ABB ACQ810-04, Hardware Manual, Page: 118 / 144

118 Technical data

Derating
The continuous output currents stated above must be derated if any of the following
conditions apply:
•
• ambient temperature e40 °C (+104°F)
• drive is installed higher than 1000 m (3280 ft) above sea level.
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. The output current is calculated by
multiplying the current given in the rating table by the derating factor.
Altitude derating
At altitudes from 1000 to 4000 m (3300 to 13123 ft) above sea level, the derating is 1% for
every 100 m (328 ft). For a more accurate derating, use the DriveSize PC tool.
I
1N
Nominal input current (rms)
I
2N
Nominal output current. 110% overload is allowed for 1 minute every 5 minutes.
I
cont
Continuous rms output currents with no overload capability
I
max
Maximum output current. Available for 10 seconds at start, otherwise as long as allowed by drive
temperature.
U
n
Supply voltage
P Typical motor power
Note 1: The ratings apply at an ambient temperature of 40 °C (104 °F).
Note 2: To achieve the rated motor power given in the table, the rated current of the drive must be higher
than or equal to the rated motor current.
The DriveSize dimensioning tool available from ABB is recommended for selecting the drive, motor and gear
combination.
Drive type
ACQ810-04... Continuous rms output current I
cont
(A)
T = 45 °C (+113 °F) T = 50 °C (+122 °F) T = 55 °C (+131 °F)
-377A-4 368 348 329
-480A-4 475 450 425
-570A-4 551 522 493
-634A-4 618 585 553
-700A-4 675 639 604
-785A-4 767 726 686
-857A-4 831 788 744
00581898
1.00
0.85
+40 °C +55 °C
+104 °F +131 °F
Derating factor
Ambient temperature