The Square D Nema 3R 100 Amp Main Breaker Single Phase 120/240 Volt 16 Circuit Panel is a reliable and durable electrical panel designed for interior and exterior use. With a maximum amperage of 100A, this panel features a vertical orientation, gray color, and is made of metal material. It is suitable for branch circuit and electrical wiring applications, making it an essential component for both indoor and outdoor electrical systems. The panel is designed by the trusted brand Square D and is manufactured in the USA, ensuring quality and reliability.