Thermal motor protection

Thermal motor overload protection shall be provided by one of the following means:

• NEC compliant installation of a motor temperature sensor, see also section "Motor temperature protection (TF/TH)" in the chapter "Electrical Installation" of the operating instructions.
• Using internal thermal motor overload protection according to NEC (National Electrical Code, US). Thermal motor overload protection can be activated via parameter P4-17.
• Implementing external measures to ensure thermal motor overload protection ­according to NEC (National Electrical Code).

• Parameter
• Functional principle