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Schneider Electronic thermal overload relay TeSys LRF LR9F5557

Short Description:

TeSys LR9F electronic overload relay, thermal setting range 30-50A, class 20, for protection of motors 18.5-22kW@400V.to be mounted directly below a TeSys F 3-pole contactor LC1 F115, F150, F185, use of a support mounting plate LA7F901 is recommended (to be ordered separately).Motor protection includes thermal overload of 1-phase and 3-phase motors, phase failure, phase unbalance, prolonged starting times, stalled rotor conditions.On the front of the relay, it provides a thermal adjustement dial, buttons for test, stop


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