Main
Device short name
LUCB
product specific application
Basic protection and advanced functions, communication
Range
TeSys
[uc] control circuit voltage
24 V AC
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
8…32 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
Earth fault protection
Manual reset
Protection against overload and short-circuit
reset
Manual reset
motor power kW
15 kW at 400...440 V AC 50/60 Hz
15 kW at 500 V AC 50/60 Hz
18.5 kW at 690 V AC 50/60 Hz
Complementary
product compatibility
Power base LUB32
Power base LUB38
Power base LUB320
Power base LUB380
Reversing contactor breaker LU2B32B
[ue] rated operational voltage
690 V AC
compatibility code
LUCB
Product certifications
CE
UL
CSA
CCC
EAC
ASEFA
ATEX
Marine
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...26.5 V for AC circuit 24 V in operation
14.5 V for AC circuit 24 V drop-out
width (w)
45 mm
network frequency
40...60 Hz
Heat dissipation
3 W for control circuit with LUB32
3 W for control circuit with LUB38
Immunity to microbreaks
3 ms
depth
60 mm
Load type
3-phase motor - cooling: self-cooled
operating time
35 ms opening with LUB32 for control circuit
35 ms opening with LUB38 for control circuit
70 ms closing with LUB32 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
AC-41
AC-44
Typical current consumption
220 mA at 24 V AC I maximum while closing with LUB32
220 mA at 24 V AC I maximum while closing with LUB38
90 mA at 24 V AC I rms sealed with LUB32
90 mA at 24 V AC 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
Non-dissipating shock wave
1 kV serial mode conforming to IEC 60947-6-2
2 kV common mode conforming to IEC 60947-6-2
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