Specifications

Characteristics

Characteristics Diagram

Characteristics Diagram

Dimensions

Fan

Fan

Exhaust Outlet and Intake Side Dimensions

Exhaust Outlet and Intake Side Dimensions

Filter (Included)

Filter (Included)

Mounting Bracket (Included）

Mounting Bracket (Included）

Data Download

Other Specifications

General Specifications

Item	Specifications
Insulation Resistance	After continuous operation at normal ambient temperature and humidity, the measurement value between the windings and the case is 100 MΩ min. using a 500 VDC megger. (MBD Series: 250 VDC megger, 10 MΩ min. However, 500 VDC megger, 10 MΩ min. for MBD□-48, 48S, MBD□-24A and 24S)
Dielectric Strength	No abnormality is observed even with an application of 1.5 kVAC at 50 Hz between the windings and the case for 1 minute after continuous operation, at normal ambient temperature and humidity. (MBD Series: 50 Hz, 500 VAC, for 1 minute)
Temperature Rise	After continuous operation at normal ambient temperature and humidity, when the temperature becomes constant, the value measured on the surface of the motor case using the thermometer method is as follows. MBS Series: 60 °C max., MB Series: 45 °C max. MBD Series: 15 °C max.
Operating Voltage Range	MBS, MB Series: ±10 % (for each voltage) MBD Series: ±10 % of rated voltage
Thermal Class	MBS Series, MB1665: 130 (B) MB Series (Excluding MB1665): UL/CSA Standards: 105 (A), EN Standards: 120 (E) MBD Series: 120 (E)
Overheat Protection	Built-in Thermal Protector (Automatic Return Type) MBS Series, MB1665: Open: 130±5 °C, Reset: 85±20 °C MB840, MB1040, MB1255: Open: 120±5 °C, Reset: 76±20 °C Impedance Protected: MB520, MB630 Built-in burnout prevention circuit: MBD Series
Operating Ambient Temperature	MBS Series, MB520, MB630 type, MBD Series: -10~+60 °C MB840, MB1040, MB1255, MB1665 type: -10~+50 °C MB10V-B: -10~+40 °C
Operating Ambient Humidity	85 % max. (non-condensing)
Painting Color	Dark gray
Materials	Motor Case: Aluminum die cast Casing: Aluminum die cast Impeller: Aluminum

Low Speed Alarm Specifications

An alarm is output when the cooling fan speed drops to a specific level.
Output method include contact type(MBD Series),non-contact type(MFD Series).

Alarm Specifications

Alarm Activation Speed	MBD8-24A, MBD10-24A, MFD915-24A, MFD915B-24A: 1500±400 r/min MBD12-24A, MFD930-24A, MFD930B-24A: 1300±400 r/min
Output Mode	Photo MOS Relay output
Output Condition	Normal Operation: Output ON,During Alarm Output: Output OFF
Maximum Rating	Maximum Applied Voltage: 30 VDC or less Maximum Inflow Current: 30 mA or less
Delay Function	Built-In Starting Delay Time: 10 sec. max. (The alarm function starts monitoring within 10 seconds after powering on)

Alarm Output Circuit Connection Example

Standards

Hazardous Substances

The product does not contain any substances (10 substances) exceeding the regulation values of the RoHS Directive (2011/65/EU, 2015/863/EU).

For more information about compliance with regulations on chemical substances in Oriental Motor's Products, click here.

System Configuration

Related Products

Thermostat for Fan

Products	Features
AM2-XA1	Features	Automatically operates and stops fans in response to temperature changes in the equipment. This helps improve the equipment's "environmental" performance in terms of energy savings, noise reduction, etc. Setting temperature range 0~+60 °C (setting error ±5 °C) Easy to set temperature with thumbwheel dial Designed for optimal air flow circulation, enabling stable operation Compact size Width 33 mm × Height 70 mm × Depth 42.5 mm *For the number of applicable cooling fans that can be used, click here. Note Cannot be used with three-phase type fans.

Cables and Accessories

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• Specifications
• Characteristics
• Dimensions
• Data Download
• Other Specifications
• Standards
• System Configuration
• Related Products
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