Metal Enclosed Low Voltage Power Circuit Breaker Switchgear, Model USG, followed by 25, 50 or 63, followed by N, followed by 65 or 85, followed by D, followed by 20, 25, 32, 40, 50 or 60, followed by 08,10, 12 or 16.

Susol & Metasol ACB_UL_#21