1. This series distribution box(metal box, enclosure) total volume is below 100 AMPS. 2. The distribution board is applied to the terminal protection distribution board. 3. The main switch is 100A-2P. 100A-3P disconnector switch. The branch switch is miniature circuit breaker. 4. This distribution board has the function of delay and instantaneous overload protection. 5. Material: Electrolytic cold-rolled steel sheet.