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Small EC Centrifugal Fans And Blowers , Industrial Ventilation Fans Backward Curved

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Small EC Centrifugal Fans And Blowers , Industrial Ventilation Fans Backward Curved

Brand Name : OFAN
Model Number : LD250C-230D3-03
Certification : CE ROHS
Place of Origin : China
MOQ : 1
Price : negotiation
Supply Ability : 10000PCS
power : 130W
Air Flow : 1410m³/h
Rated Speed : 2850RPM
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Electric Power Ec Motor With Ld250c-230d3-03 For Refirgeration


1. motor high efficiency range is big
2. the volume is very compact.
3. motor efficiency is high(>80%)

4. Motor efficiency loss is le

5. motor temperature rise is low


Electrical Protection

3-1Locked-rotor Protection

Over-current limiting circuit protects motor from damage at least for 72 hours

of locked rotor condition at rated voltage.

3-2

Maximum Current

under Locked Rotor


A, Typical inrush current when the motor is trying to re-start under locked rotor conditions is 2~4 times the normal running current

reoccurring and for 16~20% of restarting cycle period.

B, If he CL function is used this restarting inrush current is about the same as

the normal running current.

3-3Reverse Polarity Protection

No damage if the positive and negative leads are reversed under maximum

operation voltage conditions.

3-4Over Voltage Protection

The circuit will be shut down automatically when input voltage over 60VDC.

And re-started when Voltage down to 60VDC below.

3-5Soft Start

In 5 seconds after power on and speed control voltage gets to 1.5V or PWM

duty cycle at 10% above.



Product Tags:

centrifugal ventilation fans

      

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