Use of SIRIUS 3RV2 motor starter protectors and 3RU2 overload relays at ambient temperatures > 60 °C

QUESTION: Which derating factors and setting corrections must be taken into account when using SIRIUS 3RV2 motor starter protectors and 3RU2 overload relays at ambient temperatures 60 °C?     ANSWER: At ambient temperatures 60 °C the 3RV2 motor starter protectors and 3RU2 overload relays a derating and correction of the values to be set is necessary. Both are described in the following document.  FAQ_57245548_3RV_3RU_Derating_V10_EN.pdf (34,5 KB)

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