If a fixed circuit breaker is used, an isolating switch should be configured on the incoming line side of the circuit breaker. The selection is based on the functional requirements of the electrical system.
Electrical Distribution System refers to the section of the power system from the step-down distribution substation (high-voltage distribution substation) to the user end.
The main uses of junction boxes include protecting wires, connecting wires, and facilitating maintenance.
The main functions of circuit breakers include protecting electrical equipment, ensuring the safety of electricity use, distributing electric energy, and controlling circuits.
Plastic electrical junction boxes are essential components in electrical systems, serving as secure enclosures for electrical connections and wiring.
A breaker and an isolation switch serve different purposes in electrical systems, and they differ in their functions and applications: