APL2110-4019-1 Circuit Protection

Series:	APL
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	--
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Circuit Breakers: APL2110-4019-1 Application Field and Working Principle

Circuit breakers are an indispensable device in modern electrical systems. APL2110-4019-1 is a type of miniature circuit breakers (MCBs) produced by ABB. It can offer a protection solution for single and three-phase systems up to 16A. This is particularly useful in situations where space is limited. In this article, we will explore the working principle of the APL2110-4019-1 as well as its application field.The APL2110-4019-1 is a thermal-magnetic MCB. This means it is a combination of both the thermal and magnetic principles of overload protection. The electromagnetic system trips the MCB when the current reaches a certain predetermined value. Meanwhile, the thermal system trips the MCB when the temperature caused by an overload of current rises above a pre-set level.The APL2110-4019-1 can be applied to protect against overload and short circuit from single and three-phase systems up to 16A. It has a one-pole, two-pole, three-pole and four-pole configuration for a wide variety of applications such as domestic, commercial, industrial and even marine and railway systems. It has a rated insulation voltage of 690V, an operating temperature range between -5˚C and +55 ˚C, and can be operated in an AC-3 (for motor-control) or AC-4 (for motor-start) environment.Aside from its application field, it is also important to understand the working principle of the APL2110-4019-1. The MCB\'s main components are a thermal element, a magnetic element, a bimetallic element, a release spring and a tripping mechanism. When we increase the current flowing through the MCB, the thermal element will get hot and expand. This expansion will close a gap in the bimetallic element, which will cause it to bend and trip the MCB. Meanwhile, the magnetic element generates an electromagnetic field which is proportional to the current. If the current reaches a certain predetermined level, the magnetic element will create a magnetic force which will trip the MCB. The APL2110-4019-1 has a number of benefits over other types of circuit breakers. Its small size and high sensitivity and accuracy make it ideal for protection solutions in space-limited applications. Furthermore, the thermal-magnetic design ensures reliable and robust protection against both overload and short circuit.To summarize, the APL2110-4019-1 is a thermal-magnetic MCB produced by ABB. It is suitable for motor-control and motor-start applications, with a rated insulation voltage of 690V and operating temperature range between -5˚C and +55 ˚C. The small size combined with its high sensitivity and accuracy make it an ideal protection solution for single and three-phase systems up to 16A. Finally, the thermal-magnetic design ensures reliable and robust protection against both overload and short circuit.

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