LELB1-1-51-70.0-1-01-V

Series:	LEL
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	70A
Number of Poles:	1
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Circuit Breaker:LELB1-1-51-70.0-1-01-V Application Field and Working PrincipleCircuit breakers are essential components in electrical systems that play a vital role in ensuring safety and maximum efficiency of electricity supply. The LELB1-1-51-70.0-1-01-V is an example of an advanced circuit breaker in wide use. This article will discuss its field of application and how the breaker works.The LELB1-1-51-70.0-1-01-V is a two-pole air circuit breaker suitable for use in general power systems with a voltage rating of up to 7500V. It is able to provide maximum security and safety, with features such as high interrupting capacity, advanced trip-free operation, and electrically operated locking devices, among other features. It is designed to be a reliable, low maintenance breaker that is suitable for a broad range of applications.The LELB1-1-51-70.0-1-01-V operates on the principle of thermal magnetic tripping. This mechanism uses two independent components, the thermal unit and the magnetic unit, that work together and act as a failsafe against any flaws in the system. The thermal unit provides a low-level protection, while the magnetic unit provides high-level protection.The thermal unit consists of a bimetallic element that heats up once a current overload exceeds the set value of the element. This causes the contacts to open and break the circuit, thus resetting it. The magnetic unit is composed of a solenoid and a coil. When an overload current occurs, the solenoid reacts to the spark created by the current and trips the magnetic unit’s contacts, which also interrupt the circuit.In conclusion, the LELB1-1-51-70.0-1-01-V is an advanced two-pole air circuit breaker used for a wide range of applications with a voltage rating of up to 7500V. Its thermal magnetic tripping mechanism provides it with high levels of security and safety and allows it to be a reliable, low-maintenance breaker. Its application field is broad, making it suitable for a wide range of electrical systems and making it an indispensable part of any power system.

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