The S201U-K6 is a single-pole miniature circuit breaker rated for 6 A at 240 VAC, designed for branch circuit protection in accordance with UL 489 and CSA 22.2 No. 5 standards. It features K-curve thermal-magnetic trip characteristics and provides UL current-limiting protection with a fast breaking time of 2.3–2.5 ms. The breaker has an interrupting rating of 10 kA per UL 489 and 10 kA per CSA 22.2 No. 5, and supports auxiliary contacts, bell alarm, shunt trip, and bus bar connection options. It is DIN rail mounted with finger-safe terminals and multi-function terminal design, making it suitable for reverse feed applications. This device is ideal for residential and light commercial electrical distribution systems requiring compact, reliable overcurrent protection.