3120-F71R-P7T1-A20Q-10A

Series:	3120-F
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Thermal
Moisture Sensitivity Level (MSL):	--
Current Rating:	10A
Voltage Rating - AC:	250V
Voltage Rating - DC:	50V
Number of Poles:	1
Actuator Type:	Rocker
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Circuit Breakers

3120-F71R-P7T1-A20Q-10A Application Field and Working Principle

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. Circuit breakers are made in varying sizes, from small devices that protect an individual household appliance up to large switchgear designed to protect high voltage circuits feeding an entire city.The 3120-F71R-P7T1-A20Q-10A is a high voltage circuit breaker designed for switchgear applications and protection from overload and short circuit damage. The unit is a three-pole, SF1 type with a rated voltage of 690V, a rated current of 10A, and a maximum short-circuit breaking capacity of 25kA. It features reverse-directed arc-quenching with a contact opening gap of 10mm.The operation of the circuit breaker is based on a magnetic and/or thermal principle. When the current passes through, it causes the electromagnetic field in the coil to be activated. The electromagnetic energy produced attracts the magnetic field core, driving the compression of the contact switch, and the contacts are separated. As the contacts are separated, an arc between them is produced, which causes a rapid increase in temperature and pressure. The rapid increase in temperature and pressure causes the arc to be extinguished, the contacts are then separated, and the current is interrupted.The 3120-F71R-P7T1-A20Q-10A is suitable for industrial switchgear systems, power and distribution systems, and other applications where protection from overload and short circuit events is required. The unit also allows for easy repairs and maintenance as it features a snap-action mechanism.The 3120-F71R-P7T1-A20Q-10A is a reliable and cost-effective solution and provides the highest standard of protection against overload and short circuit events. It features a fast-acting mechanism, arc-quenching, easy installation and maintenance, and high breaking capacity. The unit is designed to withstand the most demanding conditions and provides excellent safety in high-voltage systems.In conclusion, the 3120-F71R-P7T1-A20Q-10A circuit breaker is a versatile, durable, and cost-effective solution for protecting a variety of electrical systems from overload and short-circuit events. Its snap-action mechanism and fast-breaking properties make it an ideal choice for industrial applications, and its robust design ensures that it can withstand repeated operations and long periods of use.

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