- The TeSys LRD thermal overload relay is designed specifically for protecting 3-phase motors up to 4kW at 400V, making it an essential component for motor safety and reliability. - Rated for 10A at 690V, with a thermal setting range of 7-10A and tripping class 10A, this relay effectively prevents motor damage due to overloads, ensuring operational efficiency and longevity. - Features include: - A thermal adjustment dial for precise setting according to motor specifications. - A manual-automatic reset selector for convenient operation. - A test selector to simulate tripping for maintenance checks. - Reset and stop buttons for easy control. - A flag indicator to provide clear visual feedback on operational status. - Two auxiliary contacts (1NO+1NC) for effective fault signaling. - The settings are safeguarded by a transparent, lockable cover, ensuring that adjustments remain intact and tamper-proof. - Connection is straightforward with screw clamp terminals, allowing direct integration with 3-pole contactors LC1D09-D38 for seamless installation. - Ideal use scenarios include: - Industrial applications where 3-phase motors are critical for production machinery. - HVAC systems that rely on motors for fans or compressors, ensuring protection against overloads. - Water treatment facilities where motor reliability is crucial for pumps and other equipment. - With its robust design and essential features, the TeSys LRD thermal overload relay provides peace of mind and reliable performance for various motor applications.