Service Conditions; Ambient Temperature; Relative Humidity - WEG ABW16 Manual De Instrucciones

1.2 SerVICe ConDItIonS

Ambient temperature

Operation: –5...40ºC, with an average in 24h of up to 35ºC. For application of the ABW
„
circuit breakers in environments with temperatures above 40°C, consider the maximum
values of nominal current presented in the table below:
Ambient
temperature
40°C
45°C
50°C
55°C
60°C
Storage: –20...60ºC, with average in 24h of up to 35ºC.
„
Altitude of Installation
≤ 2000m. For application of the ABW circuit breakers at altitudes above 2000m, apply
„
the reduction factors of nominal voltage and current presented in the table below.
Altitude - h
h ≤ 2000m
2000 < h ≤ 2600m
2600 < h ≤ 3900m

relative Humidity

≤ 85% @ 40ºC.
„
≤ 90% @ 20ºC.
„
presence of gases
H S ≤ 0,01 ppm; SO
„
2
ABW16 ABW20
1600 2000
1600 2000
1600 2000
1550 2000
1500 2000
reduction factor of
nominal Voltage
≤ 0,01 ppm.
2
ABW25 ABW32
2500 3200
2500 3200
2500 3200
2450 3000
2350 2900
1,00
0,95
0,80
English
open Circuit Breaker
ABW40 ABW50
4000 5000
4000 5000
4000 5000
3900 4850
3750 4700
reduction factor of
nominal Current
1,00
0,99
0,96
ABW | 9