1.parameters
JRS4-d range thermal overload relay is used in AC 50Hz (or 60Hz); rated voltage is up to 660V, for protecting AC motor against overload or phase-breaking.
type/ parameters | JRS4-09d25d | JRS4-32d | JRS4-40d80d | JRS4-140d |
rated insulation voltageUi (V) | 690 | |||
ambient humid () | -5~40 | |||
elevation (m) | ≤2000 | |||
environment | relative humidity not exceeding 50% at the maximum ambient temperature +40, humidity up to 90% at the ambient temperature 20o | |||
standard | IEC60947-4 GB14048 EN60947-4 UL508 | |||
storage environment | temperature -25+55,relative humid ( at 25) is 95% | |||
pollution grade | class 3 | |||
frame protection grade | IP10 | |||
connectable min load of auxiliary circle | 24V 10mA |
2. Production line
Raw materials testingPlastic shell processing
Coil winding processing
Magnet processing
Spring winding
Metal parts processing
Product assembly
Product testing