UPL11-8807-1 Circuit Protection

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Circuit breakers provide the primary means of limiting fault current levels and allowing fault current to be cleared from a system. A UPL11-8807-1 circuit breaker is a high-performance, single-pole, thermal-magnetic device designed to provide maximum protection from short-circuits and overloads. This device has been designed for use in low-amp applications, such as motors, transformers, and lighting systems.

The main components of a UPL11-8807-1 circuit breaker include a thermal element, magnetic element, bimetallic member, and an epoxy-filled case filled with thermosetting resin. The thermal element consists of a resistance wire, a thermal fuse, and insulation. The thermal element generates heat when there is a high current flowing through it, causing the non-conductive thermal fuse to open and break the electrical circuit. The magnetic element of the circuit breaker consists of an electromagnet, steel core, and contacts. When a high current seeks to flow through the circuit, the corresponding magnetic field actuates the bimetallic member which causes the contacts to open and breaks the circuit.

The working principle of a UPL11-8807-1 circuit breaker is as follows: when an abnormally high current enters the circuit breaker, the magnet in the circuit breaker is energized, producing a magnetic field. This field causes the bimetallic member to deform, which in turn causes the contacts to break and open the circuit. This breaks the electrical connection in the circuit, thus stopping the flow of a high current and protecting the devices and wiring connected to the circuit.

The UPL11-8807-1 circuit breaker has a number of features that make it a useful tool for protecting circuits from short-circuits and overloads. It is designed to be compact and highly efficient, with a field-replaceable, snap-action design. The bimetallic element is responsive and reliable, providing accurate over-current protection. The thermal element is designed to react quickly in the event of an overload. Additionally, this circuit breaker can be manually tested for operation, allowing the user to check that the breaker is working correctly.

The UPL11-8807-1 circuit breaker is ideally suited for applications such as motor and transformer control. This device can be used to protect circuits in motor systems, such as industrial pumps, compressors, and motors, and to protect transformers from overloads. It can also be used to provide protection for lighting systems, HVAC systems, and other low-amp applications.

The UPL11-8807-1 circuit breaker is a reliable and cost-effective circuit protection solution. It is designed to provide maximum protection from short-circuits and overloads, while also being compact and highly efficient. This circuit breaker can be used in a wide range of applications, making it a versatile and valuable tool for protecting electrical circuits.

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