The Schneider LR3D07 is a high-quality motor protection relay designed to safeguard motors from thermal overload. This compact and efficient device is part of the TeSys product range and is engineered to provide class 10 protection. It is suitable for a current range of 1.6 to 2.5 A and features a non-differential thermal overload relay mechanism.
The LR3D07 is compatible with a variety of Schneider contactors, including the LC1D09 through to the LC1D38, making it a versatile choice for a wide range of industrial applications. It operates effectively within a network frequency of 0 to 400 Hz and can be mounted directly under a contactor, on a plate, or on a rail with specific accessories.
This relay is equipped with a manual reset and a red stop push-button, as well as a blue reset push-button for straightforward operation. It also includes a tripping threshold of 1.14 +/- 0.06 Ir in accordance with IEC 60947-4-1 standards, ensuring reliable performance.
The LR3D07 is designed with temperature compensation from -20 to 60 °C, allowing it to function optimally in various working environments. Connection terminals are screw clamp type, accommodating control circuits and power circuits with different cable sizes and types.
Constructed to meet international standards, including EN/IEC 60947-4-1 and EN/IEC 60947-5-1, the LR3D07 is a testament to Schneider Electric's commitment to quality and reliability in motor protection technology. Its robust design ensures it is a durable and dependable solution for protecting motors in industrial settings.