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circuit breaker 3VA2 IEC frame 1000 breaking capacity class H
Icu=85kA @ 415V 3-pole, line protection ETU350, LSI, In=800A
overload protection Ir=320A...800A short-circuit protection
Isd=1.5...10 x Ir, Ii=12 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 ETU350
protection function of the overcurrent release LSI
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 231 W
Active power loss / for rated value of the current / at
AC / in hot operating state / per pole
77 W
mechanical service life (switching cycles) / typical 10 000
Electrical endurance (switching cycles) / at AC-1 / at
380/415 V 50/60 Hz
4 600
Electrical endurance (switching cycles) / at AC-1 / at
690 V 50/60 Hz
3 200
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 800 A
operating current
at 40 degrees centigrade 800 A
at 45 degrees centigrade 800 A
at 50 degrees centigrade 800 A
at 55 degrees centigrade 800 A
at 60 degrees centigrade 800 A
at 65 degrees centigrade 767 A
at 70 degrees centigrade 703 A
Switching capacity according to IEC 60947
switching capacity class of the circuit breaker H
maximum short-circuit current breaking capacity (Icu)
at 240 V 110 kA
at 415 V 85 kA
at 440 V 85 kA
at 500 V 55 kA
at 690 V 35 kA
operational short-circuit current breaking capacity
(Ics)
at 240 V 110 kA
at 415 V 85 kA
at 440 V 70 kA
at 500 V 55 kA
at 690 V 19 kA
short-circuit current making capacity (Icm)
at 240 V 242 kA
at 415 V 187 kA
at 440 V 187 kA
at 500 V 121 kA
at 690 V 74 kA
Adjustable parameters
Adjustable response value current / lg min. 320 A
Adjustable response value current / lg min. 800 A
Adjustable response value current / lg min. 0.5
Adjustable response value current / lg min. 17
Adjustable response value current / lg min. 1 200 A
Adjustable response value current / lg min. 8 000 A
Adjustable response value current / lg min. 0.04 s
Adjustable response value current / lg min. 0.4 s
Adjustable response value current / li min. 8 000 A
Adjustable response value current / li max. 8 000 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