BW4000-AF Intelligent universal circuit breakerDetailed product description：

Characteristics of BW4000-AF Intelligent Universal Circuit Breaker:

Shell current: 3200A 4000A
Shell current: 3200A 4000A
N-pole rated current: 50% or 100% In
Breaking level: C, S, H
Installation method: drawer style
Connection method: horizontal
Compliant with standard: GB14048.2 IEC60947-2
Overload long delay current setting value Ir1 (distribution or motor protection): 0.4~1.0In+OFF (off)
Overload long delay current setting value Ir1 (generator protection): 0.4~1.25In+OFF (off)
Long delay inverse time setting value (corresponding to 2Ir1): curves 1 to 6 can be selected
Short circuit short delay inverse time and time limit setting current value Ir2:1.5~15Ir1+OFF
Short circuit short delay time limit setting value (corresponding to Ir2): 0.1~1.0s
Short circuit short delay inverse time setting value (corresponding to Ir2): curves 1 to 6 can be selected
Short circuit instantaneous current setting value Ir3:1.0In~50KA
Short circuit instantaneous action time: within 100ms
Rated voltage: AC400V/690V
Rated insulation voltage: AC1000V
Number of poles: 3, 4 poles

BW4000-AF intelligent universal circuit breaker short-circuit capability:
Icu/Ics/Icw(1s): BW4000C BW4000S BW4000H
AC400V: 65KA/50KA/65KA 80KA/50KA/65KA 100KA/65KA/65KA
AC690V: 50KA/40KA/65KA 50KA/40KA/65KA 50KA/40KA/65KA