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circuit breaker VL400N standard breaking capacity Icu=55kA, 415V
AC 3-pole, line protection Electronic Trip Unit ETU20, LSI In=315A,
rated current IR=128...315A, overload protection, ISD=1.5 to 10xIR,
II=11xIN short-circuit protection without auxiliary release Auxiliary
switch mounting kit 2 AUX (1 NO + 1 NC)
Model
type of the driving mechanism / motor drive No
design of the overcurrent release ETU20
General technical data
number of poles 3
size of the circuit-breaker 3VL4
mechanical service life (switching cycles) / typical 20 000
circuit breaker VL400N standard breaking capacity Icu=55kA, 415V
AC 3-pole, line protection Electronic Trip Unit ETU20, LSI In=315A,
rated current IR=128...315A, overload protection, ISD=1.5 to 10xIR,
II=11xIN short-circuit protection without auxiliary release Auxiliary
switch mounting kit 2 AUX (1 NO + 1 NC)
Model
type of the driving mechanism / motor drive No
design of the overcurrent release ETU20
General technical data
number of poles 3
size of the circuit-breaker 3VL4
mechanical service life (switching cycles) / typical 20 000
at 65 degrees centigrade / rated value 252 A
at 70 degrees centigrade / rated value 252 A
Auxiliary circuit
number of CO contacts / for auxiliary contacts 0
number of NC contacts / for auxiliary contacts 1
number of NO contacts / for auxiliary contacts 1
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 8 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 35 kA
at 480 V / acc. to NEMA / rated value 35 kA
at 500 V / rated value 25 kA
at 600 V / acc. to NEMA / rated value 20 kA
at 690 V / rated value 15 kA