Schneider, Thermal Overload relay 12-18 amp

LRD21

TeSys LRD thermal overload relay, 18A/690V, thermal setting range 12-18A, tripping class 10A, for protection of 3-phase motors 7.5kW@400V.

Differential device with phase failure and load unbalance detection.

It provides:

Thermal adjustment dial

Manual-automatic reset selector

Test selector for simulation of a tripping

Reset and stop buttons

Flag indicator

2 auxiliary contacts 1NO+1NC for fault signaling.

It connects directly to the bottom terminals of 3-pole contactors LC1D18-D38.