CB187P-120 Circuit Protection

Series:	CB187P
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Thermal
Moisture Sensitivity Level (MSL):	--
Current Rating:	120A
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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CB187P-120 Circuit Breaker: Application Field and Working Principle

Circuit breakers are widely used in electrical systems in both residential and commercial settings. With advances in technology, circuit breakers have become even more reliable and efficient. One such example is the CB187P-120 circuit breaker (CB). This article explores the application field and working principle of the CB187P-120 circuit breaker.

Applications

CB187P-120 circuit breakers are typically used for electrical devices up to 120 Amps such as air conditioning, large motors, or even smaller hot tubs. The CB187P-120 circuit breaker is designed to cut off power when current overloads occur, helping to prevent electrical damage. This type of circuit breaker is also suitable for residential use, as well as commercial, industrial, and marine facilities.

Operating Principle

The CB187P-120 circuit breaker is an AC "quad" breaker, which means it has four separate poles or connections. This allows the breaker to trip individually or in groups, depending on the overload conditions. The CB187P-120 circuit breaker has a built-in thermal-magnetic trip unit that senses both temperature and current overloads. It is designed to protect against both short circuits (a fault where current flows between two points at a higher than normal level) and overloads (when the flow of current is higher than the rated load).When an overload or short circuit current is detected, the CB187P-120 circuit breaker opens both the line and load contacts, thus interrupting the circuit. The breaker will reset automatically upon cooling down and the restoring of normal conditions. It also features a manual reset button as a safety feature in case of a power outage.

Advantages

The CB187P-120 circuit breaker provides excellent protection from both short circuits and overloads. As a thermal-magnetic trip unit, it can detect temperature changes and reduce the chances of a fire. It is also designed for long-term, reliable performance and is compatible with a variety of electrical applications. The CB187P-120 circuit breaker has a current rating of up to 120 A, offering high current protection without sacrificing reliability.

Conclusion

The CB187P-120 circuit breaker is a reliable and efficient breaker suitable for a variety of electrical applications. It offers excellent protection from both overloads and short circuits. Its thermal-magnetic trip unit is designed to reduce the risk of fire in the event of an overload. As a long-term, reliable product with a current rating up to 120 Amps, the CB187P-120 circuit breaker is a great choice for residential, commercial, industrial, and marine applications.

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