IEC Miniature Circuit Breaker Amps 20 A Number of Poles 3 Curve Type B AC Voltage Rating 480V AC DC Voltage Rating Not Rated Max AIR Rating 10kA at 480V AC Phase 3 Meets UL Type UL 489 Terminal Connection Lug Series NDB2T-63 B20/3 L Trip Type Thermal Magnetic Circuit Breaker Mounting Style DIN Rail Min Wire Size 50 AWG Max Wire Size 66 AWG Length 4.01 in Width 2.13 in Depth 3 in Frame Size 32A/NDB2T Circuit Breaker Actuator Toggle Standards UL Listed for US Canada CE