Delta Electronics VFD037CH23A-21 — технические характеристики и условия эксплуатации для приводов [157/638]

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Chapter 9 Specifications

9-6

Protection Level Operating Environment

UL Type I / IP20

When the AC motor drive is operating at the rated

current and the ambient temperature has to be

between 10℃ ~ +40℃. When the temperature is

over 40℃, for every increase by 1℃, decrease 2%

of the rated current. The minimum allowable

temperature is 60℃.

UL Open Type /

IP20

When the AC motor drive is operating at the rated

current and the ambient temperature has to be

between -10℃ ~ +50℃. When the temperature is

over 50℃, for every increase by 1℃, decrease 2%

of the rated current. The minimum allowable

temperature is 60℃.

High Altitude

If AC motor drive is installed at altitude 0~1000m,

follow normal operation restriction. If it is install at

altitude 1000~3000m, decrease 2% of rated current

or lower 0.5℃ of temperature for every 100m

increase in altitude. Maximum altitude for Corner

Grounded is 2000m.