8345-SR0007-20A Circuit Protection

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The 8345-SR0007-20A is a high-performance general-purpose circuit breaker developed by Siemens AG. It is designed primarily for use in industrial and commercial applications. The device provides overcurrent, overload, and short-circuit protection, as well as ground fault protection.

The 8345-SR0007-20A is designed for a wide range of current ratings, ranging from 1 to 3,000 amps. It offers both single- and three-phase operation, as well as 120- and 277-volt applications. The device provides maximum versatility, as it can be installed in a variety of locations, including enclosed panelboards, switchboards, motor control centers, and in most other general-purpose applications.

The 8345-SR0007-20A works on the principle of thermal-magnetic operation. Its internal thermal-magnetic tripping mechanism provides over current protection by monitoring current flow through its contacts. The tripping mechanism will activate should a current above the breaker\'s rated limit be detected. This will open the circuit and prevent further current flow.

In addition, the breaker is also designed with a magnetic field sensing element, which monitors the strength of the magnetic field created by the current flow. If the field\'s strength exceeds a certain pre-set level, the breaker will trip.

The 8345-SR0007-20A also features a ground fault protection system. This system is designed to detect and trip the breaker should it detect a ground fault current present along the conductor. This will effectively shut off the power supply, thus preventing any further harm to personnel and equipment.

The 8345-SR0007-20A circuit breaker is ideal for a variety of applications, including industrial power systems, building safety and security applications, datacom systems, security and fire systems, building automation systems, and motor control systems. Its combination of thermal-magnetic operation, ground fault protection, and versatility make it an excellent choice for many industrial and commercial applications.

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