The definition of moulded case circuit breaker is the one contained in an insulating box (hence the name), range from 100 up to 1600 amps, although there are still sizes 2000/2500 ampere, supplied by some suppliers. Moulded case circuit breakers can be fixed or removable removable (the removable ones are the size to 400 amps, 630 amps, up to the extraction you need in a shopping cart and are said to be removable). In case the manoeuvre of opening and closing is done directly on a lever, as much as you need the remote control mounts to an accessory mounted on the lever that operates by opening or closing via the control solenoid. The lever of the ladder, intervenes when the protection is associated with, it should be in a position between open and closed is called snapped.to reset the switch, it must be returned to zero position, and then close it. On our website you will find a wide choice of moulded case circuit breakers all the best brands (Bticino series Megatiker);(Siemens series Sentron);(ABB series: Sace).