Copper row, also known as copper busbar or copper busbar, is made of copper, rectangular or chamfered (rounded) rectangular cross-section of the long conductor (now generally used rounded copper row, so as not to produce tip discharge), is a high-current conductive products, in the circuit play a role in conveying the current and connecting electrical equipment. Copper row in electrical equipment, especially complete sets of power distribution equipment has been widely used; generally in the distribution cabinet in the U, V, W-phase busbar and PE busbar are used copper row; copper row in the use of general marked with the phase color letter mark or painted with phase color paint, U-phase copper row coated with "yellow" color, V-phase copper row coated with U-phase copper row is coated with "yellow" color, V-phase copper row is coated with "green" color, W-phase copper row is coated with "red" color, and PE busbar copper row is coated with "yellow and green" double color.
Copper row is mainly used in the primary line (high-current phase line, zero line, ground line will use the copper row), in the cabinet of the larger current primary components are connected with copper row, such as a row of cabinets in the cabinet to cabinet connection is the main busbar, the main busbar to each side of the cabinet switching electrical (disconnect switches, circuit breakers, etc.) on the branch busbar. Copper rows have tinned and bare copper rows, copper rows in the cabinet connections are generally to do tinned and embossed treatment or add conductive paste. Vacant space on the heat shrinkage tube protection, but also some of the insulating paint. The main consideration with the copper row is the current-carrying capacity, according to the size of the current selection of the appropriate copper row, the connection screws must be tightened, otherwise the current will appear when the possibility of melting the copper row.
