3120-F311-P7T1-W15FY4-3A

The 3120-F311-P7T1-W15FY4-3A circuit breaker is an important part of industrial and commercialelectrical systems. It helps protect people and property by isolating electricity duringconditions such as short circuit, overload, or current leakage. The 3120-F311-P7T1-W15FY4-3Acircuit breaker is suitable for applications in industry and commerce, mainly for electricprotection, distribution, and control of low and medium voltage.

Application Field

The 3120-F311-P7T1-W15FY4-3A circuit breaker is suitable for industrial and commercialapplications. It is suitable for protection and control of AC low-voltage system and AC 50and 60Hz frequency. It offers a degree of protection up to 690V and a starting current up to100A. The circuit breaker is mainly used to protect the electrical system against overload,short circuit, and leakage of current. It is an ideal choice for use in applications such aspower distribution panels, transformers, motor starters, and industrial machinery.

Working Principle

The working principle of the 3120-F311-P7T1-W15FY4-3A circuit breaker is relatively simple.When an overload, short circuit, leakage current or other abnormal condition is detected, thebreaker will trigger its internal trip mechanism. This triggers the valve to cut off the currentflow, thereby preventing any further damage to the system. The trip mechanism of thebreaker takes a few milliseconds to operate. The basic working principle behind this is thatwhen the current exceeds a certain predetermined level, an electromagnetic field is createdwhich in turn triggers the trip mechanism.

The 3120-F311-P7T1-W15FY4-3A circuit breaker also includes thermal protection. Thisprotection helps the breaker detect and react to the excessive heat generated due to anoverload or any other electrical abnormality. The sensor in the breaker will detect anyexcessive heat and close the breaker, thereby protecting the system from further electricaldamage.

The 3120-F311-P7T1-W15FY4-3A circuit breaker is an important device for industrial andcommercial applications, providing an economical solution for overload and short circuitprotection. It is capable of interrupting fault currents in a safe and reliable manner. It ishighly durable and efficient in operation, and is a reliable and cost-effective product.