Square D I-LinePower 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-Linepanelboards 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 4001200A main lugs only and 1001200A main circuit breakers. This trim front kit is used with HCR-U I-line distrubution panelboard and is surface mounted. This trim front kit has a height of 86 in and width of 44.25 in. This product is certified to cULus & CE standards.