS Compliant |
- These products do not contain substances that exceed the regulation values in the RoHS Directive. |
Safety Standards |
- UL CE |
CE Marking |
- EMC Directives |
Insulation Resistance |
- 10 MΩ or more when 250 VDC is applied between the windings and the frame after continuous operation under normal ambient temperature and humidity. |
Dielectric Strength |
- Sufficient to withstand 500V at 50Hz applied between the windings and the frame for 1 minute after continuous operation under normal ambient temperature and humidity. |
Temperature Rise |
- 18ºF (10ºC) or less measured by the thermometer method after the temperature of the case has stabilized after continuous operation under normal ambient temperature and humidity. |
Thermal Class |
- UL/CSA Standards: 105 (A), EN Standards: 120 (E) |
Overheat Protection |
- Built-in Overheat Protection Circuit |
Ambient Temperature Range |
- 14ºF ~ 140ºF (-10ºC ~ 60ºC) |
Ambient Humidity |
- 85% or less (noncondensing) |
Alarm Type |
- Electronic |
Alarm Activation Speed |
- 2100 ± 400 r/min |
Output Mode |
- Open-collector output |
Output Condition |
-
Normal operation: L level (Internal transistor ON) Alarm output: H level (Internal transistor OFF) |
Maximum Rating |
-
Maximum Applied Voltage: 30 VDC max. Maximum Inflow Current: 15 mA max. |
Delay Function |
- Built-In Starting Delay Time: 10 sec. max. (The alarm function starts monitoring within 10 sec. after the power is turned on.) |
Circuit Connection |
-
 Circuit Connection |
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- 1 Quoted Ship Date for orders placed before 12:00 pm PST. Quantities may affect Shipping Date.
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