Figure1-1 Authenticity label NCU
If the authenticity label is intact, it guarantees you that no one has tampered with the
component before or after delivery.
CAUTION
Authenticity label is broken
• The manufacturer's warranty for the product expires with immediate eect if the
authenticity label is damaged.
• A damaged authenticity label may indicate that the component has been manipulated and
it is recommended that no further use be made of aected components. Contact your
Siemens customer service immediately.
Introduction
1.10Physical protection against manipulation of the NCU
NCU 1750
14 Equipment Manual, 10/2023, A5E45627807B AH
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