Schneider Electric Q1B350 U General Purpose Circuit Breaker

Schneider Electric’s Square D Q1B350 U is a 3-pole molded‑case circuit breaker rated for 50 A at 240 VAC, designed for general‑purpose overcurrent protection in 3‑phase electrical distributions. This Q1B350 U unit is part of Square D’s Q1B line and is a molded‑case breaker suitable for use in panelboards or industrial control gear where compact, dependable protection is required. It offers an interrupting capacity of 10 kA at 240 V, helping limit fault currents to safeguard conductors and equipment in 3‑phase installations. As a molded‑case breaker, it employs thermal‑magnetic trip technology to respond to overloads and short circuits, balancing robust construction with straightforward replacement in compatible Square D/Schneider Electric installations. The 3‑pole configuration supports 3‑phase, 4‑wire systems, enabling protection for loads such as motors, pumps, and other 240 V equipment in commercial or light industrial environments. This specific part, identified as Q1B350 U, is a 50‑amp, 240‑volt, 3‑pole device intended for users who require a compact, reliable MCCB solution within the Square D/Q1B family.