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3 year warranty

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Board 5501-370 is designed as a 5009/MicroNet TMR Power Supply. This unit runs on a supply of 24 VDC and requires a fixed wiring installation. When the 5501-370 board has been mounted in the TMR Power Supply Chassis there will be two redundant TMR units per chassis.



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  • Part Number: 5501-370
  • SKU: 5501370WO
  • Manufacturer: Woodward
  • Series: MicroNet Digital Control

5501-370 Technical Specifications

Product Type Power Supply Board
Chassis TMR Power Supply
Maximum Current 32 A
Max. Power 576 W
Manual 26167V1 and 26166V2
Input Voltage 24 VDC
Holdup Time 5 ms @ 24 VDC

Product Description

Produced by Woodward Inc as part of the MicroNet Digital Controller series board 5501-370 is a 5009/MicroNet TMR Power Supply that operates at twenty-four volts of direct current. When inserted the main chassis for this board will be the TMR Power Supply Chassis, typically up to two redundant power supply modules will be used per chassis. This module will also be connected to a Kernel power supply module and this board will provide the power to the Kernel unit. 

The 5501-370 board will run on redundant power supplies and has the capability to share circuitry to allow for balances, these balances will improve the reliability of the power supply as well as reduce heat. One primary feature of this board is the ability to be replaced hot without interrupting the operating system of the control. This board has specific wiring installations that are required if being used with AC applications. Please note that the power supplies on the control do not have any type of power switch, due to this a multitude of ways to disconnect power from each of the main power sources so servicing and installation can occur seamlessly. 

The 5501-370 board has four main LEDs which are as follows, power supply fault, OK LED, overtemperature, and input fault. Each individual LED has a different description and function, the main function of the power supply fault LED is to indicate when one of the four main power converters has shut down or failed, when one of them has shut down it will light up red. To fix this problem remove the short circuit, once the circuit is removed the supply will function as normal. 

Reviews For 5501-370

Internal Review

This board is only used on a power supply of twenty-four volts of direct current. This model has CSA, CE (EMC) ABS, DNV, and LRS standards. For more information on this device refer to the MicroNet TMR 26167V1 manual. - AX Control Technician

Repair Services For 5501-370

Type Lead Time Price Action
Repair Service 1-2 weeks $2760

Our highly skilled technicians can repair your 5501-370. 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.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
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