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Entry type: FAQ Entry ID: 24378166, Entry date: 06/13/2013

General: NOM approval mark on the Siemens Industrial Control products

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What means the NOM marking on the Siemens industrial control products?
The NOM (Normas Oficiales Mexicanas) approval mark is a Mexican standard marking for electrical products, gas installations, wires and cable, electronically- and telecommunication products.
Security information
In order to protect technical infrastructures, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art IT security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about cyber security, please visit