Firmware update releases for digital substation products

Firmware updates represent an integral part of ABB’s life cycle management of protection and control devices. The updates ensure optimized usability throughout the relay’s entire life cycle by offering the latest improvements. The ideal time for a firmware update would be at device commissioning, during periodical testing or a maintenance break.

Available firmware updates are easily accessible for secure download on  ABB Relays-Online. 
Download firmware updates Firmware update description
Relion® REX610 
2025, Jan.  Firmware update release 1.2.1 for REX610 
2023, Dec. Firmware update release 1.1.1 for REX610


Relion® 611 series IEC
2021, Aug. Firmware update release 2.0.4 for 611 series IEC 2.0
2017, Dec. Firmware update release 1.0.4 for 611 series IEC 1.0
Relion®  615 series
2024, Feb.  Firmware update release 5.1.3 for 615 series ANSI 5.0 FP1 
2024, Jun.  Firmware update release 5.1.4 for 615 series CN 5.0 FP1
2024, May Firmware update release 5.1.24 for 615 series IEC 5.0 FP1
2023, Oct. Firmware update release 5.0.17 for 615 series IEC 5.0
2024, Mar. Firmware update release 4.1.10 for 615 series IEC 4.0 FP1
2023, Dec. Firmware update release 4.0.8 for 615 series IEC 4.0
2021, Sep. Firmware update release 3.0.10 for 615 series IEC 3.0
Relion® REC615 and RER615
2024, Mar. Firmware update release 2.0.9 for REC615/RER615 IEC
2024, Jun. Firmware update release 1.1.4 for REC615/RER615 IEC
Relion® REX615
 2024, Dec.  Firmware update release 6.0.1 for REX615
 
Relion® 620 series IEC
2023, Aug Firmware update release 2.1.16 for 620 series IEC / CN 2.0 FP1
2023, Jan Firmware update release 2.0.13 for 620 series IEC / CN 2.0
Relion® 630 series IEC
2024, Oct. Firmware update release 1.3.0.B1 for 630 series 1.3
2024, Oct. Firmware update release 1.2.0.B8 for 630 series 1.2
2024, Oct. Firmware update release 1.1.0.C5 for 630 series 1.1
Relion® REX640
2025, Feb. Firmware update release 1.3.6 for REX640 PCL4
2022, Nov. Firmware update release 1.2.3 for REX640 PCL3
2024, Oct. Firmware update release 1.1.6 for REX640 PCL2
2022, Nov. Firmware update release 1.0.8 for REX640 PCL1
SSC600
2024, Apr. Firmware update release 1.1.2 for SSC600
2024, Jan.  Firmware update release 1.2.3 for SSC600 
2024, Feb. Firmware update release 1.3.2 for SSC600
2024, Oct  Firmware update release 1.4.4 for SSC600/SSC600 SW
2024, Dec. Firmware package 1.5.0 for SSC600 FP5 / Release announcement
2024, Dec. Installation package 1.5.0 for SSC600 SW FP5 (KVM) / Release announcement
2024, Dec. Installation package 1.5.0 for SSC600 SW FP5 (VMware) / Release announcement
SMU615
2024, Jan. Firmware update release 1.0.3 for SMU615

Related links

How to update firmware for ABB Relion®protection relays, video
Technical documentation portal
ABB cyber security
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