Schneider LRD08 TeSys Deca Thermal Overload Relay - 2.5-4 ATeSys LRD thermal overload relay, 4A 690V, thermal setting range 2. 5 4A, tripping class 10A, for protection of 3 phase motors 1. 1 1. 5kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustment dial, a manual automatic reset selector, a test selector for simulation of a tripping, reset and stop buttons, a flag indicator and 2 auxiliary contacts 1NO+1NC for fault signaling. Settings are protected by