Air Circuit Breaker Interruptor Abierto Disjuntor Aberto ABW - Weg

1.2 SerVICe ConDItIonS
English
open Circuit Breaker
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
ABW16 ABW20 ABW25 ABW32 ABW40 ABW50
40°C 1600 2000 2500 3200 4000 5000
45°C 1600 2000 2500 3200 4000 5000
50°C 1600 2000 2500 3200 4000 5000
55°C 1550 2000 2450 3000 3900 4850
60°C 1500 2000 2350 2900 3750 4700
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
reduction factor of
nominal Voltage
reduction factor of
nominal Current
h ≤ 2000m 1,00 1,00
2000 < h ≤ 2600m 0,95 0,99
2600 < h ≤ 3900m 0,80 0,96
relative Humidity
≤ 85% @ 40ºC.
≤ 90% @ 20ºC.
presence of gases
H 2 S ≤ 0,01 ppm; SO 2 ≤ 0,01 ppm.
ABW | 9