Series:	209
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	125A
Voltage Rating - DC:	125V
Number of Poles:	2
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	DIN Rail

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Introduction

Circuit breakers are devices used to protect electrical circuits from damage due to overcurrent, short circuit and other overload conditions. 209-2-1REC5-53-2-9-125 circuit breakers are ideally suited for low-voltage applications such as residential and commercial buildings. In this article, we will discuss the application field and working principle of 209-2-1REC5-53-2-9-125 circuit breakers.

Application Field

209-2-1REC5-53-2-9-125 circuit breakers are designed for use in residential and commercial buildings with voltages up to 600VAC or 1000 VDC. These circuit breakers provide overcurrent protection in applications ranging from 15 A to 125A, as well as short circuit protection. This circuit breaker is available in a variety of enclosures, making it suitable for both indoor and outdoor applications.

Working Principle

The 209-2-1REC5-53-2-9-125 circuit breaker utilizes a thermal-magnetic trip unit. A thermal-magnetic trip unit combines both thermal and magnetic properties to provide both instantaneous and delayed tripping. When a high current passes through the circuit breaker’s shunt trip, the head of the breaker melts and releases the spring-loaded contacts, thereby disconnecting the circuit.The 209-2-1REC5-53-2-9-125 circuit breaker also includes a volt-ampere curve which adjusts the tripping time according to the type of load that is connected to the circuit breaker. As the current increases, the circuit breaker’s heat increases and causes the shunt trip to release the contacts. This feature ensures that the circuit is safely disconnected, regardless of the type of load connected to it.The 209-2-1REC5-53-2-9-125 circuit breaker has a current rating of up to 125A, making it suitable for applications that require higher current ratings. It also includes a wide range of trip settings allowing the user to easily adjust the current sensitivity of the circuit breaker. Additionally, the 209-2-1REC5-53-2-9-125 includes a flexible surface-mount design that makes it easier to install in a variety of locations.

Conclusion

The 209-2-1REC5-53-2-9-125 circuit breaker is a versatile device that is designed for use in both residential and commercial buildings. It employs a thermal-magnetic trip unit to provide both instantaneous and delayed tripping when required. Its wide current rating and flexible surface-mount design make it suitable for a variety of applications. Lastly, the 209-2-1REC5-53-2-9-125 has a wide range of adjustable trip settings, allowing the user to easily adjust the current sensitivity of the circuit breaker.

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