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Woodward MicroNet Board 5501-381is another TMR Power Supply unit that operates on 220 VAC. This model can indicate up to four different faults. The 5501-381 board will be located in the MicroNet TMR Power Supply chassis.



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  • Part Number: 5501-381
  • SKU: 5501381WO
  • Manufacturer: Woodward
  • Series: MicroNet Digital Control

5501-381 Technical Specifications

Model 5009/MicroNet Triple Module Redundant Power Supply
Weight 22 kg (48 lbs) in Chassis
Product Type High Voltage AC
Operating Range 47 to 63 Hz
Chassis MicroNet TMR
Maximum Input Power 1250 VA
Max Input Current 6.7 A
Manual 26167V1 and 26166V2
Input Voltage 220 VAC
Holdup Time 1 cycle @ 220 VAC

Product Description

The 5501-381 board was manufactured by Woodward Inc as part of the MicroNet Digital Control series. This board is another one of the main triple modular redundant (TMR) power supply boards that operate on two hundred and twenty volts of alternating current. This board has specifications that are required to operate this module without any errors or faults occurring, one of which is the maximum input power which is 1250 VA. This board also has a specific input breaker/power fuse breaking which differs from the other TMR power supply boards, this will be a 10 A time delay. 

The location of the 5501-381 board will be in the MicroNet TMR main control power supply chassis which can hold up to two TMR supply boards but when being used together they must be in two separate chassis but connected through ribbon cabling. One primary feature of this board is that it can be replaced hot, being replaced hot means that the control chassis does not have to cease operation when the 5501-381 board is being removed. 

On the front faceplate of the 5501-381 board, there are four LEDs, these four LEDs are as follows input fault, power supply fault, overtemperature, and OK LED. The only green indicator on the board is the OK LED which is turned on to indicate that the power supply is running as needed and no errors or faults have occurred. 

For all information regarding the 5501-381 board please refer to the 26166V2 manual which describes this board or the 26167V1 manual which gives more in-depth information on the function of this board. 

Reviews For 5501-381

Internal Review

The 5501-381 board is the only 220 VAC board out of the TMR main power supply boards, due to the large voltage amount this is also the only high voltage power supply out of the TMR boards. - AX Control Tech Team

Repair Services For 5501-381

Type Lead Time Price Action
Repair Service 1-2 weeks $2647

Our highly skilled technicians can repair your 5501-381. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
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