A 9-way distribution box (also known as a DB or panel board) is an essential electrical component that divides a single power feed into nine separate circuits. By. Made with chemicals safer for human health and the environment. Need help? Secure your DIN rail equipment in sturdy, weatherproof enclosures. Whether you're powering up a residential home, a commercial office, or an industrial plant. Your circuit count leads directly to the box size. Most homes need: Future-Proofing: Add 20% extra circuit spaces upfront. Future solar panels or EV chargers won't require expensive upgrades. Hensel, KV7109 Box, Circuit Breaker 9 Modules, Metric Knockouts IP65, KV Small-Type Distribution Boards, Circuit Breaker Boxes. Size: 1x9x18mm, Finish: Grey.