The CARLING TECHNOLOGIES part CA3-B2-46-620-121-C is a high-quality circuit breaker with hydraulic magnetic technology. It features three poles and has a maximum current rating of 20A. This circuit breaker is designed to safely and efficiently protect electrical circuits from overload or short circuit conditions. It operates at voltage levels of 277VAC and 480VAC, making it suitable for various industrial and commercial applications. Trust CARLING TECHNOLOGIES to provide reliable and durable circuit protection solutions for your electrical systems.