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Datasheet generated 2026-10-07
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Schneider Electric Advanced control unit, TeSys U, 4.5-18A, 1P motors, protection & diagnostic, class 10, coil 24V DC LUCC18BL

Schneider Electric · Electrical Components · Circuit Breaker Accessories · France · se.com
Part Number
LUCC18BL  ·  HS 8537.10
Schneider Electric Advanced control unit, TeSys U, 4.5-18A, 1P motors, protection & diagnostic, class 10, coil 24V DC LUCC18BL

Schneider Electric LUCC18BL Protection U ADV 4,5-18A 24VDC.

Technical Specifications

Manufacturer part number (MPN)LUCC18BL
EAN / GTIN3389110364507
Sales unitpcs
Package quantity23 pcs
Voltage24 V DC
Setting range4.5-18 A
RangeTeSys
Range of productTeSys Ultra
Product nameTeSys Ultra
Device short nameLUCC
Product or component typeAdvanced control unit
Device applicationMotor control; Motor protection
Product specific applicationBasic protection and advanced functions, communication
main function availableManual reset; Earth fault protection; Protection against phase failure and phase imbalance; Protection against overload and short-circuit
Product compatibilityPower base LUB32; Power base LUB38; Power base LUB320; Power base LUB380; Reversing contactor breaker LU2B32BL; Reversing contactor breaker LU2B38BL
[Ue] rated operational voltage690 V AC
Network frequency40...60 Hz
Load typeSingle-phase motor
Utilisation categoryAC-44; AC-43; AC-41
Motor power kW4 kW at 400...440 V AC 50/60 Hz for 1 phase motors
rated motor current adjustment range4.5…18 A
Thermal overload classClass 10 - frequency limit: 40…60 Hz - temperature compensation: -25…55 °C conforming to IEC 60947-6-2; Class 10 - frequency limit: 40…60 Hz - temperature compensation: -25…55 °C conforming to UL 508
Tripping threshold14.2 x Ir +/- 20 %
[Uc] control circuit voltage24 V DC
Control circuit voltage limits20...27 V for DC circuit 24 V in operation; 14.5 V for DC circuit 24 V drop-out
Typical current consumption220 mA at 24 V DC I maximum while closing with LUB32; 220 mA at 24 V DC I maximum while closing with LUB38; 80 mA at 24 V DC I rms sealed with LUB32; 80 mA at 24 V DC I rms sealed with LUB38
Heat dissipation3 W for control circuit with LUB32; 3 W for control circuit with LUB38
Operating time35 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
ResetManual reset
StandardsEN 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 certificationsCE; UL; CSA; CCC; EAC; ASEFA; ATEX; Marine
[Ui] rated insulation voltage690 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 voltage6 kV conforming to IEC 60947-6-2
Safe separation of circuit400 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 modePlug-in (front face)
Width45 mm
Height66 mm
Depth60 mm
Compatibility codeLUCC
IP degree of protectionIP20 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 treatmentTH conforming to IEC 60068
Ambient air temperature for operation-25…70 °C
Ambient air temperature for storage-40…85 °C
Operating altitude2000 m
Fire resistance960 °C parts supporting live components conforming to IEC 60695-2-12; 650 °C conforming to IEC 60695-2-12
Shock resistance10 gn power poles open conforming to IEC 60068-2-27; 15 gn power poles closed conforming to IEC 60068-2-27
Vibration resistance2 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 discharge8 kV level 3 in open air conforming to IEC 61000-4-2; 8 kV level 4 on contact conforming to IEC 61000-4-2
Resistance to radiated fields10 V/m 3 conforming to IEC 61000-4-3
Resistance to fast transients2 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 fields10 V conforming to IEC 61000-4-6
Immunity to microbreaks3 ms
Immunity to voltage dips70 % / 500 ms conforming to IEC 61000-4-11
Country of originFR
Warranty (in months)18
Rated permanent current Iu18 A
Number of poles3
Short-circuit release functionUndelayed
Overload release current setting4.5–18 A
Voltage type (supply voltage)DC
External power supply requiredYes
Rated control supply voltage DC24 V
With ground fault protection functionYes
End value adjustment range undelayed short-circuit release234 A
Operating voltage AC 50 Hz690 V
Operating voltage AC 60 Hz690 V
Type of motor protectionElectronic release
Voltage type for actuatingDC

Properties

MOQ1

Cross-References

Attached Documents