24 total circuit breaker positions, 9 blank positions, 15 -15 amp circuit breakers installed. All positive, negative and grounding buses installed, fully pre-wired. Includes set of 30 common DC labels. Detailed installation instructions and cutout template. Configure for 12 or 24V DC distribution with supplied labels. Amperage: panel main bus 100A. Size 15-3/4" W x 7-1/2" H