Siemens Thermistor Motor Protection Relay

Monitoring of coil temperature of motors or transformers with PTC sensors (cold line) in the coil. Display of wire break and short-circuit in sensor circuit (resting current principle). Automatic-RESET. 2 LEDs for ''ready'' and ''tripped''. 2 potential-free signal contacts: 1 normally open and 1 normally closed contact. Removable screw connection terminals. DIN rail mounting. EMC according to EN 61000-6-2, EN 61000-6-4.