رله های حفاظتی زیمنس نه تنها از موتور، بلکه در بسیاری از موارد حفاظت های بسیار زیادی را اعمال می کنند؛ که چند نمونه از این حفاظت ها عبارتند از:
حفاظت از فیدر (خط تغذیه) (Feeder Protection)
حفاظت از اضافه جریان در مدارات (Overcurrent Protection)
حفاظت خطای نشتی زمین (Earth-Fault Protection)
حفاظت در مقابل جرقه (Arc Protection)
حفاظت از بانک های خازنی (Capacitor Bank Protection)
حفاظت از موتورهای الکتریکی در برابر خطاهای داخلی و خارجی (Motor Protection)
حفاظت از ترانسفورماتورها (Transformator Protection)
حفاظت در برابر نوسانات ولتاژ و فرکانس (Voltage and Frequency Protection)
حفاظت از اضافه بار (Overload Protection)
وصل مجدد مدارات بعد از قطع

Qualified Personnel
The product/system described in this documentation may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions. Qualified personnel are those who, based on their training and experience, are capable of identifying risks and avoiding potential hazards when working with these products/systems.
Proper use of Siemens products
Note the following: WARNING
Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems. The permissible ambient conditions must be complied with. The information in the relevant documentation must be observed.
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Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistency with the hardware and software described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the information in this publication is reviewed regularly and any necessary corrections are included in subsequent editions