The MD Series A Type 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
Unit of Measure
| Lead Time1 | Estimated Ship: 05/01/2025 |
Product Line |
- ORIX® |
Fan Type |
- Axial Fan |
Frame Size |
- 3.62 in92 mm |
Thickness |
- 1 in.25 mm |
Power Supply |
- 24 VDC |
Current |
- 0.12 |
Type |
- A Type (with Alarm) |
Function |
- Low Speed Alarm - Electronic |
Connection Type |
- Lead Wire |
Speed (r/min) |
- 3400 |
Max. Air Flow |
- 45.9 CFM 1.3 m3/min |
Max. Static Pressure |
- 0.196 inH2O 49 Pa |
Noise Level |
- 36 dB (A) |
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 500 VAC at 50 Hz or 60 Hz 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. |
Insulation 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 |
- 1900 ± 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 |
- None (External delay circuit is required to prevent alarm detection when starting the fan. The delay time should be 10 sec. min.) |
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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