Siemens Ends Support for Simatic S5

Despite being obsolete for many years now, the Simatic S5 PLC family by Siemens is still in use in many applications throughout the world. From 30th September 2020 the final stage of the product life cycle ends, meaning that Siemens will no longer support the platform with spare parts and repairs.

As the obsolescence specialists, Northern Industrial is able to keep your Simatic S5 running for as long as you need it. Operate without worry or forced migration before you’re ready with our expert support.

Northern Industrial is your premier partner for Siemens S5 support

  • Thousands of refurbished S5 parts in stock including CPUs, PSUs, I/O, comms and special function modules
  • Bespoke Simatic S5 test rigs to guarantee functionality
  • Experienced engineers fluent in STEP 5
  • 2 year warranty on all spare parts and repairs
  • Competitive prices and fast lead times

Browse thousands of Simatic S5 spare parts at

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