ABB ACS880-34 User Manual

Technical data 185
 When is derating needed
Derate the continuous output current of the drive if
• ambient temperature exceeds +40 °C (+104 °F) or
• drive is installed higher than 1000 m (3280 ft) above sea level
• switching frequency is other than default.
Note: The final derating factor is a multiplication of all applicable derating factors.
 Ambient temperature derating
In the temperature range +40…55 °C (+104…131 °F), the rated output current is derated
by 1% for every added 1 °C (1.8 °F) as follows. Calculate the output current by multiplying
the current given in the rating table by the derating factor.
1.00
0.85
+40 °C +55 °C
+104 °F +131 °F
Derating factor
Ambient temperature

ABB ACS880-34 Specifications

General

Brand	ABB
Model	ACS880-34
Category	DC Drives
Language	English