Schneider Electric Y1B130 Circuit Breaker 277V 1P 30A

Schneider Electric's Square D Y1B130 is a 30-amp, single-pole molded‑case circuit breaker designed for 277 VAC circuits. It is a Type Y1B unit (Y1B series), bolt‑on mounting, delivering thermal‑magnetic overcurrent protection. It provides a 10,000 A interrupting rating at 277 VAC, making it suitable for protecting feeders and branch circuits in commercial installations that use Square D Y1B devices. This 1P 277V breaker is intended for use in panels configured for bolt‑on Y1B breakers and supports protection of 277V lighting and other moderate‑voltage loads where precise overcurrent protection is required.