1933010-5

1933010-5 Application Field and Working Principle

The 1933010-5 medium-voltage molded case circuit breaker (MCCB) is a key component of an electrical switching system. It is designed with a rated current of 125A and a rated voltage of 500V. It operates in conjunction with other components, such as an earthing switch, power switch, contactor, and charge breaker. The 1933010-5 MCCB provides both protection and performance for medium-voltage applications. Its application range includes residences, factories, commercial centers, and other industrial fields.

The working principle of 1933010-5 MCCB is to interrupt current flow, reduce short-circuit damage, and provide an appropriate and simple Arc Protection Method. The main components of the 1933010-5 MCCB include arrester connective fuses, contact terminals, arcing contacts, and a mechanical trip unit. The mechanical trip unit is composed of a molded case, auxiliary switches, a trip bar, and a fuse link. The technical parameters of the 1933010-5 MCCB include a rated current of 125A, a rated voltage of 500V, an operating temperature of -40°C to +60°C, and a maximum opening distance of 4mm.

The 1933010-5 MCCB is designed with a unique Arc Protection Method, which guides the arcing current path from the main contacts to the trip bar and then into the fuse link. This design helps to ensure that the arcing current is dissipated safely without causing any harm or damage. The 1933010-5 MCCB also has a rated short-circuit current of 500A, which helps to reduce the risk of a short-circuit event. The rated short-circuit current also allows the breaker to safely trip before any irreversible damage is caused.

The 1933010-5 MCCB is designed with a serrated contact system, which increases contact area and provides better protection against short circuits. The serrated contact system maintains an electrical connection between the contacts, even when subjected to high current levels. The 1933010-5 MCCB also has a unique lockable mechanism, which prevents the trip bar from being reverse-traveled and offers an additional level of safety.

In summary, the 1933010-5 MCCB is an efficient and reliable medium-voltage circuit breaker, which helps to protect homes, factories, commercial centers, and other industrial facilities from potential electrical hazards. Its usage range includes power distribution, motor control, and other industrial applications. The 1933010-5 MCCB also offers superior arc protection, serrated contacts, and a lockable trip bar mechanism, all of which help to enhance safety and reliability.