TeSys Ultra Control Unit 1.25-5A 690VAC 3-Phase Motor Starter
Schneider Electric

Schneider Electric LUCB05BL TeSys Ultra Control Unit 1.25-5A 690VAC 3-Phase Motor Starter

  • MPN: LUCB05BL
  • PPN: SCH-LUCB05BL

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Spec sheet

Description

TeSys U control and diagnostic unit to be inserted in advanced power bases LUB120, LUB320, LUB380 to form a TeSys U starter controller, for 3-phase motor applications up to 1.5kW@400V. It provides full protection to motors with a rated current Ir 1.25-5A (Ir adjustable), overload tripping class 10, short circuit at 13 x Irmax, overcurrent at 14.2 x Ir, phase loss, insulation fault (protection of equipment only). It provides a thermal overload alarm to be used locally using a LUFDA module or remotely using a LULC module, and a test push button for overload simulation. To be used with a 24V DC voltage for the control of the starter (through the control terminals A1/A2 located in the power base). Certified when used in conjunction with a LUB power base (IEC, UL, CSA, CCC, EAC, Marine).

Features

  • The Schneider Electric LUCB05BL features an adjustable motor current range from 1.25 to 5 A, allowing industrial control engineers to tune precise thermal overload thresholds for varying motor sizes. This wide calibration range eliminates the need to source multiple distinct components, significantly reducing spare parts inventory costs and simplifying system scaling.
  • Engineered for seamless integration within the TeSys Ultra modular ecosystem, this plug-in module directly fits standard LUB12, LUB32, and LUB38 power bases as well as LU2B reversing contactor breakers. The hot-swappable front-face mounting architecture allows maintenance electricians to perform fast upgrades or replacements without disturbing control circuit wiring, maximizing production uptime.
  • This advanced control unit operates on a 24 VDC control circuit voltage, drawing a low power consumption of only 130 mA to 220 mA during closing cycles. This compatibility standardizes your control scheme with common industrial programmable logic controllers (PLCs) and standard 24V power supplies, minimizing electrical noise and eliminating the need for bulky step-down transformers.
  • Beyond basic short-circuit mitigation, the unit features built-in phase failure sensitivity, phase imbalance monitoring, and manual-reset earth fault protection. It instantly identifies unstable utility lines or incoming power drops before the winding insulation overheats, preventing catastrophic motor burnout and expensive unscheduled facility downtime.
  • Adhering to rigorous global standards, the unit carries UL 508, CSA C22.2, CE, CCC, and ATEX certifications alongside a Class 10 thermal overload rating conforming to IEC 60947-6-2. These stringent compliance markers guarantee reliable, flame-resistant operation up to 70 C, satisfying strict plant safety protocols and demanding engineer specifications right out of the box.

Documentation & Downloads

Specifications

Key Specifications

Country of Origin
Brazil, France, Mexico, United States
Depth60 mm

Complementary Attributes

Control Circuit Voltage Limits
20...27 V DC 24 V in operation, 14.5 V DC 24 V drop-out

