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circuit breaker 3VA1 IEC frame 630 breaking capacity class M
Icu=55kA @ 415V 3-pole, line protection TM240, ATAM, In=630A
overload protection Ir=440A...630A short-circuit protection Ii=4...8 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 TM240
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
Max. rated operational voltage Ue with DC 500 V
power loss W / maximum 192.9 W
Active power loss / for rated value of the current / at
AC / in hot operating state / per pole
64.3 W
mechanical service life (switching cycles) / typical 15 000
Electrical endurance (switching cycles) / at AC-1 / at
380/415 V 50/60 Hz
4 000
Electrical endurance (switching cycles) / at AC-1 / at
690 V 50/60 Hz
2 700
Neutral conductors / upgradeable/retrofittable No
ground fault monitoring version Without
product function
communication function No
other measurement function No
net weight 3.9 kg
Current
Max. rated operational current of the frame size 630 A
Courant permanent assigné Iu 630 A
operating current
at 40 degrees centigrade 630 A
at 45 degrees centigrade 630 A
at 50 degrees centigrade 630 A
at 55 degrees centigrade 618 A
at 60 degrees centigrade 607 A
at 65 degrees centigrade 595 A
at 70 degrees centigrade 583 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 7 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 5 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 11.9 kA
design of short-circuit protection For switching power values in DC networks, see the 3VA molded
case circuit breaker device manual; link to be found under Service
& Support in the last chapter
Adjustable parameters
Adjustable response value current / lg min. 441 A
Adjustable response value current / lg min. 630 A
Adjustable response value current / li min. 3 150 A
Adjustable response value current / li max. 5 040 A
Ground fault protection / tripping switchable /
I2t=ON/OFF
No
Mechanical Design
height in 9.8 in
Height 248 mm
width in 5.4 in
Width 138 mm
depth in 4.3 in
depth 110 mm
Connections
arrangement of electrical connectors / for main
current circuit
Front terminal
Auxiliary circuit
number of CO contacts / for auxiliary contacts 0
Accessories
product extension / optional / motor drive Yes
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