The Schneider Electric LUCA05BL is a standard control unit in the TeSys Ultra range, offering overload and short circuit protection for three-phase motor starters. It operates with a 24 V DC control circuit and covers a rated motor current adjustment range of 1.25 to 5 A, supporting motors up to 3 kW at 690 V AC.

Technical specifications:

• Commercial reference: LUCA05BL
• Manufacturer: Schneider Electric
• EAN: 3389110363838
• Series / range: TeSys Ultra
• Product type: Standard control unit
• Rated motor current adjustment range: 1.25…5 A
• Control circuit voltage [Uc]: 24 V DC
• Control circuit voltage range: 20…27 V DC (operating), 14.5 V DC (voltage dip)
• Rated operational voltage [Ue]: 690 V AC, 40…60 Hz
• Usage category: AC-41, AC-43, AC-44
• Motor power: 1.5 kW at 400…440 V AC / 2.2 kW at 500 V AC / 3 kW at 690 V AC
• Overload tripping class: Class 10, trip threshold 14.2 x Ir +/- 20%
• Rated insulation voltage [Ui]: 690 V (IEC 60947-6-2), 600 V (UL/CSA)
• Rated impulse withstand voltage [Uimp]: 6 kV
• Mounting: Plug-in (front)
• Dimensions (W x H x D): 45 x 66 x 60 mm
• Weight: 0.135 kg
• IP rating: IP20 (front panel and wired connections), IP40 (external connection zone)
• Operating temperature: -25…70 C
• Storage temperature: -40…85 C
• Operating altitude: 2000 m
• Certifications: CE, UL, CSA, CCC, EAC, ASEFA, ATEX, Marine

Features and benefits:

• Integrated motor starter protection: overload, short circuit, phase loss, phase imbalance, and ground fault in a single unit
• Class 10 temperature-compensated tripping across the full -25 to 70 C operating range
• Manual reset function for controlled fault recovery after a trip event
• Compatible with TeSys Ultra power bases LUB12, LUB32, and LUB38, and reversing units LU2B12BL, LU2B32BL, and LU2B38BL

Applications:

• Direct-on-line motor starter assemblies in industrial control panels
• Reversing starter configurations using compatible TeSys Ultra power bases
• Motor protection in factory automation and process control systems
• Installations requiring ATEX-certified or marine-rated motor control solutions

Compliant with IEC 60947-6-2, EN 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 LUCA05BL, Schneider Electric LUCA05BL, TeSys Ultra motor control unit, standard motor protection relay.