BR2D40UC

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Circuit breakers are typically used to protect electrical circuits, usually in both mains and commercial applications. In an electrical circuit, circuit breakers are used to provide obstacle to overvoltage and short circuit currents that can cause damage to the circuit and elements connected to it. BR2D40UC is a circuit breaker developed by the Italian company Biasi.

The BR2D40UC is a two-pole miniature circuit breaker with a rated current of 40A and a breaking capacity of 6000A @220V. It is particularly suitable for the protection of cables and machine tools.

The BR2D40UC has a unique unique construction, with a frame that is fixed to the panel or wall by means of screws. The frame has two contact blocks, each containing two silver contacts and two beryllium copper contacts. A contact block is provided for each pole, and the contacts are arranged in such a way that when the breaker is in the OFF position, the contacts of each pole are open. The contact blocks are held in place by a central stud, which is secured by a hexagon locking nut.

The BR2D40UC is designed with a three-stage mechanism that ensures it responds accurately to different environmental conditions and operational requirements. This ensures the circuit breaker can cope with the wide range of current and voltage fluctuations which are likely to occur in industrial, commercial and residential applications.

The three-stage mechanism in the BR2D40UC is made up of an actuator, a snap-in switch and a contact mechanism. When the actuator is engaged, it triggers the snap-in switch, which then pushes the contacts of the circuit breaker open, interrupting the circuit. Once the actuator is released, it is then reset and the contacts of the circuit breaker are closed again.

The BR2D40UC also has a thermal overload protection feature, which is activated when the temperature of the contacts rises above a certain level. This prevents the contacts from becoming hot, and potentially melting or catching fire. The thermal overload protection feature is adjustable, to suit the specific requirements of the application.

The BR2D40UC is particularly suitable for the protection of medium and large industrial applications where a high degree of accuracy and reliability is required. It is also suitable for commercial and residential applications, where voltage fluctuations are likely to occur.

In summary, the BR2D40UC is a reliable and accurate two-pole circuit breaker, designed to protect electrical circuits in a wide range of applications. It is particularly suitable for protecting medium to large industrial applications, as well as commercial and residential applications. The three-stage mechanism in the BR2D40UC ensures it is able to cope with wide ranges of current and voltage fluctuations, while the thermal overload protection feature ensures the contacts remain safe from overheating and potential fire hazards.

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