Thermal Magnetic Motor Circuit Breaker

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Thermal magnetic motor circuit breaker.

The series c circuit breaker is ideal for panelboards switchboards motor control centers and busway applications. An mccb provides protection by combining a temperature sensitive device with a current sensitive electromagnetic device. These are circuit breakers which utilize two components to detect electrical faults. They install on a standard 35mm din rail and work with a variety of accessories to make wiring as easy as possible.

There are two commonly used methods of motor control system used in the industry. The motor protection circuit breaker can be considered a subtype of a thermal magnetic circuit breaker but with additional functions that are specially designed to protect electric motors. Choose from a premier selection of trip units including thermal magnetic electronic and magnetic only switches. The basic working principle is similar to all other circuit breakers.

The first component is an electromagnet that is sensitive to large surges in electrical currents. However engineers and technicians found some problems coming out with this method. Available for systems up to 600 vac or 250 vdc with current ratings up to 800a. Thermal magnetic circuit breakers contain two different switching mechanisms a bimetal switch and an electromagnet.

In case of overload or short circuit the breaker trips opening the circuit and protecting the conductors. Minimum downtime downtime is reduced and fuse replacement is eliminated with circuit breakers. Thermal protection is used to guard the electric motor against overload. The traditional molded case circuit breaker uses electromechanical thermal magnetic trip units that may be fixed or interchangeable.

In american homes today thermal magnetic circuit breakers are the most common type. Both these devices act mechanically on the trip mechanism. C3controls series 330 motor protection circuit breakers provide reliable overload and short circuit protection for all your motor control applications and are ideal for use in multi motor applications. The bimetal serves as a means of handling overcurrents.

The majority of circuit breakers are thermal magnetic which means they accomplish electrical protection by combining two mechanisms that respond to heat and magnetic fields respectively.