Each frame size offers a range of interrupting voltage ratings from 240-690 Vac and 250-600 Vdc and are compliant with global standards that include UL 489, CSA C22.2 No 5.1, IEC 60947- 2.
Source URL: NOARK Electric announces M5 and M6 frames for Ex9M series Molded Case Circuit Breaker
Source Website: Factory Automation – Automation.com