Specifications include, but are not limited to: 3 EACH NAICS: 423610 Circuit breaker, 550-kV maximum, 3-phase, 4,000- ampere continuous current, 63-kA interrupting capability, 250-volt DC control voltage and 480-volt 3- phase auxiliary AC power, furnished with positive pressure of dry air for shipment, dead-tank with bushing-mounted current transformers, for a price per each of: 2 3 EACH NAICS: 423610 Circuit breaker, 550-kV maximum, 3-phase, 5,000- ampere continuous current, 63-kA interrupting capability, 250-volt DC control voltage and 480-volt 3- phase auxiliary AC power, furnished with positive pressure of dry air for shipment, dead-tank with bushing-mounted current transformers, for a price per each of: 3 1 EACH NAICS: 423610 Circuit breaker, 550-kV maximum, 3-phase, 4,000- ampere continuous current, 63-kA interrupting capability, 250-volt DC control voltage and 480-volt 3- phase auxiliary AC power, furnished with positive pressure of dry air for shipment, dead-tank with bushing-mounted current transformers, for a price per each of: