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EL731 Series Firmware Update 1.62 for Australia/New Zealand Customers

If you are not located in Australia or New Zealand, click here to open the correct page.

Welcome to the Littelfuse EL731 series firmware update page. To review all changes provided in firmware version 1.62, and to confirm if it will be necessary to update your EL731 units, please carefully review the Product Change Notice linked below.

The firmware on the EL731 can be updated in the field or through Fuseco, the Littelfuse master distributor partner within Australia:

  • To update in the field, an AC700-CUA-00 Firmware Update Card will be provided to you. The AC700-CUA-00 card is inserted into the communications card slot in the EL731, and the unit is connected to a PC running Littelfuse SE-Flash software. Please review the EL731 Firmware Update Instructions document linked below to be aware of the procedure to update in the field.

  • To update at a Littelfuse distribution partner, the relays would be shipped to the nearest partner location, updated, and shipped back to you.

If you wish to proceed with updating EL731 units, please fill in the registration form on the side of the page, including the upgrade method. After receiving the registration, Fuseco will reach out to you to confirm and complete next steps:

  • Fuseco (All other regions and New Zealand); Contact information: 1300 387 326 or sales@fuseco.com.au
For any additional questions, please contact our technical support team at relays@littelfuse.com or use the local contact number above.

Important Documents: