Schneider LUCB18BL Advanced control unit

The Schneider Electric LUCB18BL is an advanced control unit in the TeSys Ultra range, designed for motor control and protection applications. It delivers overload, short-circuit, and phase loss protection with a current adjustment range of 4.5 to 18 A and a 24 V DC control circuit voltage.

Technical specifications:

• Commercial reference: LUCB18BL
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys Ultra
• Rated operating voltage: 690 V AC
• Control circuit voltage: 24 V DC (operating range: 20...27 V DC)
• Motor current adjustment range: 4.5...18 A
• Motor power: 7.5 kW at 400...440 V AC, 9 kW at 500 V AC, 15 kW at 690 V AC
• Overload tripping class: Class 10
• Trip threshold: 14.2 x Ir +/- 20%
• Reset: Manual
• Mounting: Plug-in (front)
• Dimensions (W x H x D): 45 x 66 x 60 mm
• IP protection: IP20 (front panel and wiring), IP40 (front panel, external connection zone)
• Operating temperature: -25...70°C
• Operating altitude: 2000 m
• Certifications: CE, UL, CSA, CCC, EAC, ATEX, Marine
• Standards: IEC/EN 60947-6-2, UL 60947-4-1, CSA C22.2 No 60947-4-1

Features and benefits:

• Integrated overload and short-circuit protection with Class 10 tripping characteristic
• Phase loss and phase imbalance protection with automatic detection
• Wide current adjustment range of 4.5 to 18 A suits multiple motor sizes up to 15 kW
• Compatible with LUB32, LUB38, LUB320, and LUB380 power bases for flexible system configuration
• 400 V SELV safe separation between control, auxiliary, and main circuits per IEC 60947-1
• Halogen-free plastics and PVC-free construction

Applications:

• Motor starter assemblies in industrial automation and process control panels
• Reversing motor control with compatible reversing units LU2B32BL or LU2B38BL
• HVAC and pump motor protection in three-phase AC systems
• Motor control centers for loads up to 15 kW at 690 V AC

Compliant with IEC/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 LUCB18BL, Schneider Electric LUCB18BL, TeSys Ultra advanced control unit, motor protection control unit.