The Siemens Circuit Breaker is high quality!
circuit breaker 3VA2 IEC frame 630 breaking capacity class M
Icu=55kA @ 415V 3-pole, line protection ETU550, LSI, In=500A
overload protection Ir=200A...500A short-circuit protection
Isd=0.6..10x In, Ii=1.5..14x In N conductor protection optionally with
external current transformer, up to 160% nut keeper kit
Model
product brand name SENTRON
product designation Molded case circuit breaker
Product version Line protection
design of the overcurrent release ETU550
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 99 W
Active power loss / for rated value of the current / at
AC / in hot operating state / per pole
33 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
4 000
Neutral conductors / upgradeable/retrofittable Yes
ground fault monitoring version Without
product function
communication function Yes
other measurement function No
net weight 4.3 kg
Current
Max. rated operational current of the frame size 630 A
Courant permanent assigné Iu 500 A
short-time withstand current (Icw)
at AC / limited to 0.5 s / rated value 6 kA
limited to 1 s 6 kA
operating current
at 40 degrees centigrade 500 A
at 45 degrees centigrade 500 A
at 50 degrees centigrade 500 A
at 55 degrees centigrade 477 A
at 60 degrees centigrade 455 A
at 65 degrees centigrade 432 A
at 70 degrees centigrade 410 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 6 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 6 kA
short-circuit current making capacity (Icm)
at 240 V 187 kA
at 415 V 121 kA
at 690 V 9 kA
Adjustable parameters
Adjustable response value current / lg min. 200 A
Adjustable response value current / lg min. 500 A
Adjustable response value current / lg min. 0.5
Adjustable response value current / lg min. 20
Adjustable response value current / lg min. 300 A
Adjustable response value current / lg min. 5 000 A
Short-term delayed / tripping switchable /
I2t=ON/OFF
Yes
Adjustable response value current / lg min. 0.05 s
Adjustable response value current / lg min. 0.5 s
Adjustable response value current / lg min. 0.05 s
Adjustable response value current / lg min. 0.5 s
Adjustable response value current / li min. 750 A
Adjustable response value current / li max. 7 000 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
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 1 mm
Type of connectable conductor cross-section,
connection screw, width x thickness , max.
35 x 10 mm
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