ABB S273K16 is a three‑pole miniature circuit breaker rated 16 A at 480 VAC, featuring K‑type (K‑Char.) trip characteristics. This UL 489‑listed device provides up to 10 kA breaking capacity for short‑circuit protection in three‑phase circuits. It belongs to ABB’s legacy S273 family and is designed to protect feeders and equipment in electrical distribution panels on 480 VAC three‑phase systems, delivering reliable overcurrent protection in industrial and commercial applications.
