Schneider Electric LB1-LC03M04 Protection Module

Description:

The Telemecanique LB1LC03M04 Protection Module is used in industrial motor control systems to provide adjustable thermal-magnetic protection for compatible INTEGRAL self-protected motor starters. Commonly installed in motor control centers (MCCs), conveyor systems, pumps, compressors, and industrial control panels. Maintenance teams, OEMs, and system integrators use this 3-pole protection module for repair, replacement, retrofit, or industrial automation maintenance.

Applications:

The Telemecanique LB1LC03M04 Protection Module is commonly used in industrial facilities to provide adjustable motor overload and short-circuit protection in equipment such as conveyors, pumps, compressors, packaging machines, HVAC systems, material handling equipment, robotics, production lines, MCCs, and industrial control panels where dependable motor protection, reliable machine control, process monitoring, and electrical interlocking are essential.

Technical Specifications:

• Manufacturer: Telemecanique / Schneider Electric
• Model / Part Number: LB1LC03M04 (LB1-LC03M04)
• Product Type: Thermal-Magnetic Protection Module
• Product Series: INTEGRAL 32 (LB1LC)
• Number of Poles: 3
• Function: Adjustable motor overload and magnetic short-circuit protection
• Thermal Adjustment Range: 0.4–0.63 A
• Magnetic Trip Setting: Adjustable, 6 to 12 × maximum thermal current (approximately 3.8–7.6 A)
• Tripping Class: Class 10, ambient compensated
• Rated Operational Voltage (Ue): Up to 690 VAC
• Rated Breaking Capacity: 42 kA at 480 VAC (with compatible INTEGRAL starter)
• Mounting: Direct mounting on compatible INTEGRAL motor starters
• Compatible Devices: LD1LC030, LD4LC030, and LD5LC130 INTEGRAL self-protected combination motor controllers
• Standards: IEC 947-6-2, UL, CSA, VDE, ASTA, DEMKO, NEMKO, SEMKO
• Application Environment: Industrial motor control, automation systems, and electrical control panels.

Common Replacements:

• Schneider Electric LB1LC03M04 Thermal-Magnetic Protection Module
• Siemens SIRIUS 3RV2 Motor Protection Circuit Breaker
• Allen-Bradley Bulletin 140M Motor Protection Circuit Breaker