Main
Device short name
LUCB
product specific application
Basic protection and advanced functions, communication
Range
TeSys
[uc] control circuit voltage
24 V DC
thermal overload class
Class 10 - frequency limit: 40…60 Hz - temperature compensation: -25…70 °C conforming to IEC 60947-6-2
Class 10 - frequency limit: 40…60 Hz - temperature compensation: -25…70 °C conforming to UL 508
Product Name
TeSys Ultra
Rated motor current adjustment range
9.5…38 A
[ui] rated insulation voltage
690 V conforming to IEC 60947-6-2
600 V conforming to UL 60947-4-1
600 V conforming to CSA C22.2 No 60947-4-1
main function available
Protection against phase failure and phase imbalance
Protection against overload and short-circuit
Earth fault protection
Manual reset
reset
Manual reset
motor power kW
18.5 kW at 400...440 V AC 50/60 Hz
18.5 kW at 500 V AC 50/60 Hz
22 kW at 690 V AC 50/60 Hz
Complementary
product compatibility
Power base LUB38
Power base LUB380
Reversing contactor breaker LU2B38BL
[ue] rated operational voltage
690 V AC
compatibility code
LUCB
Product certifications
CE
UL
CSA
CCC (pending)
EAC (pending)
Handle front plate colour
66 mm
Product or component type
Advanced control unit
[uimp] rated impulse withstand voltage
6 kV conforming to IEC 60947-6-2
Device application
Motor control
Motor protection
Fixing mode
Plug-in (front face)
Control circuit voltage limits
20...27 V for DC circuit 24 V in operation
14.5 V for DC circuit 24 V drop-out
width (w)
45 mm
network frequency
40...60 Hz
Heat dissipation
3 W for control circuit with LUB38
Net weight
0.135 kg
Immunity to microbreaks
3 ms
depth
60 mm
Load type
3-phase motor - cooling: self-cooled
operating time
35 ms opening with LUB38 for control circuit
70 ms closing with LUB38 for control circuit
Immunity to radioelectric fields
10 V conforming to IEC 61000-4-6
Phase failure sensitivity
Yes
Tripping threshold
14.2 x Ir +/- 20 %
Resistance to electrostatic discharge
8 kV level 3 in open air conforming to IEC 61000-4-2
8 kV level 4 on contact conforming to IEC 61000-4-2
Shock resistance
10 gn power poles open conforming to IEC 60068-2-27
15 gn power poles closed conforming to IEC 60068-2-27
Safe separation of circuit
400 V SELV between the control and auxiliary circuits conforming to IEC 60947-1
400 V SELV between the control or auxiliary circuit and the main circuit conforming to IEC 60947-1
Utilisation category
AC-43
Typical current consumption
220 mA at 24 V DC I maximum while closing with LUB38
80 mA at 24 V DC I rms sealed with LUB38
Environment
Ambient air temp for storage/transportation
-40…85 °C
ip degree of protection
IP20 front panel and wired terminals conforming to IEC 60947-1
IP20 other faces conforming to IEC 60947-1
IP40 front panel outside connection zone conforming to IEC 60947-1
operating altitude
2000 m
Range of product
TeSys Ultra
ambient air temperature for operation
-25…70 °C
standards
EN 60947-6-2
IEC 60947-6-2
UL 60947-4-1, with phase barrier
CSA C22.2 No 60947-4-1, with phase barrier
fire resistance
960 °C parts supporting live components conforming to IEC 60695-2-12
650 °C conforming to IEC 60695-2-12
immunity to voltage dips
70 % / 500 ms conforming to IEC 61000-4-11
resistance to radiated fields
10 V/m 3 conforming to IEC 61000-4-3
vibration resistance
2 gn, 5…300 Hz, power poles open conforming to IEC 60068-2-6
4 gn, 5…300 Hz, power poles closed conforming to IEC 60068-2-6
protective treatment
TH conforming to IEC 60068
resistance to fast transients
2 kV class 3 serial link conforming to IEC 61000-4-4
4 kV class 4 all circuits except for serial link conforming to IEC 61000-4-4