... withstand voltage Uimp4KVoperation frequency≤12 times/hourprotection levelCDRA011T4-CDRA055T4:IP20CDRA075T4-CDRA600T4:IP00Rated limited short-circuit currentCDRA055T4:6KA CDRA160T4:12KACDRA320T4:20KA ... CDRA600T4:48KAEnvironmentenvironment temperature-0°C to 40°Cstore environment-20°C ...