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The Carlo Gavazzi GMB63H3PC8 is a UL 489 listed miniature circuit breaker designed for branch circuit protection against short circuit and overload conditions. This 3-pole device offers thermal-magnetic protection with an 8A current rating and a voltage rating of 480V AC / 277V AC.
It is suitable for applications requiring supplementary or branch circuit protection. The breaker mounts on a DIN rail and features a lever actuator. The GMB63 series provides protection for circuits with a short circuit current rating (Icn) of 10kA.
This circuit breaker is built with a bimetallic element for overload protection and a magnetic element for short circuit protection. It is compliant with CSA C22.2 No 5, IEC 60947-2, and UL489 standards.
The breaker is rated for 480V line-to-line and 277V line-to-neutral in a 480Y/277VAC wye configuration.
It is a 3-pole circuit breaker.
The continuous current rating is 8A.
It is a thermal magnetic circuit breaker.
The short circuit current rating (Icn) is 10kA.
It is designed for DIN rail mounting.
It is approved under CSA C22.2 No 5, IEC 60947-2, and UL489.