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circuit breaker 3VA2 IEC frame 1000 breaking capacity class M
Icu=55kA @ 415V 3-pole, line protection ETU320, LI, In=1000A
overload protection Ir=400A...1000A short-circuit protection
Ii=1.5...10 x In nut keeper kit
Model
product brand name SENTRON
product designation Molded case circuit breaker
Product version Line protection
design of the overcurrent release ETU320
protection function of the overcurrent release LI
number of poles 3
General technical data
Tension assignée d'isolement Ui 800 V
Max. rated operational voltage Ue with AC 50/60Hz 690 V
power loss W / maximum 330 W
Active power loss / for rated value of the current / at
AC / in hot operating state / per pole
110 W
mechanical service life (switching cycles) / typical 10 000
Electrical endurance (switching cycles) / at AC-1 / at
380/415 V 50/60 Hz
4 900
Electrical endurance (switching cycles) / at AC-1 / at
690 V 50/60 Hz
3 400
Neutral conductors / upgradeable/retrofittable No
ground fault monitoring version Without
product function
communication function No
other measurement function No
Current
Max. rated operational current of the frame size 1 000 A
Courant permanent assigné Iu 1 000 A
operating current
at 40 degrees centigrade 1 000 A
at 45 degrees centigrade 1 000 A
at 50 degrees centigrade 1 000 A
at 55 degrees centigrade 1 000 A
at 60 degrees centigrade 955 A
at 65 degrees centigrade 885 A
at 70 degrees centigrade 815 A
Switching capacity according to IEC 60947
switching capacity class of the circuit breaker M
maximum short-circuit current breaking capacity (Icu)
at 240 V 85 kA
at 415 V 55 kA
at 440 V 55 kA
at 500 V 36 kA
at 690 V 25 kA
operational short-circuit current breaking capacity
(Ics)
at 240 V 85 kA
at 415 V 55 kA
at 440 V 55 kA
at 500 V 36 kA
at 690 V 19 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
at 690 V 53 kA
Adjustable parameters
Adjustable response value current / lg min. 400 A
Adjustable response value current / lg min. 1 000 A
Adjustable response value current / lg min. 0.5
Adjustable response value current / lg min. 17
Adjustable response value current / li min. 1 500 A
Adjustable response value current / li max. 10 000 A
Ground fault protection / tripping switchable /
I2t=ON/OFF
No
Mechanical Design
height in 12.6 in
Height 320 mm
width in 8.3 in
Width 210 mm
depth in 4.7 in
depth 120 mm
Connections
arrangement of electrical connectors / for main
current circuit
Front terminal
type of electrical connection / for main current circuit on both sides nut keeper kit
Type of connectable conductor cross-section,
connection screw, width x thickness , min.
20 x 4 mm
Auxiliary circuit
number of CO contacts / for auxiliary contacts 0
Environmental conditions
protection class IP / on the front IP40
ambient temperature
during operation / minimum -25 degrees centigrade
during operation / maximum 70 degrees centigrade
during storage / minimum -40 degrees centigrade
during storage / maximum 80 degrees centigrade
Certificates
reference code / acc. to DIN EN 81346-2 Q