EKF VA-99M EKF - Page 19

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INFLUENCE OF THE AMBIENT TEMPERATURE
The devices shall be commissioned at normal operating ambient temperature.
The tripping time of the molded case circuit breaker is determined by its
tripping curve. The setting value of the overload protection (Ir) shall be adjusted
according to the diagrams below.
TEMPERATURE FACTOR
VА-99М 63
VА-99М 250 VА-99М 400
VА-99М 100
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% rated current% rated current % rated current% rated current