Oriental Motor

ORIENTAL MOTOR U.S.A. Corp.
1001 Knox Street
Torrance, CA 90502
1-800-GO-VEXTA (468-3982)

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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.

 

Fan Kit

Unit of Measure

Specifications

Fan Type

 - Axial Flow

Frame Size

 - 6.77 in

Thickness

 - 2.01 in.

Power Supply

 - 24 VDC

Current

 - 0.70

Function

 - Low Speed Alarm - Electronic

Connection Type

 - Connector

Speed (r/min)

 - 3200

Max. Air Flow

 - 212 CFM  

Max. Static Pressure

 - 0.55 inH2O  

Noise Level

 - 47 db (A)

Components

 - MDA1751-24H (Fan Unit)
FG17D (Finger Guard)
Connection Cable
M4 x 70mm (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

 - IEC UL CSA EN CE

CE Marking

 - EMC Directives

Alarm Specifications

Alarm Type

 - Electronic

Alarm Activation Speed

 - 1800 ± 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

Dimensions


 

Airflow


 

Connection


 

System