Distribution Board - DB (Distribution Board) is a distribution cabinet used in low voltage networks. The location of the DB cabinet is usually behind the main distribution cabinets (MSB) at the nodes. Rated current can be up to 1000A, providing power for 1 group of equipment or terminals (pumps, motors, machines ...).

It is the smallest type of electrical cabinet, it is located near the loads, inside the cabinet only includes MCB / RCCB, headlights, fuses. Some special cabinets have a kWh meter, an ammeter, a voltmeter, phase loss protection, capacitor ...