Series:	CB187F
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Thermal
Moisture Sensitivity Level (MSL):	--
Current Rating:	40A
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 electrical devices used to protect various circuits, machines, or pieces of equipment from overheating or short-circuiting caused by an overload of electrical current. The CB187F-40, in particular, is a high-performance circuit breaker designed for the efficient protection of power systems, especially those used in computing and communication applications.

CB187F-40 Application Field

The CB187F-40 is a robust, reliable switchgear used in power systems with medium voltage up to 40.5kV, 50/60Hz, and 4,000A in single-pole, two-pole, or three-pole configurations. It provides protection against short-circuits, overloads, or other faults that can occur in a power system. The CB187F-40 is suitable for use in all types of power systems, including motor, transformer, generator, and distribution networks, as well as a variety of communication systems, including those used in automotive and aerospace applications.

CB187F-40 Working Principle

The CB187F-40 is designed with a three-phase over-current protective device that uses an air gap between two insulated, moving contacts. In the event of an overload or short-circuit, the two contacts will separate and interrupt the circuit, thus preventing further damage to the system.The circuit breaker is equipped with a calibration feature that allows it to automatically adjust its settings according to the specific system voltage. This ensures that the proper amount of current is allowed to flow without overloading the system. The CB187F-40 also has a self-monitoring system that will detect any faulty connections or other potential issues within the system.The switchgear is also designed with an emergency off switch that will shut off the power to the system in the event of a fault or failure. It is also designed with an alarm feature that will sound when a problem is detected and alert personnel of the problem.

Conclusion

The CB187F-40 is a powerful, reliable circuit breaker designed to provide protection for power systems, motor, transformer, and generator networks, as well as a variety of communication systems. It is equipped with a calibration feature and self-monitoring system that ensures proper operation, and an emergency off switch in the event of an overload or short circuit. With its high-performance and robust design, the CB187F-40 is a safe, reliable choice for applications that demand power protection.

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Part Number	Manufacturer	Price	Quantity	Description