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Schneider Electric LUCB18BL

Schneider LUCB18BL TeSys Ultra Motor Control, 24V

MPNLUCB18BL
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Schneider Electric TeSys Ultra advanced control unit, LUCB18BL, 24 V DC, manual reset, tripping threshold 14.2 x Ir, motor power up to 15 kW at 690 V.

$67.44 – $184.14Ref. price · indicative, final on quote
Schneider Electric LUCB18BL datasheet (PDF)
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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Specifications

LUCB18BL key specifications
ParameterValue
Load type3-phase motor self-cooled
Range of productTeSys Ultra
Product or component typeAdvanced control unit
Immunity to voltage dips70 % / 500 ms IEC 61000-4-11
Coil voltage24 V DC
Voltage690 V IEC 60947-6-2 600 V UL 60947-4-1 600 V CSA C22.2 No 60947-4-1
Control circuit voltage limits20...27 V DC 24 V in operation 14.5 V DC 24 V drop-out
[Ue] rated operational voltage690 V AC
[Uimp] rated impulse withstand voltage6 kV IEC 60947-6-2
Typical current consumption220 mA 24 V DC I maximum while closing with LUB32 220 mA 24 V DC I maximum while closing with LUB38 80 mA 24 V DC I rms sealed with LUB32 80 mA 24 V DC I rms sealed with LUB38
Rated motor current adjustment range4.5...18 A
Motor power7.5 kW 400...440 V AC 50/60 Hz 9 kW 500 V AC 50/60 Hz 15 kW 690 V AC 50/60 Hz

All specifications

LUCB18BL additional specifications
ParameterValue
Network frequency40...60 Hz
Phase failure sensitivityYes
Utilisation categoryAC-44 AC-41 AC-43
IP degree of protectionIP20 front panel and wired terminals IEC 60947-1 IP20 other faces IEC 60947-1 IP40 front panel outside connection zone IEC 60947-1
Shock resistance10 gn power poles open IEC 60068-2-27 15 gn power poles closed IEC 60068-2-27
Operating altitude6561.68 ft (2000 m)
Vibration resistance2 gn 5...300 Hz power poles open IEC 60068-2-6 4 gn 5...300 Hz power poles closed IEC 60068-2-6
Depth2.4 in (60 mm)
Width1.8 in (45 mm)
Height2.6 in (66 mm)
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
RangeTeSys
ResetManual reset
CategoryUS10I1122397
Fixing modePlug-in (front face)
Operating time35 ms opening with LUB32 control circuit 35 ms opening with LUB38 control circuit 70 ms closing with LUB32 control circuit 70 ms closing with LUB38 control circuit
Fire resistance1760 °F (960 °C) parts supporting live components IEC 60695-2-12 1202 °F (650 °C) IEC 60695-2-12
Heat dissipation3 W control circuit with LUB32 3 W control circuit with LUB38
Device short nameLUCB
Compatibility codeLUCB
Device applicationMotor control Motor protection
Tripping threshold14.2 x Ir +/- 20 %
Protective treatmentTH IEC 60068
Thermal overload classClass 10 40...60 Hz -13...158 °F (-25...70 °C) IEC 60947-6-2 Class 10 40...60 Hz -13...158 °F (-25...70 °C) UL 508
Immunity to microbreaks3 ms
Main function availableProtection against overload and short-circuit Manual reset Earth fault protection Protection against phase failure and phase imbalance
Safe separation of circuit400 V SELV between the control and auxiliary circuits IEC 60947-1 400 V SELV between the control or auxiliary circuit and the main circuit IEC 60947-1
Product specific applicationBasic protection and advanced functions, communication
Resistance to fast transients2 kV 3 serial link IEC 61000-4-4 4 kV 4 all circuits except for serial link IEC 61000-4-4
Resistance to radiated fields9.1 V/m (10 V/m) 3 IEC 61000-4-3
Immunity to radioelectric fields10 V IEC 61000-4-6
Ambient air temperature for storage-40...185 °F (-40...85 °C)
Ambient air temperature for operation-13...158 °F (-25...70 °C)
Resistance to electrostatic discharge8 kV 3 in open air IEC 61000-4-2 8 kV 4 on contact IEC 61000-4-2

Product details

Integrator’s quick take

Schneider Electric LUCB18BL is a TeSys Ultra advanced control unit for motor protection and control. Manual reset, tripping threshold set at 14.2 × Ir — so short-circuit protection scales with the overload setting. Motor power: 7.5 kW at 400 V, 9 kW at 500 V, 15 kW at 690 V. Coil draws 220 mA inrush, 80 mA sealed, 24 V DC. Opens in 35 ms, closes in 70 ms with LUB32 or LUB38 control circuit. Rated AC-44/AC-41/AC-43 — handles mixed motor and resistive loads. Phase failure protection built in. IP20 front, IP40 above panel. No separate base needed; front-face plugs into the TeSys Ultra contactor.

Sourcing reality

LUCB18BL is current production. Order via RFQ for lead times and pricing.

Plug-in mount onto the contactor frame — no extra screw or snap track. Vertically oriented; allow 60 mm behind the panel (depth). Ambient -25 to 70 °C with class 10 overload curve. Altitude 2000 m derating starts above that. Operating altitude: 2000 m. Vibration 4 gn closed contacts, 2 gn open. Shock 15 gn closed, 10 gn open. IP20 wired terminals means no extra finger duct needed inside the panel.

Listed under 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). TH protective treatment per IEC 60068. Fire resistance 960 °C on live-part supports. Safe separation 400 V SELV between control/auxiliary and main circuits. No separate RFQ for UL/CSA marks — they’re factory-stamped.

Frequently asked questions

What are the key ratings for the LUCB18BL?

24 V DC control voltage, tripping threshold 14.2 x Ir, motor power up to 15 kW at 690 V, manual reset, class 10 thermal overload.

What compliance standards does the LUCB18BL meet?

It complies with EN 60947-6-2, IEC 60947-6-2, UL 60947-4-1 (with phase barrier), and CSA C22.2 No 60947-4-1 (with phase barrier).

What is the physical depth of the LUCB18BL?

Depth is 2.4 in (60 mm).

MPN
LUCB18BL