Schneider Electric A1B130U Circuit Breaker

Schneider Electric’s Square D A1B130U is a 1‑pole molded‑case circuit breaker rated for 30 A at 120 V AC. This Type A1B unit uses a thermal‑magnetic trip to provide short‑circuit protection with an interrupting capacity of 10 kA at 120 VAC and features bolt‑on mounting for compatible panels and enclosures. As a Square D device, it belongs to Schneider Electric’s protection line designed for branch‑circuit protection in light residential and commercial electrical systems. The A1B130U is rated for 120 V circuits up to 30 A, delivering reliable protection against overloads and short circuits. When replacing or matching an existing installation, verify the mounting style (bolt‑on) and the current rating to ensure proper fit and protection in the specific panel or enclosure.