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circuit breaker VL250N without Electronic Trip Unit standard breaking
capacity Icu=55kA/415V AC, 3-pole In=< 250A, rated current with
screw terminal connections for switching unit and Electronic Trip Unit
Model
type of the driving mechanism / motor drive No
General technical data
number of poles 3
size of the circuit-breaker 3VL3
mechanical service life (switching cycles) / typical 20 000
electrical endurance (switching cycles) / typical 10 000
Current
continuous current / rated value 250 A
derating temperature / for the rated value of the
continuous current
50 degrees centigrade
acc. to UL 489 40 degrees centigrade
Main circuit
operating frequency
1 / rated value 50 Hz
2 / rated value 60 Hz
operational current
at 40 degrees centigrade / rated value 250 A
at 50 degrees centigrade / rated value 250 A
at 55 degrees centigrade / rated value 232.5 A
at 60 degrees centigrade / rated value 232.5 A
at 65 degrees centigrade / rated value 215 A
at 70 degrees centigrade / rated value 215 A
Short circuit
breaking capacity operating short-circuit current (Ics)
at 240 V / rated value 65 kA
at 415 V / rated value 55 kA
at 500 V / rated value 20 kA
at 690 V / rated value 6 kA
breaking capacity maximum short-circuit current (Icu)
at 240 V / rated value 65 kA
at 415 V / rated value 55 kA
at 440 V / rated value 25 kA
at 480 V / acc. to NEMA / rated value 25 kA
at 500 V / rated value 25 kA
at 600 V / acc. to NEMA / rated value 12 kA
at 690 V / rated value 12 kA
Mechanical Design
height 185.5 mm
width 104.5 mm
depth 106.5 mm
fastening method fixed mounting