1140-G111-P1M1-5A

Series:	1140
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Thermal
Current Rating:	5A
Voltage Rating - AC:	250V
Voltage Rating - DC:	50V
Number of Poles:	1
Actuator Type:	Push to Reset
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Introduction

A circuit breaker, also known as an air circuit breaker (ACB) or a thermal-magnetic circuit breaker, is an electro-mechanical device designed to protect an electrical circuit from overload damage by preventing the electrical current from exceeding a predetermined safe level. This can be done by automatically disconnecting a circuit when it is subjected to an overload or a short circuit. ACBs are typically used in industrial and commercial applications where large electrical loads are common. The 1140-G111-P1M1-5A is a type of ACB that is designed to provide efficient, reliable, and safe protection for heavy industrial electrical systems.

Application Field

The 1140-G111-P1M1-5A ACB is designed for use in commercial and industrial applications that require heavy-duty protection. It is most commonly used to protect high-voltage circuits from overcurrent and short-circuit damage. This ACB is ideally suited for applications in the steel, petrochemical, mining, and heavy manufacturing industries, among others. Additionally, it is an excellent choice for applications that require the highest level of safety, reliability, and performance.

Design and Features

The 1140-G111-P1M1-5A ACB is a state-of-the-art design that is designed to meet the demands of industrial and commercial applications. It features a compact and robust design that is durable and reliable. The ACB is available in a variety of voltage and amperage ratings, and it has the capability to disconnect and reconnect the circuit under normal and fault conditions. The 1140-G111-P1M1-5A also features a self-closing and self-opening mechanism that ensures the ACB will reliably cycle through trip and reset processes.

Working Principle

The 1140-G111-P1M1-5A ACB operates on the principle of thermomagnetic trip. This system is comprised of two components, an electromagnet and a thermal sensing device, that control the ACB’s response to overcurrents. The electromagnet is activated when the current in the circuit reaches a predetermined level, which causes the thermal sensing device to open the circuit. Once the current drops below the predetermined level, the thermal sensing device will reset the ACB, allowing the circuit to continue to operate normally.

Safety Features

The 1140-G111-P1M1-5A ACB provides superior protection against overcurrents and short circuits. In addition to reliable protection, the 1140-G111-P1M1-5A ACB also features several safety mechanisms to ensure safe operation. The ACB is designed with a manual circuit trip control and an external trip control input to prevent accidental tripping. Additionally, the ACB is designed with insulated case, ground fault connection, and trip circuit contacts to provide fault indication and prevent arcing.

Conclusion

The 1140-G111-P1M1-5A ACB is a reliable and durable circuit breaker that is designed to provide safe and efficient protection for heavy industrial applications. It is available in a variety of voltage and amperage ratings and features several safety mechanisms to ensure safe operation. The ACB operates on the principle of thermomagnetic trip, which is comprised of an electromagnet and a thermal sensing device. With its robust design, the 1140-G111-P1M1-5A ACB is an excellent choice for industrial and commercial applications that require superior protection and reliable performance.

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