This Square D FAL34020 circuit breaker is a reliable and high-performing product that ensures the safety of your electrical equipment and supplies. The plug type is I, and it is made of ABS/plastic material. This model is a 3-pole feed-thru FAL circuit breaker that is suitable for a variety of applications. It is perfect for use in business and industrial settings and is an ideal choice for those looking for a circuit breaker that does not compromise on quality and performance.