Thermal over-load relay

Thermal over-load relayis used in AC 50Hz (or 60Hz), rated work voltage is up to 660V, for protecting AC motor against overload or phase-breaking. type/parameters JRS4-09d25dJRS4-32dJRS4-40d80dJRS4-140drated insulation voltageUi (V)690ambient humid ()-5 40elevation (m)≤2000environmentrelative humidity not exceeding 50% at the maximum ambient temperature +40, humidity up to 90% at the ambient temperature 20ostandardIEC60947-4 GB14048 EN60947-4 UL508storage environmenttemperature -25+55,relative humid ( at 25) is 95%pollution gradeclass 3frame protection gradeIP10connectable min load ofauxiliary circle24V 10mA