CB185P-35 Circuit Protection

Series:	CB185P
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Thermal
Moisture Sensitivity Level (MSL):	--
Current Rating:	35A
Voltage Rating - DC:	48V
Number of Poles:	1
Actuator Type:	Push to Reset
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Circuit Breakers

Circuit breakers are a critical component in electrical safety protocols that are utilized in all kinds of electrical circuits. A circuit breaker works by varying the rate at which a current is allowed to flow through a circuit, protecting individuals and property from electric shock and preventing fire or other damage. This article will address the application field and working principle of the CB185P-35 circuit breaker.

Application Field

The CB185P-35 circuit breaker is typically used in residential or commercial applications such as lighting, heating, and air conditioning systems, as well as in industrial electrical systems. It is also commonly found in automotive, marine, and other specialized applications. Additionally, the circuit breaker can be used in outdoor or underground systems, owing to its relatively low operating temperatures.

Working Principle

The CB185P-35 circuit breaker is a non-thermal, solid-state device, meaning that it is not heated by the current that flows through it. Instead, it uses a sensing module to detect when the current flow exceeds the programmed characteristics of the breaker, and then the breaker trips to shut off the current flow.The sensing module of the CB185P-35 consists of a trip-energy current coil and an actuation coil. The actuation coil functions as an electromagnet by creating a magnetic field when the trip-energy current coil senses a fault. This helps to spark a trip mechanism, which then causes the breaker to trip.The trip mechanism itself consists of an energy storage device, such as a capacitor, and a power switch, such as a transistor. When a fault is detected by the trip-energy current coil, the actuation coil creates a magnetic field that causes the capacitor to store an electrical charge. This charge is then discharged into the power switch, which causes the CB185P-35 to trip, thereby cutting off the current flow.

Trip Curve

To further understand the operation of the CB185P-35 circuit breaker, it is helpful to view the trip curve of the breaker. This represents the relationship between the current and voltage that the circuit breaker can handle, and helps to determine the operation of the device. The trip curve of the CB185P-35 circuit breaker shows that the device is insulated from electric shock and other potential faults. In addition, the trip curve depicts how the breaker behaves when a fault is detected, providing information on the typical response time of the device.

Conclusion

The CB185P-35 circuit breaker is a robust and versatile device that is used in a variety of electrical applications. Its working principle lets it detect a fault and shut off the current flow to help prevent electric shock and other hazards. Additionally, the trip curve of the circuit breaker provides further information on its operation and response time.

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