Square D™-brand I-Line™ circuit breaker power distribution panelboards are for use on AC or DC systems. The panels, labeled cULus (compliance to UL and CSA standards certified by UL) are also Underwriters Laboratories® (UL®) Listed under File E33139. The following are suitable for use as service entrance equipment such as all main circuit breaker panelboards. I-Line circuit breaker panelboards are available as 400–1200 A main lugs only and 100–1200 A main circuit breakers. I-Line circuit breaker panelboards are designed, manufactured, and tested to comply to UL, CSA, NFPA, NEMA & W-P standards. This I-Line, panelboard enclosure has a rated current of 600-800A. This enclosure has a NEMA 1 Degree of protection rating. Dimensions for this enclosure are 1854 mm, (H),813 mm (W),241 mm(D) and weighs 54.54 kg. This product complys to UL & CSA standards.