
20 A501
Thermal protection against overheating of motors, pumps, transformers, gears, bearings.
Switch-off with a variable reset value (temperature) and a preliminary warning: When a warning temperature value is reached, the device triggers a warning using a digital display and a relay output. The device switches off the drive/motor with three KRIWAN-Pt100 sensors when the shut-off temperature is reached. In the case of a variable temperature value, the device switches on again after the temperature drops.