3 Phase 4 Wire Panelboard Diagram

400 amp standard mechanical lug assembly.

3 phase 4 wire panelboard diagram. Many small machine or woodworking shops have about 3kw in lighting c o. The 4 wire in 208v 3 phase 4 wire refers to the neutral as 4th wire. 208v 3 phase power also goes by the names 208v 3 phase 4 wire and 208y 120v. However the panel can be figured with less circuits.

Breaker ratings from 20 a to 600 a use unique. 4 general specifications table g2 panelboard ratings 1 functional pricing is based on circuits shown. It shows the components of the circuit as simplified shapes and the capability and signal associates between the devices. Find more details circuit schematics and the source code here.

2 lug assembly for a c pha. 3 phase panel board wiring diagram in below three phase distribution board wiring diagram shown. The 3 phase line 1 line 2 and line 3 red yellow blue are connecting to the line points of mccb circuit breaker. The neutral wire serves as common return to all the three phases acting outward from n 1.

These are technically more accurate because they refer to the neutral. This is the first design to offer two and three pole mccbs in a mechanical drawout design. P2 and p3 can have up to 2 fd subfeed breakers. The neutral points in both alternator and the load are joined together.

Eaton s drawout mccb pow r line 4d prl4d panelboard provides this solution. This is a very common service in industrial parks in the la area. 3 phase 4 wire diagram wiring diagram is a simplified welcome pictorial representation of an electrical circuit. It is considered a bolt on breaker style with a main circuit breaker.

The wiring connection is start from the main 600 a mccb circuit breaker. The neutral wire black wire was connected to the bus bar. Old 240v 3 phase 3 wire services and some 480v 3 phase 3 wire are still around fed off of poles or from street vaults. Panelboard solution with front accessibility and front connected equipment to meet space require ments and application needs.

Therefore the total neutral current is the vector sum of the three line currents. The y in 208y 120v refers to the neutral as the center of the y shaped power source. In the above diagram the alternator is connected to the load by three phase four wire system. A distribution board also known as panelboard breaker panel or electric panel is a component of an electricity supply system.

For use with 3 phase prl1a and prl2a panelboards. Loads and 50 60hp in machine 3 phase loads. 2 p1 can have 1 subfeed breaker.