The Schneider Electric LUCM12BL is a TeSys Ultra multifunction control unit designed for advanced motor control and protection, covering a rated current range of 3 to 12A at up to 690V AC. It operates on a 24V DC control circuit and integrates a multilingual LCD display with RS485 Modbus RTU communication for real-time diagnostics and remote monitoring.

Technical specifications:

• Commercial reference: LUCM12BL
• Manufacturer: Schneider Electric
• EAN: 3389110365115
• Series / range: TeSys Ultra
• Product type: Multifunction control unit
• Rated operational voltage [Ue]: 690V AC
• Network frequency: 40…60 Hz
• Control circuit voltage [Uc]: 24V DC
• Rated motor current adjustment range: 3…12A
• Motor power: up to 9 kW at 690V AC, 3-phase
• Thermal overload class: Class 5…30 (IEC 60947-6-2, UL 508)
• Tripping threshold: 14.2 x Ir +/- 20%
• Display: 2-line x 12-character LCD, multilingual (EN, FR, DE, IT, ES)
• Communication: RS485 Modbus RTU 19200 bit/s, RJ45 connector
• Rated insulation voltage [Ui]: 690V (IEC 60947-6-2)
• Rated impulse withstand voltage [Uimp]: 6 kV
• IP degree of protection: IP20 front panel and terminals, IP40 outside connection zone
• Fixing mode: Plug-in (front face)
• Dimensions (W x H x D): 45 x 66 x 60 mm
• Weight: 0.175 kg
• Operating temperature: -25…60C
• Storage temperature: -40…85C
• Certifications: CE, UL, CSA, CCC, EAC, ATEX, Marine
• Standards: EN/IEC 60947-6-2, UL 60947-4-1, CSA C22.2 No 60947-4-1

Features and benefits:

• Comprehensive motor protection against overload, short-circuit, earth fault, phase failure, and phase imbalance
• Integrated LCD display shows real-time motor parameters including average current, thermal state, and earth leakage current
• Logs the last 5 fault causes for simplified diagnostics and predictive maintenance
• Configurable thermal overload class (5 to 30) with manual, automatic, or remote reset options
• Compatible with TeSys Ultra power bases LUB12, LUB32, LUB38, LUB120, LUB320, and LUB380

Applications:

• Industrial motor starters in automation panels requiring sophisticated protection and diagnostic functions
• Pump and HVAC systems with self-cooled or force-cooled 3-phase and single-phase motors
• Reversing motor starter assemblies using LU2B reversing contactor breakers
• Remote monitoring applications via Modbus RTU communication networks

Compliant with EN/IEC 60947-6-2, UL 60947-4-1, and CSA C22.2 No 60947-4-1. Part of the Schneider Electric TeSys Ultra range.

Also known as: Schneider LUCM12BL, Schneider Electric LUCM12BL, TeSys Ultra motor management relay.