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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


Unit of Measure
Lead Time1 - Contact your local sales office for more information.

Fan Type

- Axial Fan

Frame Size

- 6.77 in172 mm


- 2.01 in.51 mm

Power Supply

- 24 VDC


- 0.70


- Low Speed Alarm - Contact: ON

Connection Type

- Lead Wire

Speed (r/min)

- 3200

Max. Air Flow

- 212 CFM  6 m3/min  

Max. Static Pressure

- 0.55 inH2O  137 Pa  

Noise Level

- 47 db (A)

Fan Kit

- Fan Only

RoHS Compliant

- These products do not contain substances that exceed the regulation values in the RoHS Directive.

Safety Standards


Alarm Type

- Contact

Alarm Activation Speed

- 1800 ± 400 r/min

Output Mode

- Relay output

Output Condition

- Normal operation: Contact ON
Alarm output: Contact OFF

Maximum Rating

- Maximum applied voltage: 30 VDC max.
Maximum current: 30 mA max.

Delay Function

- Built-in starting delay time: 10 sec. max.
(The alarm function starts monitoring within 10 seconds after the power is turned on.)

Circuit Connection

Circuit Connection





  • 1 Quoted Ship Date for orders placed before 12:00 pm PST. Quantities may affect Shipping Date.


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