Schneider Electric Advanced control unit, TeSys U, 1.25-5A, 3P motors, protection & diagnostic, class 10, coil 24V AC LUCB05B
Schneider Electric

Schneider Electric Advanced control unit, TeSys U, 1.25-5A, 3P motors, protection & diagnostic, class 10, coil 24V AC LUCB05B

Part numberLUCB05BEAN / GTIN3389110364149HS code8536.30
Electrical Components
Circuit Breaker Accessories
MOQ:1

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Product Description

Schneider Electric LUCB05B Protection U ADV 1,25-5A 24VAC.

Technical Specifications

Manufacturer part number (MPN)
LUCB05B
EAN / GTIN
3389110364149
Sales unit
pcs
Package quantity
23 pcs
Voltage
24 V AC
Range
TeSys
Range of product
TeSys Ultra
Product name
TeSys Ultra
Device short name
LUCB
Product or component type
Advanced control unit
Device application
Motor control; Motor protection
Product specific application
Basic protection and advanced functions, communication
main function available
Earth fault protection; Protection against phase failure and phase imbalance; Manual reset; Protection against overload and short-circuit
Product compatibility
Power base LUB12; Power base LUB32; Power base LUB38; Power base LUB120; Power base LUB320; Power base LUB380; Reversing contactor breaker LU2B12B; Reversing contactor breaker LU2B32B
[Ue] rated operational voltage
690 V AC
Network frequency
40...60 Hz
Load type
3-phase motor - cooling: self-cooled
Utilisation category
AC-43; AC-44; AC-41
Motor power kW
1.5 kW at 400...440 V AC 50/60 Hz; 2.2 kW at 500 V AC 50/60 Hz; 3 kW at 690 V AC 50/60 Hz
rated motor current adjustment range
1.25…5 A
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
Tripping threshold
14.2 x Ir +/- 20 %
Phase failure sensitivity
Yes
[Uc] control circuit voltage
24 V AC
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
Typical current consumption
140 mA at 24 V AC I maximum while closing with LUB12; 220 mA at 24 V AC I maximum while closing with LUB32; 220 mA at 24 V AC I maximum while closing with LUB38; 70 mA at 24 V AC I rms sealed with LUB12; 90 mA at 24 V AC I rms sealed with LUB32; 90 mA at 24 V AC I rms sealed with LUB38
Heat dissipation
2 W for control circuit with LUB12; 3 W for control circuit with LUB32; 3 W for control circuit with LUB38
Operating time
35 ms opening with LUB12 for control circuit; 35 ms opening with LUB32 for control circuit; 35 ms opening with LUB38 for control circuit; 70 ms closing with LUB12 for control circuit; 70 ms closing with LUB32 for control circuit; 70 ms closing with LUB38 for control circuit
Reset
Manual reset
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
Product certifications
CE; UL; CSA; CCC; EAC; ASEFA; ATEX; Marine
[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
[Uimp] rated impulse withstand voltage
6 kV conforming to IEC 60947-6-2
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
Fixing mode
Plug-in (front face)
Width
45 mm
Height
66 mm
Depth
60 mm
Compatibility code
LUCB
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
Protective treatment
TH conforming to IEC 60068
Ambient air temperature for operation
-25…70 °C
Ambient air temperature for storage
-40…85 °C
Operating altitude
2000 m
Fire resistance
960 °C parts supporting live components conforming to IEC 60695-2-12; 650 °C conforming to IEC 60695-2-12
Shock resistance
10 gn power poles open conforming to IEC 60068-2-27; 15 gn power poles closed conforming to IEC 60068-2-27
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
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
Non-dissipating shock wave
1 kV serial mode conforming to IEC 60947-6-2; 2 kV common mode conforming to IEC 60947-6-2
Resistance to radiated fields
10 V/m 3 conforming to IEC 61000-4-3
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
Immunity to radioelectric fields
10 V conforming to IEC 61000-4-6
Immunity to microbreaks
3 ms
Immunity to voltage dips
70 % / 500 ms conforming to IEC 61000-4-11
Number of Units in Package 1
1
Number of Units in Package 2
23
Country of origin
FR
Warranty (in months)
18
Rated permanent current Iu
5 A
Number of poles
3
Short-circuit release function
Undelayed
Overload release current setting
1.25–5 A
Voltage type (supply voltage)
AC
External power supply required
Yes
Rated control supply voltage AC 50 Hz
24 V
Rated control supply voltage AC 60 Hz
24 V
With ground fault protection function
Yes
End value adjustment range undelayed short-circuit release
65 A
Operating voltage AC 50 Hz
690 V
Operating voltage AC 60 Hz
690 V
Type of motor protection
Electronic release
Voltage type for actuating
AC

Standards & Compliance

HS Code
8536.30

Cross References

  • EAN 3389110364149
  • SAP 1000023632
  • Code 8497628

Product Documentation

Document preview: Schneider Electric LUCB05B — OEM Product Page

Catalogue entry last verified: 2026-09-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy LUCB05B?
LUCB05B can be ordered from cballast.com as a Schneider Electric catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
What is the manufacturer part number for this Schneider Electric product?
The manufacturer part number is LUCB05B.
What is the HS code for LUCB05B?
The customs tariff (HS) code for LUCB05B is 8536.30.
Who manufactures LUCB05B?
LUCB05B is a Schneider Electric product in the Electrical Components range.
Is a datasheet available for LUCB05B?
Yes — the LUCB05B datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for LUCB05B?
The minimum order quantity is 1.
Is LUCB05B available?
Yes — LUCB05B is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).