✔ 20-Circuit Capacity - Organized power distribution for multiple units
✔ NEMA 1 Enclosure - Indoor-rated galvanized steel construction
✔ Integrated Neutral Bar - Simplified grounding system
✔ Main Lug Design - 225A bus rating (verify specific model)
✔ Breaker Compatibility - Accepts Siemens QP/QB breakers
✔ Pre-Punched Knockouts - Easy conduit entry points