Schneider Thermal Overload Relay LRD21 12-18A

The LRD21 thermal overload relay provides dependable protection for three-phase motors against overload and phase failure. Featuring an adjustable current range of 12 to 18 A and a Class 10A tripping curve, it ensures fast and accurate response under standard motor starting conditions. The relay is designed for direct mounting with TeSys Deca contactors and is equipped with screw clamp terminals for secure wiring. LRD21 is widely applied in industrial motor control panels where safety, reliability, and long service life are critical.