279-1-1REC4-52-9-9-70-H

Series:	279
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	70A
Voltage Rating - DC:	160V
Number of Poles:	1
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	DIN Rail

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Introduction

Circuit breakers are devices that are used to prevent over-current in electrical circuits. They are important components in any electrical system and can protect equipment and personnel from dangerous and costly damage. The 279-1-1REC4-52-9-9-70-H is a commonly used type of circuit breaker. Its application field and working principle are essential to understand for proper functioning and safe operation of electrical systems.

Application Field

The 279-1-1REC4-52-9-9-70-H circuit breaker is designed for low-voltage systems. It is typically used for residential and commercial applications including single-phase, three-phase, and direct-current systems. It is frequently used in a range of buildings and structures, and is also common in solar power systems, wind turbines, and other renewable energy systems. The 279-1-1REC4-52-9-9-70-H can also be used for extra protection in high-current systems.

Working Principle

The working principle of the 279-1-1REC4-52-9-9-70-H circuit breaker is based on the concept of thermal-magnetic protection. It is equipped with a thermal element, which is a bimetallic strip that opens in response to an increased temperature. It also contains a magnetically operated switch, which is an electromagnet that energizes when there is an over-current in the circuit. This closes the contacts of the circuit breaker, which in turn disconnects the circuit and interrupts the flow of current. The 279-1-1REC4-52-9-9-70-H is equipped with a level indicator. This indicates when the breaker is in the open or closed position. It is important to ensure that the indicator is showing the correct position, and that the circuit breaker is in the closed position when the system is in operation.

Conclusion

The 279-1-1REC4-52-9-9-70-H circuit breaker is an important component in any low-voltage electrical system. It is designed for residential and commercial applications, and is also commonly used in solar and wind systems. It works on the principle of thermal-magnetic protection, and is equipped with a level indicator to show its extent of operation. Proper understanding of this circuit breaker’s application field and working principles is essential for safe and efficient operation of low-voltage electrical systems.

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