Square D LUCB TeSys Ultra Advanced Control Unit, Class 10

Square D LUCB TeSys Ultra Advanced Control Unit, Class 10, 110-240VAC/DC Coil

The Square D LUCB TeSys Ultra Advanced Control Unit is a control and diagnostic module designed to insert into TeSys U advanced power bases (LUB320, LUB380, LUB32, LUB38) to form a complete TeSys U starter controller for 3-phase motor applications up to 7.5kW at 400V. This family of control units is available across Motor FLA ratings from 1.25A to 4.5A to match a range of motor starter configurations, while sharing a common rated current Ir of 4.5-18A, Class 10 thermal overload protection, and a 110-240VAC/DC control circuit coil. Backed by UL, CSA, CE, ATEX, and CCC certifications, it is engineered for dependable protection and diagnostics in industrial motor control applications.

Key Features

• Motor FLA Range: Available in Motor FLA options of 1.25A, 3A, and 4.5A to suit the specific motor starter application.
• Rated Current: Provides full motor protection with a rated current Ir of 4.5-18A.
• Motor Power Compatibility: Supports 3-phase motor applications up to 7.5kW at 400-440VAC, 9kW at 500VAC, and 15kW at 690VAC (50/60Hz).
• Class 10 Thermal Overload: Class 10 thermal overload protection rated for 40-60Hz operation across -25 to 70°C per IEC 60947-6-2 and UL 508.
• Control Circuit Voltage: 110-240VAC/DC coil (Uc 110-220VDC / 110-240VAC), with operating limits of 88-242VDC and 88-264VAC.
• Protection Functions: Includes manual reset, earth fault protection, protection against phase failure and phase imbalance, and protection against overload and short-circuit.
• IP Degree of Protection: IP20 on other faces and on the front panel/wired terminals, IP40 on the front panel per IEC 60947-1.
• Fixing Mode: Plug-in mounting at the front face for fast installation into compatible power bases.
• Compatibility: Compatible with power bases LUB32, LUB320, LUB38, LUB380 and reversing contactor breakers LU2B32FU, LU2B38FU.

Certifications & Compliance

• UL Listed
• CSA Certified
• CE Marked
• ATEX Certified
• CCC Certified
• EAC Certified
• ASEFA Certified
• Marine Certified
• Compliant with IEC 60947-6-2, EN 60947-6-2, UL 60947-4-1, and CSA C22.2 No 60947-4-1

Technical Specifications

• Listing: UL
• Warranty Period: 18 months
• Sustainable Packaging: Yes
• Recycled Metal Content At Cr Level: 0 %
• Serviceability: No
• With Recycled Cardboard: Yes
• WEEE Scope: In
• China ROHS In Scope: No
• Legacy WEEE Scope: In
• Packaging Made With Recycled Cardboard: Yes
• Without Single Use Plastic: Yes
• ROHS Exemption Information: Yes
• WEEE Product Category: 5
• Mercury Free: Yes
• ROHS Eur Full Compliance Status Id: COMPLIANT_WITH_EXEMPTIONS
• Packaging Without Single Use Plastic: Yes
• ROHS Eur In Scope: Yes
• Phase Failure Sensitivity: yes
• China ROHS Label: 7
• Environmental Disclosure: ENVPEP2406038EN
• ROHS Eur Status: Compliant with Exemptions

Typical Applications

• 3-Phase Motor Starter Control and Protection
• Industrial Motor Control Panels
• Motor Overload, Short-Circuit, and Earth Fault Protection
• Motor Control Center and Panelboard Integration
• Renovation and New Construction Motor Control Upgrades

Why Square D?

Square D engineers the TeSys Ultra LUCB control unit family with robust IP20/IP40 protection, Class 10 thermal overload performance, and multi-standard certification including UL, CSA, CE, and ATEX. Backed by an 18-month warranty, this advanced control unit delivers dependable, code-compliant motor protection and diagnostics across its full Motor FLA range for demanding industrial motor control applications.