CB187F-35 Circuit Protection

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Circuit breakers are essential components in electrical power systems. As the name implies, they are designed to interrupt current flow in the event of an overload or short circuit. In an electrical system, circuit breakers are the last line of defense between the operator and a catastrophic event. Therefore, it is important to select the appropriate circuit breaker for the application and understand the components, working principles and features that affect its performance.

The CB187F-35 circuit breaker is a thermal-magnetic type with an interrupting rating of 35 kA, designed for high-level industrial and commercial applications. This circuit breaker is ideal for applications where the circuit needs to be monitored and broken if an overload or short circuit is detected. It can be used in distribution systems, motor control centers and control systems. In all applications, the CB187F-35 should be installed and wired according to the instructions provided in the manual.

This circuit breaker operates on the thermal-magnetic principle, which combines two different methods of protection: thermal tripping and magnetic tripping. When the current drawn exceeds a certain level, the thermal tripping mechanism is triggered. This mechanism uses a bi-metal strip, which has one end connected to an electrical contact, and the other end connected to an external contacts. There is a bimetallic strip inside the thermostat, and when the temperature at the external contact increases, it bends. This causes the electrical contact to open, thereby breaking the circuit.

The magnetic tripping mechanism is triggered when the current drawn exceeds a certain level within a short period of time. This triggers a solenoid within the breaker, resulting in a release of a latch that sends the breaker mechanism into an open position. This interrupts the flow of current. Both of these mechanisms interact seamlessly, resulting in a fast and efficient protection method.

The CB187F-35 circuit breaker is also equipped with a number of safety features, including a built-in leakage protection device, over-voltage protection, surge protection and a fan monitor. These features help to reduce the risk of property damage and injury due to electrical malfunctions. Additionally, the breaker features a visible trip indicator, audio alarms and a visible warning light that indicates when the breaker has tripped.

In summary, the CB187F-35 circuit breaker is an ideal choice for a wide range of applications, offering reliable and efficient protection from overload and short circuit faults. This breaker features both thermal and magnetic tripping mechanisms, as well as a range of additional safety features. Whether it is used in an industrial setting, a commercial building or in a control system, the CB187F-35 circuit breaker is a dependable and cost-effective solution.

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