Telemecanique LB1-LC03M53 Thermal-Magnetic Protection Module

Description:

The Telemecanique LB1LC03M53 Thermal-Magnetic Protection Module is used in industrial motor control systems to provide adjustable thermal overload and magnetic short-circuit protection for compatible Integral 32 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 protection module for repair, replacement, retrofit, or industrial automation maintenance.

Applications:

The Telemecanique LB1LC03M53 Thermal-Magnetic Protection Module is commonly used in industrial facilities to provide dependable motor 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 overload protection, reliable machine control, process monitoring, and electrical interlocking are essential.

Technical Specifications:

• Manufacturer: Telemecanique / Schneider Electric
• Model / Part Number: LB1LC03M53 (LB1-LC03M53)
• Product Type: Thermal-Magnetic Protection Module
• Product Series: Integral 32 (LB1LC)
• Number of Poles: 3
• Function: Adjustable thermal overload and magnetic short-circuit protection for three-phase motors
• Thermal Protection Adjustment Range: 23–32 A
• Magnetic Tripping Current (Id): 190–380 A
• Thermal Overload Class: Class 10
• Rated Operational Voltage (Ue): Up to 690 VAC
• Motor Power Rating: 7.5 kW at 220–240 VAC; 15 kW at 400–440 VAC; 18.5 kW at 480–525 VAC; 25 kW at 600–690 VAC
• Utilization Category: AC-43
• Breaking Capacity: 50 kA at 220–690 VAC
• Protection Type: Thermal overload, magnetic short-circuit, and phase imbalance protection
• Compatible Devices: Telemecanique Integral 32 LD1LC, LD4LC, and LD5LC self-protected combination motor controllers
• Standards: IEC 60947-4 Type 2, NF C 63-650
• Product Weight: Approximately 0.40 kg
• Application Environment: Industrial motor control, automation systems, and electrical control panels.

Common Replacements:

• Schneider Electric LB1LC03M53 Thermal-Magnetic Protection Module
• Siemens SIRIUS 3RV2 Motor Protection Circuit Breaker
• Allen-Bradley Bulletin 140M Motor Protection Circuit Breaker