FEDERAL PACIFIC ELECTRIC COMPATIBLE: This current limiting device is Stab-Lok Federal Pacific compatible and is manufactured new, not refurbished, by Connecticut Electric. The UBIF2100N is compatible with Stab-Lok panels and is designed to feed or supply sub panels, and has a 10000 AIC rating UP TO CODE: We design all of our products to ensure they are all up to code. This UBI breaker switch is Intertek ETL listed, ensuring its compliance to UL Standard 489 for US- and Canada-molded case circuit breakers 100 AMP BREAKER: This AC breaker switch is compatible with 100 amp boards. Add this breaker to your circuitry kit, or purchase multiple to have one on hand in case one fails. Add this double pole breaker to your home improvement and electrical wiring tools today ELECTRICIAN SUPPLIES: This 120/240 VAC 2 pole breaker has a 2” body (which is a standard size) and is an NA-style component, making it easy to install for any electrician or for men and women who enjoy DIY remodeling. Circuit breakers should only be replaced with new tested and Safety Agency Listed circuit breakers, never used or refurbished ones CONNECTICUT ELECTRIC: Connecticut Electric manufactures new high-quality replacement circuit breakers for various brands of load centers. Get the power up and running in your home fast with Connecticut Electric products