Another of the most important products of Marine Land Dubai and Sharjah is the power switch, which is one of the main parts of any environment. With a short circuit in the form of an overload, it can automatically cut off the circuit and disrupt the current. This can prevent damage to the electrical circuitry and possibly your home, electronics and home appliances. There are three main types of circuit breakers: standard circuit breakers (which include unipolar and bipolar circuit breakers), ground fault circuit breakers (GFCIs), and arc ground fault circuit breakers. Electric. (AFCIs).