Important Information Attributes

Persona Type Ids
EU, LC, OM, OM8, PB
Market Segmentation Id
COMMERCIAL, INDUSTRIAL
Device Application
motor control, motor protection
Function Available
protection against overload and short-circuit, manual reset, earth fault protection, protection against phase failure and phase imbalance
Motor Power Kw
1.5 kW 400...440 V AC 50/60 Hz, 2.2 kW 500 V AC 50/60 Hz, 3 kW 690 V AC 50/60 Hz
Resistance To Electrostatic Discharge
8 kV 3 in open air IEC 61000-4-2, 8 kV 4 on contact IEC 61000-4-2
Safe Separation Of Circuit
400 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
Thermal Overload Class
class 10 40-60 Hz -25-70 °C IEC 60947-6-2, class 10 40-60 Hz -25-70 °C UL 508
Utilisation Category
AC-44, AC-41, AC-43
Certificate Agency
CE, UL, CSA, CCC, EAC, ASEFA, ATEX, Marine
Carbon Footprint Of The Distribution Phase [A4]
0.0603698671756317, 0.1 kg CO2 eq.
Carbon Footprint Of The Installation Phase [A5]
0 kg CO2 eq., 0.008570527916106864
Carbon Footprint Of The Use Phase [B2, B3, B4, B6]
18 kg CO2 eq., 17.99763128339567
Local Publishable Date
2026-03-26
Stocking Flag
N
Device Type
Relay, Control & Measurement - measuring, monitoring device
Traceability
Yes
Average Life Duration
15 year(s)
Weee Scope
In
Scope Perimeter
At least in Europe
End Of Life Doc Ref
ENVEOLI2406038EN
Reach Full Compliance Status Id
CONTAINS_SVHC
Rohs Eur In Scope
Yes
Rohs Eur Conformity Date
2423
China Rohs In Scope
Yes
With Recycled Cardboard
Yes
Product Contributes To Saved And Avoided Emissions
No
Tier
2
Function Option
Standard
Compatibility Code
LUCB
Energy Efficiency Optimized
False
Immunity To Microbreaks
3 ms
Immunity To Voltage Dips
70 % / 500 ms IEC 61000-4-11
Network Frequency
40...60 Hz
Product Availability
Stock - Normally stocked in distribution facility
Product Or Component Type
advanced control unit
Protective Treatment
TH IEC 60068
Range Of Product
TeSys Ultra
Resistance To Radiated Fields
10 V/m 3 IEC 61000-4-3
Software Version
v6.1
Thermal Protection Adjustment Range
1.25-5 A
Tripping Threshold
14.2 x Ir +/- 20 %
Pop Directive
No POPs
Control Circuit Voltage 3 Control Circuit Voltage
24 V
Database Version
2023-02
Pcr Version
PCR-4-ed4-EN-2021 09 06
Type Of Verification For The Pep
Independent external review
Functional-unit Description
Establish and cut off the supply of a downstream installation from an electrical and/or mechanical control characterised by the composition of the poles or type of contacts X, a rated voltage of Ue, a rated current Ie, a control circuit voltage Uc, with Np poles, and if applicable the specific specifications, in the Household/Commercial or Industrial application areas, according to the appropriate use scenario, and during the reference service life of the product of 20 years
Functional-unit Unit
unit
Energy Consumption On Product Lifetime, In Kwh
269.37
Energy Model - Installation [A5]
Electricity Mix; Low voltage; 2018; France, FR
Energy Model - End Of Life [C1-c4]
Electricity Mix; Low voltage; 2018; France, FR
Height Nominal
66 mm
[Uc] Control Circuit Voltage
24 V DC
[Uimp] Rated Impulse Withstand Voltage
6 kV IEC 60947-6-2
Nbr. Of Units In Pkg.
1
Take-back
No
Persona Type NamesEnd User, Contractor, Original Equipment Manufacturer, OEM - Control Panelbuilder, Panel Builder
Market SegmentationCommercial, Industrial
Fire Resistance960 °C parts supporting live components IEC 60695-2-12, 650 °C IEC 60695-2-12
Heat Dissipation2-2 W control circuit with LUB12, 3-3 W control circuit with LUB32, 3-3 W control circuit with LUB38
Operating Time70 ms closing with LUB32 control circuit, 70 ms closing with LUB38 control circuit35 ms opening with LUB12 control circuit, 35 ms opening with LUB32 control circuit, 35 ms opening with LUB38 control circuit, 70 ms closing with LUB12 control circuit
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
Shock Resistance10 gn power poles open IEC 60068-2-27, 15 gn power poles closed IEC 60068-2-27
Typical Current Consumption80 mA 24 V DC I rms sealed with LUB38, 130 mA 24 V DC I maximum while closing with LUB12, 220 mA 24 V DC I maximum while closing with LUB32, 220 mA 24 V DC I maximum while closing with LUB38, 60 mA 24 V DC I rms sealed with LUB12, 80 mA 24 V DC I rms sealed with LUB32
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
[Ui] Rated Insulation Voltage690 V IEC 60947-6-2, 600 V UL 60947-4-1, 600 V CSA C22.2 No 60947-4-1
Carbon Footprint Of The End-of-life Phase [C1 To C4]0.2762929347230257, 0.3 kg CO2 eq.
Carbon Footprint Of The Manufacturing Phase [A1 To A3]1 kg CO2 eq., 1.054708042719846
Local Data StatusPublishable
Return IndicatorY
Stock Policy2
ServiceabilityNo
Field Service DivisionPPIBS
Weee ApplicabilityFinished product
Weee Product Category5
Eoli Availability DisplayYes
Reach Full Compliance StatusReference contains Substances of Very High Concern above the threshold
Reach Compliance DirectiveReference contains Substances of Very High Concern above the threshold
Rohs Eur StatusCompliant By Exemption
Rohs Eur Full Compliance StatusCompliant By Exemption
China Rohs Label7
Without Single Use PlasticYes
Tier Id2
Function Option IdSTANDARD
Product Kit IdentifierN
Device Short NameLUCB
Fixing Modeplug-in (front face)
Immunity To Radioelectric Fields10 V IEC 61000-4-6
Load Type3-phase motor self-cooled
Phase Failure Sensitivityyes
Product NameTeSys Ultra
Product Specific Applicationbasic protection and advanced functions, communication
RangeTeSys
Resetmanual reset
ReturnabilityYes
Sustainable PackagingYes
Total Lifecycle Carbon Footprint19 kg CO2 eq.
Weee LabelThe product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins.
R Thermal Protection Adj Range1.25-5 A
Pep CodeENVPEP2406038EN
Pep Verification Date2024-06-01
Psr VersionPSR-0005-ed3.1-EN-2023 12 08
Data Sourceextrapolated product
Functional-unit Quantity1
Reference Lifetime, In Y20
Energy Model - Manufacturing [A1-a3]France, FR
Energy Model - Use [B6]Electricity Mix; Low voltage; 2018; France, FR
Recyclability Potential, In %56
Width Nominal45 mm
[Ue] Rated Operational Voltage690 V AC
Halogen-free StatusHalogen free plastic parts product
Package Weight(Lbs)113.000 g
Warranty (In Months)18

