Type | SENTRON VL 400 |
Breaker Type | Sentron Molded Case Circuit Breakers |
Ampere Rating | 400 A |
Interruption | High interruption |
Number of Poles | 3 pole |
circuit breaker VL400H high breaking capacity Icu=70kA, 415V AC 3-
pole, non-auto. air circ. br. trip unit magnetic In=400A, rated current
II=4000A, short-circuit protection without auxiliary release without
auxiliary/alarm switch
Model
type of the driving mechanism / motor drive No
design of the overcurrent release M
General technical data
number of poles 3
size of the circuit-breaker 3VL4
mechanical service life (switching cycles) / typical 20 000
Current
continuous current / rated value 400 A
derating temperature / for the rated value of the
continuous current
50 degrees centigrade
adjustable current response value current
of instantaneous short-circuit trip unit / initial
value
4 000 A
of instantaneous short-circuit trip unit / full-scale
value
4 000 A
Main circuit
operating frequency
1 / rated value 50 Hz
2 / rated value 60 Hz
operational current
at 40 degrees centigrade / rated value 400 A
at 50 degrees centigrade / rated value 400 A
at 55 degrees centigrade / rated value 372 A
at 60 degrees centigrade / rated value 372 A
at 65 degrees centigrade / rated value 344 A
at 70 degrees centigrade / rated value 344 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 75 kA
at 415 V / rated value 70 kA
at 500 V / rated value 30 kA
at 690 V / rated value 8 kA
breaking capacity maximum short-circuit current (Icu)
at 240 V / rated value 100 kA
at 415 V / rated value 70 kA
at 440 V / rated value 50 kA
at 480 V / acc. to NEMA / rated value 50 kA
at 500 V / rated value 40 kA
at 600 V / acc. to NEMA / rated value 20 kA
at 690 V / rated value 15 kA
Siemens Circuit Breaker 3VL4740-2DE36-0AA0
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