The top distribution box manufacturers in 2025 are SENTOP, Schneider Electric, Rockwell Automation, Hammond Manufacturing, Laiwo Electrical, J&HW Group, Siemens, ABB, Eaton, Legrand, and General Electric. These companies make rules for safety and performance. Our flexible distribution boxes enable reliable, decentralized signal transmission and power transmission up to protection class IP67 – wherever passive distribution boxes are required. SMART DISTRIBUTION BOXES FOR FLEXIBLE BUILDINGS. Circuit Breakers: They protect individual circuits by disconnecting when overloads occur.