5437-1081

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Woodward's Individual Relay 5437-1081 High-Voltage/High-Voltage Spare Module for ProTech models 8237-1245, -1368. The ProTech-GII is an overspeed safety device designed to safely shut down steam, gas, and hydro turbines of all sizes upon sensing an overspeed or overacceleration event.

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Sell Surplus: Have a 5437-1081 to sell? Sell Now
Exchange Credit: Learn more about our exchange credit program
  • Part Number: 5437-1081
  • SKU: 54371081WO
  • Manufacturer: Woodward
  • Series: ProTech-GII Overspeed Protection

5437-1081

    Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures
  • 5.00 (3)
  • Click a star to rate this product
    Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures
  • 5.00 (3)
  • Click a star to rate this product
Woodward's Individual Relay 5437-1081 High-Voltage/High-Voltage Spare Module for ProTech models 8237-1245, -1368. The ProTech-GII is an overspeed safety device designed to safely shut down steam, gas, and hydro turbines of all sizes upon sensing an overspeed or overacceleration event.

AVAILABILITY:

CALL FOR AVAILABILITY

3 Year Warranty: Learn More
Sell Surplus: Have a 5437-1081 to sell? Sell Now
Exchange Credit: Learn more about our exchange credit program
  • Part Number: 5437-1081
  • SKU: 54371081WO
  • Manufacturer: Woodward
  • Series: ProTech-GII Overspeed Protection

5437-1081 Technical Specifications

Enclosure Type IP56 when installed properly in enclosure/cabinet
External Dimensions (in) 10L X 5W X 3D
Operating Temperature -20 to +60 °C (-4 to +140 °F)
Pollution Degree 2 (per IEC 60664-1)
Relative Humidity Standards Up to 95% (non-condensing)
Storage Temperature -20 to +65 °C (-4 to +158 °F)
Vibration Resistance 0.04 G2/Hz, 1.04 Grms, 10 to 500 Hz

Product Description

Model 5437-1081 is a Spare Module for ProTech models 8237-1245 and -1368. It is part of the ProTech-GII series of Overspeed/Over-Acceleration devices from Woodward and fits any size of hydro, steam, or gas turbine. In the event of system faults, this product will safely shut down the system. This product performs routine tests to make sure each module is functioning properly. The product is an individual unit for triple redundant modular designs, with A, B, and C modules. This makes it possible to replace or repair one unit while the others are powered on and running. 

Speed readouts for this device are between 4 and 20 mA, and it uses Modbus communication relays. In addition to acceleration detection, model 5437-1081 also uses MPU detection.

Unit 5437-1081 has been discontinued by Woodward, but can still be found here at AX Control Inc. We are able to buy and sell, as well as repair, this product. Contact our Sales Team Today for a Free Quote at:

Reviews For 5437-1081
Internal Review

The downside of the 5437-1081 has little to do with the functionality of the board as it has a low failure rate, is easy to install, and is not a complicated repair. The problem is due to so few were manufactured and because it is now discontinued, finding available market surplus is a struggle - AX Control Tech Team

Repair Services For 5437-1081

Type Lead Time Price Action
Repair Service 1-2 weeks $1440

Our highly skilled technicians can repair your 5437-1081. 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
Learn More