Telemecanique LR2-D3357 Thermal Overload Relay

Description:

The Telemecanique LR2-D3357 Thermal Overload Relay is an adjustable motor protection relay used in industrial motor control systems to provide overload protection and phase failure detection. Commonly installed in motor starters, conveyors, pumps, compressors, and manufacturing equipment requiring reliable thermal protection for electric motors. Maintenance teams and system integrators use this relay for replacement, retrofit, and expansion of motor control systems to improve equipment safety and reduce unplanned downtime.

Applications:

The Telemecanique LR2-D3357 is commonly used in industrial automation systems, machine tools, HVAC equipment, and process control applications where three-phase motors require adjustable overload protection. Its compatibility with TeSys D contactors makes it suitable for motor control centers, electrical panels, and OEM machinery operating in demanding industrial environments.

Technical Specifications:

• Manufacturer Part Number (MPN): LR2-D3357
• Product Type: Thermal Overload Relay
• Manufacturer: Telemecanique / Schneider Electric
• Current Adjustment Range: 37 to 50 A
• Relay Class: Class 10A
• Number of Poles: 3
• Compatible Contactor Series: TeSys D / LC1D
• Mounting Type: Direct Mount to Contactor
• Application Environment: Industrial Motor Control Systems

Common Replacements:

• Schneider Electric LRD3357 Thermal Overload Relay
• ABB TA75DU-50 Thermal Overload Relay
• Siemens 3RU1146-4GB0 Thermal Overload Relay