Schneider Electric's Square D EDB34050SAU is a 3-pole E-frame molded‑case circuit breaker rated for 50 amps on 480Y/277 VAC three‑phase systems, designed for bolt‑on mounting in compatible E-frame panels. It includes a shunt‑trip coil for remote disconnection and carries a 25 kA interrupting capacity at the rated voltage, making it suitable for NF panelboards in commercial and industrial power distribution. This EDB series device protects feeders and branch circuits in 3‑phase installations and is intended to work with Square D/E-frame enclosures that accept EDB breakers.
