The Siemens Circuit Breaker is high quality!
circuit breaker 3VM1 IEC frame 400 breaking capacity class M
Icu=55kA @ 415V 3-pole, starter protection TM120M, AM, In=320A
without overload protection short-circuit protection Ii=8...16 x In nut
keeper kit
Model
product brand name SENTRON
product designation Molded case circuit breaker
Product version Startetptotection
design of the overcurrent release TM120M
protection function of the overcurrent release I
number of poles 3
General technical data
Tension assignée d'isolement Ui 690 V
Max. rated operational voltage Ue with AC 50/60Hz 500 V
power loss W / maximum 49.2 W
Active power loss / for rated value of the current / at
AC / in hot operating state / per pole
16.4 W
mechanical service life (switching cycles) / typical 8 000
Electrical endurance (switching cycles) / at AC-1 / at
380/415 V 50/60 Hz
6 000
Neutral conductors / upgradeable/retrofittable No
ground-fault monitoring version Without
product function
communication function No
phase failure detection No
other measurement function No
net weight 3.9 kg
Current
Max. rated operational current of the frame size 400 A
Courant permanent assigné Iu 320 A
operational current
at 40 degrees centigrade 320 A
at 45 degrees centigrade 320 A
at 50 degrees centigrade 320 A
at 55 degrees centigrade 313 A
at 60 degrees centigrade 306 A
at 65 degrees centigrade 299 A
at 70 degrees centigrade 292 A
Switching capacity according to IEC 60947
switching capacity class of the circuit breaker M
breaking capacity maximum short-circuit current (Icu)
at 240 V 85 kA
at 415 V 55 kA
at 440 V 55 kA
at 500 V 36 kA
breaking capacity operating short-circuit current (Ics)
at 240 V 63 kA
at 415 V 41 kA
at 440 V 41 kA
at 500 V 27 kA
short-circuit current making capacity (Icm)
at 240 V 187 kA
at 415 V 121 kA
at 440 V 121 kA
at 500 V 76 kA
Adjustable parameters
Adjustable response value current / li min. 2 560 A
Adjustable response value current / li max. 5 120 A
Ground fault protection / tripping switchable /
I2t=ON/OFF
No