Siemens Sinamics PM250 - Restrictions for special ambient conditions

Technical specifications
7.5 Restrictions for special ambient conditions
PM250 Power Module
Hardware Installation Manual, 01/2016, A5E36265179B-AA
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7.5
Restrictions for special ambient conditions
Maximum current at low speeds
NOTICE
Negative impact on the inverter service life.
At low speeds, the inverter can only briefly supply the base load output current.
It is especially important to note that DC voltage operation (continuous operation at 0 Hz) is
not permissible.
Refer to the following diagram for the operating conditions that are possible without having
a negative impact on the inverter service life.
Continuous operation:
Operating state that is permissible for the complete operating time.
Short-time duty Operating state that is permissible for less than 2 % of the operating
time.
Sporadic short-time duty Operating state that is permissible for less than 1 % of the operating
time.
Current de-rating depending on the ambient operating temperature