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circuit breaker VL250N standard breaking capacity Icu=55kA, 415V
AC 3-pole, motor/generator prot. Electronic Trip Unit ETU10M, LI
In=250A, rated current IR=100...250A, overload protection, II=1.25 to
11xIN, short-circuit protection without auxiliary release without
auxiliary/alarm switch
Model
type of the driving mechanism / motor drive No
design of the overcurrent release ETU10M
General technical data
number of poles 3
size of the circuit-breaker 3VL3
mechanical service life (switching cycles) / typical 20 000
Current
continuous current / rated value 250 A
derating temperature / for the rated value of the
continuous current
50 degrees centigrade
adjustable current response value current
of the current-dependent overload release / fullscale value
250 A
of instantaneous short-circuit trip unit / initial
value
313 A
of instantaneous short-circuit trip unit / full-scale
value
2 750 A
Main circuit
operating frequency
1 / rated value 50 Hz
2 / rated value 60 Hz
operating power / at AC-3
at 230 V / rated value 46 kW
at 400 V / rated value 138.5 kW
operational current
at 40 degrees centigrade / rated value 250 A
at 50 degrees centigrade / rated value 250 A
at 55 degrees centigrade / rated value 237.5 A
at 60 degrees centigrade / rated value 237.5 A
at 65 degrees centigrade / rated value 200 A
at 70 degrees centigrade / rated value 200 A
Auxiliary circuit
number of CO contacts / for auxiliary contacts 0
number of NC contacts / for auxiliary contacts 0
number of NO contacts / for auxiliary contacts 0
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