Consumer units (Fuse boxes) comes in various Brands and sizes, due to current regulations all will be made of a non combustible material (metal).
These normally come with a set amount of MCB's (miniature circuit breakers) but can be tailored to suit your property these are to protect the wiring of the circuit. All will have RCD (residual current device) protection, these are their to protect you the end user from potential electric shock situations but cutting the power if a fault is detected.
