PR21-61-1.00A-38549-1-V

Series:	SNAPAK®
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	--
Number of Poles:	2
Actuator Type:	Push to Reset
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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.IntroductionCircuit breakers are an essential part of any electrical system. The PR21-61-1.00A-38549-1-V circuit breaker is a 3-pole, thermally operated, drawout breaker that is used in various industrial and commercial applications. Its maximum system voltage is 600V and it is rated for a maximum of 2,000A. The PR21-61-1.00A-38549-1-V circuit breaker has a wide range of applications and its working principle is based on the thermal-magnetic trip curve.ApplicationsThe PR21-61-1.00A-38549-1-V circuit breaker is suitable for the protection of motors, transformers, lighting systems, and other electrical equipment. It is also suitable for use in applications where it is necessary to provide reliable overload and short circuit protection.The PR21-61-1.00A-38549-1-V circuit breaker can be used in power distribution panels, switchboards, and service entrance locations. It is also commonly used in industrial and commercial construction projects. Its wide voltage range, together with its ability to quickly switch off electrical current, makes it the perfect choice for applications where reliable protection of electrical systems is required.Working PrincipleThe PR21-61-1.00A-38549-1-V circuit breaker works on the principle of thermal-magnetic trip curves. This type of circuit breaker is designed with two independent components: a thermal element, which is designed to protect the system from damage due to overload, and a magnetic element, which is designed to protect the system from damage due to short-circuit conditions.When the system is operating within normal conditions, the breaker remains in the “on” position. However, if the current exceeds the pre-set limit, the thermal element begins to heat up, causing the breaker to “trip” and interrupt the current flow. In the event of a short circuit, the magnetic element detects the increase in current and triggers the breaker to quickly break the current. This helps safeguard the system from fire and other electrical hazards.ConclusionThe PR21-61-1.00A-38549-1-V circuit breaker is a reliable and efficient solution for the protection of industrial and commercial electrical systems. Its wide voltage range makes it suitable for a variety of applications, and its heat and magnetic tripping elements ensure that the system remains protected from overloads and short circuits. Understanding how it works and its applications can help choose the correct breaker for the job.

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