Replacement power supply modules for SIMATIC S7-300

S7-300 power supplies – replacements and repairs

Power supplies provide power for PLCs and related equipment. We supply replacement power supplies for SIMATIC S7-300 assemblies and check the version using the order number, input voltage and required output.

FOXON ships parts worldwide and accepts faulty parts for repair
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  • Parts with warranty
More about selecting Power supplies for S7-300 parts

What Power supplies for S7-300 offers

Power supplies provide power for PLCs and related equipment. We supply replacement power supplies for SIMATIC S7-300 assemblies and check the version using the order number, input voltage and required output.

When it makes sense

Send the complete original power supply order number, input voltage and required output voltage and current. We also check terminals, mounting method, dimensions and available cabinet space. For repair, include a fault description and nameplate photo; send the faulty supply to us for diagnosis after arranging this with us.

How to capture sporadic faults on Siemens S7 PLCs

How to capture sporadic faults on Siemens S7 PLCs

Sporadic faults on Siemens SIMATIC S7 PLCs are difficult to find using standard online diagnostics. In this article, we show how auto.spy analyzer helps capture signals, events and video on a single timeline and trace the root cause of the problem afterwards.


Compatibility of SIEMENS, SOFTLINK and VIPA replacements for SIMATIC S7-300 and S7-200

Compatibility of SIEMENS, SOFTLINK and VIPA replacements for SIMATIC S7-300 and S7-200

Save more than 50% compared to the price of original SIEMENS SIMATIC S7-300 and S7-200 I/O modules, power supplies and memory cards. The clear compatibility table helps you find suitable SOFTLINK and VIPA replacements by the order number of the original SIEMENS part. Selected modules are in stock at FOXON in Liberec and can be delivered immediately.