Thermal Overload Relay LR2 D13

Thermal Overload Relay LR2 D13 – Reliable Motor Protection for Industrial Applications

The Thermal Overload Relay LR2 D13 is a high-performance, dependable protection device designed to safeguard electric motors against overcurrent and overheating conditions. Built to ensure maximum efficiency and long-term reliability, this relay is an essential component in motor starter circuits across a wide range of industrial and commercial settings.

Engineered to meet international standards, this product offers a precise tripping mechanism based on bimetallic thermal technology. It effectively monitors the motor’s current and trips the circuit when abnormal conditions like phase failure, overload, or prolonged startup currents are detected. This ensures reduced downtime, protection against motor burnout, and enhanced operational safety.

Key Features:

Current Range: The LR2 D13 is designed to handle a current range of 5.5 to 8A, making it suitable for small to medium-sized motors in various machinery.

Phase Failure Protection: Offers reliable phase-failure sensitivity, providing an extra layer of safety in three-phase motor systems.

Manual and Automatic Reset Options: This relay provides both manual and automatic reset modes, offering flexibility depending on your system’s requirements.

Compact Design: Its space-saving form factor makes it easy to integrate into motor control panels and switchgear assemblies.

Auxiliary Contact: Comes with integrated normally open and normally closed auxiliary contacts, allowing for status signaling and system interlocking.

Applications:

The LR2 D13 thermal overload relay is widely used in motor control systems, particularly in:

Industrial automation

HVAC systems

Pump and compressor units

Conveyor and machinery control panels

Its robust construction and precise tripping capabilities make it a preferred choice for industries looking for efficient and safe motor protection.

Installation and Compatibility:

This relay is typically used with LC1-D series contactors, offering seamless integration and easy mounting. Installation is straightforward, and its user-friendly design allows for quick adjustment of current settings and reset mode selection.

Conclusion:

Whether you’re upgrading an existing system or designing a new motor control center, the Thermal Overload Relay LR2 D13 offers dependable protection, long service life, and superior performance. Invest in this compact yet powerful relay to ensure your motors run safely and efficiently under all load conditions.