The ABB Circuit Breaker is high quality!
Number of Poles:
3
Number of Protected Poles:
3
Tripping Characteristic:
B
Rated Current (In):
20 A
Rated Operational Voltage:
acc. to IEC 60898-1 400 V AC
acc. to IEC 60947-2 440 V AC
Power Loss:
7.5 W
at Rated Operating Conditions per Pole 2.5 W
Rated Insulation Voltage (Ui):
acc. to IEC/EN 60664-1 440 V
Operational Voltage:
Maximum (Incl. Tolerance) 440 V AC
Maximum 440 V AC
Minimum 12 V AC
Minimum 12 V DC
Rated Frequency (f):
50 Hz
60 Hz
Rated Short-Circuit Capacity (Icn):
(400 V AC) 10 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu):
(230 V AC) 25 kA
(440 V AC) 15 kA
Rated Service Short-Circuit Breaking Capacity (Ics):
(230 V AC) 7.5 kA
Energy Limiting Class:
3
Overvoltage Category:
III
Pollution Degree:
3
Rated Impulse Withstand Voltage (Uimp):
4 kV
(6.2 kV sea level)
(5.0 kV 2000 m)
Dielectric Test Voltage:
50/60 Hz, 1 min: 2 kV

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