
52 A221 S24
Thermal protection against overheating of motors, semi-hermetic refrigeration compressors and motors with high shortcircuit current densities.
Locked-out switch-off in the case of a variable shut down value: The device switches off the drive/motor with three KRIWAN-Pt100 sensors when a variably adjustable shut-off temperature is reached and switches on only after the temperature drops and the network is reset.