Environment Attributes Main

Ambient Air Temperature For Storage
-40-85 °C, -40-85 °C
Product Compatibility
power base LUB12, power base LUB32, power base LUB38, power base LUB120, power base LUB320, power base LUB380, reversing contactor breaker LU2B12BL, reversing contactor breaker LU2B32BL, reversing contactor breaker LU2B38BL
Halogene Performance
Halogen free plastic parts product
China Rohs Regulation
X
Carbon Footprint
19.39757265593028
Circularity Profile
ENVEOLI2406038EN
Eu Rohs Directive
Compliant By Exemption
Operating Altitude
6561.68 ft (2000 m)
Packaging Without Single Use Plastic
Yes
Pep Code
ENVPEP2406038EN
Pcr Version
PCR-4-ed4-EN-2021 09 06
Type Of Verification For The Pep
Independent external review
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
Take BackNo
Recycled Metal Content At Cr Level0 %
Mercury FreeYes
Ambient Air Temperature For Operation-25-70 °C-25-70 °C
Environmental DisclosureENVPEP2406038EN
Halogen Content PerformanceHalogen free plastic parts product
Packaging Made With Recycled CardboardYes
Reach RegulationReference contains Substances of Very High Concern above the threshold
Pep Verification Date2024-06-01
Psr VersionPSR-0005-ed3.1-EN-2023 12 08

General Attributes

Product Or Component Type
advanced control unit
Range Of ProductTeSys Ultra

ETIM

ETIM 8
EC000617
ETIM 9EC000617

Contractual Warranty Attributes

Warranty Period
18 months
Warranty18 months

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