Series C complete molded case circuit breaker, G-frame, GHB, Complete breaker, Fixed thermal, Fixed magnetic trip type, Two-pole, 20 A, 480Y/277 Vac, 125/250 Vdc, 50/60 Hz General specifications Catalog Number GHB2020 UPC 786679911204 Product Length/Depth 2.63 in Product Height 4 in Product Width 2 in Product Weight 0.95 lb Compliances Federal Specifications Classification W-C375B Certifications UL Listed Product specifications Type Molded case circuit breaker Amperage Rating 20 A Voltage rating 480Y/277 Vac, 125/250 Vdc Trip Type Fixed thermal, fixed magnetic Circuit breaker type GHB Circuit breaker frame type Complete breaker Series Series C Frame G Frequency rating 50/60 Hz Interrupt rating 65 kAIC at 240 Vac 14 kAIC at 480Y/277 Vac Number of poles Two-pole