Schneider Electric's Square D EHB34015AS U is a 3-pole molded-case circuit breaker (MCCB) rated for 15 A in a 480Y/277 VAC three-phase service, marketed as a remote-control variant for industrial panels. This bolt-on, thermal-magnetic device provides protection for three-phase circuits in commercial and industrial electrical distributions, with an interrupting capacity of 14 kA at 480Y/277 VAC per available specifications. The unit is associated with NEHB panelboard installations and reflects Square D / Schneider Electric's long-running MCCB line used for motor and distribution protection in demanding environments.
