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, blank plate comes in a set of 3. Dimensions for this blank plate are 1.5 in (H) x 6.35 in (W) and weighs 0.16 kg. This product complys to CSA & UL standards.