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circuit breaker 3VA1 IEC frame 160 breaking capacity class M
Icu=55kA @ 415V 3-pole, line protection TM240, ATAM, In=125A
overload protection Ir=88A...125A short-circuit protection Ii=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 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 28.1 W
Active power loss / for rated value of the current / at
AC / in hot operating state / per pole
9.37 W
mechanical service life (switching cycles) / typical 20 000
Electrical endurance (switching cycles) / at AC-1 / at
380/415 V 50/60 Hz
8 000
Electrical endurance (switching cycles) / at AC-1 / at
690 V 50/60 Hz
8 000
Neutral conductors / upgradeable/retrofittable No
ground fault monitoring version Without
product function
communication function No
other measurement function No
net weight 0.9 kg
Current
Max. rated operational current of the frame size 160 A
Courant permanent assigné Iu 125 A
operating current
at 40 degrees centigrade 125 A
at 45 degrees centigrade 125 A
at 50 degrees centigrade 125 A
at 55 degrees centigrade 122 A
at 60 degrees centigrade 120 A
at 65 degrees centigrade 117 A
at 70 degrees centigrade 114 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 36 kA
at 500 V 10 kA
at 690 V 10 kA
operational short-circuit current breaking capacity
(Ics)
at 240 V 85 kA
at 415 V 55 kA
at 440 V 36 kA
at 500 V 5 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 76 kA
at 500 V 17 kA
at 690 V 17 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. 88 A
Adjustable response value current / lg min. 125 A
Short-term delayed / tripping switchable /
I2t=ON/OFF
No
Adjustable response value current / li min. 625 A
Adjustable response value current / li max. 1 250 A
Ground fault protection / tripping switchable /
I2t=ON/OFF
No
Mechanical Design
height in 5.1 in
Height 130 mm
width in 3 in
Width 76.2 mm
depth in 2.8 in
depth 70 mm
Connections
arrangement of electrical connectors / for main
current circuit
Front terminal
Type of connectable conductor cross-section,
connection screw, width x thickness , min.
12 x 0 mm
Type of connectable conductor cross-section,
connection screw, width x thickness , max.
17 x 6.5 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