Square D™ I-Line Power Distribution Panelboards is ideal for service entrance equipment or downstream distribution panels in the electrical system and is used to feed NQ and NF lighting and appliance panelboards. The I-Line power distribution panelboard is the most versatile on the market and feature Schneider Electric's unique breaker engagement system which allows 15 A branch circuit breaker next to or across from a 1200 A circuit breaker. I-Line panelboards are capable of feeding large motor loads and are UL Listed for use on systems with up to 200K max. I-Line circuit breaker panelboards are available as 400–1200A main lugs only and 100–1200A main circuit breakers. This is the interior for the HCP I-line main lugs panelboard that is rated for 800A and has 27 inches in circuit breaker space. This interior has a height of 30 in, width of 34.38 in and depth of 8.7 in. This product is certified to cULus & CE standards.