Oriental Motor

ORIENTAL MOTOR U.S.A. Corp.
570 Alaska Avenue
Torrance, CA 90503
1-800-GO-VEXTA (468-3982)

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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

Specifications

Lead Time1 - {Contact your local sales office for more information.}

Product Line

 - ORIX®

Fan Type

 - Axial Fan

Frame Size

 - 5.51 in

Thickness

 - 2.01 in.

Power Supply

 - 24 VDC

Current

 - 0.70

Type

 - A Type (with Alarm)

Function

 - Low Speed Alarm - Electronic

Connection Type

 - Lead Wire

Speed (r/min)

 - 3150

Max. Air Flow

 - 205 CFM  

Max. Static Pressure

 - 0.521 inH2O  

Noise Level

 - 49 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 500 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

 - 27ºF (15ºC) 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 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


 

 

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