Series:	8345
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	30A
Voltage Rating - DC:	80V
Number of Poles:	4
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Introduction

Circuit breakers are essential safety devices that are used to protect circuits from becoming overloaded. They are designed to prevent damage to electrical components from excessive current through the circuit. This can be caused by too many devices being connected to the circuit, poor insulation of components or components that are defective or degraded. The circuit breaker works by opening the circuit as soon as it detects a current overload or a short circuit, thus preventing damage.This article will discuss the 8345-B245-T3M2-DB1B2B-30A circuit breaker and its application field and working principle.

Application Field and Working Principle

The 8345-B245-T3M2-DB1B2B-30A circuit breaker is a 3-pole, 240-volt AC (50/60 Hz) device. It has a thermal/magnetic combined operating mechanism, with a thermal contact and a magnetic contact. It is a type B (Class B) circuit breaker, meaning it is rated for a trip current of 10,000 A at 240 volts AC.The primary purpose of the circuit breaker is to protect circuits and components from excessive current by automatically opening the circuit when an overload or short circuit is detected. It works by using an electromagnet surrounded by a coil of wire. This electromagnet is connected to the switch, and when the current exceeds the trip current rating, the electromagnet becomes energized and forces a plunger to open the switch. The circuit breaker has two operating modes, “on” and “off”. In the “on” mode, the plunger is pushed in, allowing the current to flow. In the “off” mode, the plunger is pushed out, interrupting the flow of current. The 8345-B245-T3M2-DB1B2B-30A circuit breaker can be used in a variety of applications, including in residential, commercial and industrial settings. This includes control panels, main switchboards, general-purpose assemblies, lighting control systems, and air conditioning systems. It is suitable for most types of loads, such as those that are inductive, non-inductive or capacitive.

Conclusion

The 8345-B245-T3M2-DB1B2B-30A circuit breaker is a 3-pole, 240-volt AC (50/60 Hz) device with a thermal/magnetic combined operating mechanism. It has a trip current rating of 10,000 A at 240 volts AC, and can be used in a variety of applications, including in residential, commercial and industrial settings. When an overload or short circuit is detected, the electromagnet connected to the circuit breaker switch forces a plunger to open the switch, thus preventing damage to electrical components.

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