Schneider EasyPact TVS Thermal Overload Relay LRE359

Schneider Electric EasyPact TVS Thermal Overload Relay LRE359 – Industrial-Grade Motor Protection

The Schneider EasyPact TVS Thermal Overload Relay LRE359 is a high-performance, three-phase differential thermal overload relay designed to safeguard medium-power motors in industrial and commercial electrical systems. Part of Schneider Electric’s EasyPact TVS range, this relay provides reliable protection against prolonged overload, phase loss, and unbalanced conditions — helping ensure motor durability and operational continuity.

🔌 What Is the Schneider LRE359 Thermal Overload Relay?

The LRE359 is a three-pole differential thermal overload relay with an adjustable current protection range of 48 – 65 A, making it suitable for motor protection in medium-capacity three-phase applications such as pumps, compressors, fans, and conveyor systems. It continuously monitors current across all three phases and disconnects power when sustained overload, phase fault, or imbalance conditions are detected, preventing motor overheating and mechanical damage.

Built with IEC-compliant Class 10A tripping characteristics, this relay balances tolerance for normal start-up current surges with dependable response during prolonged overload situations.

🛠️ Key Features & Benefits

• Adjustable Current Setting (48 – 65 A): Customize thermal protection to match your motor’s full-load current range for precise safeguarding.

• Class 10A Trip Curve (IEC 60947-4-1): Offers dependable overload and phase-loss response while tolerating normal start-up surges.

• Three-Pole Differential Protection: Monitors all three phases for balanced operation, overloads, and unbalance conditions.

• Manual & Automatic Reset: Choose between reset modes based on application and maintenance requirements.

• Auxiliary Contacts (1 NO + 1 NC): Provides signalling outputs for control panels, PLCs, or automation integration.

• Trip Indicator Flag: Visual trip status indicator simplifies troubleshooting and maintenance.

• Secure Screw-Clamp Terminals: Ensures vibration-resistant, reliable connections for both power and control wiring.

• Direct Mounting on EasyPact TVS Contactors: Streamlines installation and reduces panel space needs.

⚙️ Why Choose the LRE359 Overload Relay?

Thermal overload relays like the Schneider LRE359 are key components in three-phase motor systems. By detecting sustained overcurrent and abnormal phase conditions early, this relay helps you:

• Prevent motor overheating and potential winding damage

• Minimize unplanned downtime and reduce maintenance costs

• Enhance electrical safety with early trip signalling

• Extend motor and system life through reliable, adjustable protection

• Build compact motor starter designs with EasyPact TVS components

Whether you are designing new motor control panels or upgrading existing systems, the LRE359 provides dependable overload protection where performance and safety matter.

📌 Typical Applications

The Schneider EasyPact TVS Thermal Overload Relay LRE359 is ideal for use in:

• Motor starter panels with EasyPact TVS contactors

• Industrial pumps, compressors & blower systems

• Conveyor and material handling circuits

• HVAC motor drives and ventilation systems

• Automated production machinery requiring reliable motor protection