JTEP-4-30278-800 Circuit Protection

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

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Circuit Breakers: JTEP-4-30278-800 Application Field and Working Principle

Circuit breakers are designed to protect electrical components from power overloads and current surges by switching off the circuit if the current reaches a predetermined level. Circuit breakers are critical components in any power system and they are commonly used to protect electrical outlets, power cables, lamps, arc-welding circuits, and production equipment. In this article, we will discuss the application field and working principle of JTEP-4-30278-800 Circuit Breakers. JTEP-4-30278-800 Circuit Breakers are designed to protect the operator against shock hazards, overcurrents and short circuits in both low-voltage and medium-voltage applications instantly, reliably, and safely. It features a special over heat cut-out mechanism, which provides extra safety in case of an overload.The JTEP-4-30278-800 Circuit Breakers can be used in a broad range of applications, from residential to industrial. It is suited for use in branch energy supply systems, automatic power supply systems and control circuits containing electric motors, industrial lighting, and other electrical appliances. It can be used for direct current (DC) or alternating current (AC) power at a rated voltage of 110 - 250 volts, and it is certified for control box IP55. The working principle of the JTEP-4-30278-800 Circuit Breaker is based on the concept of overcurrent protection. It uses a thermal element which is activated when a connected load causes an abnormal increase in current, thus switching off the circuit. The thermal element has an adjustable over current trip level, which can be set according to the application’s specific requirements. A typical circuit breaker tripping unit consists of a bi-metallic strip, a thermal overload protection element, a breaking mechanism, and a reset device. The bi-metallic strip is calibrated to respond to a specific over current set point, while the thermal overload protection element acts as a failsafe device. When an overload occurs, the bi-metallic strip is deformed through the effect of heat, which in turn causes a mechanical switch to open the circuit. This is called tripping and it interrupts the flow of current. To reset the JTEP-4-30278-800 Circuit Breakers, the operator must simply push the reset button to close the circuit. The reset button can also be used to safely check the circuit breaker before and after it is switched on. Furthermore, the circuit breaker can be tested by operating it in a fully-loaded condition, or by raising its ambient temperature. The JTEP-4-30278-800 Circuit Breakers are designed to be reliable and safe under various operating conditions. The product is certified for use by the relevant CE and SEMKO safety standards, and it is also designed to meet the rigorous requirements of IEC60947-2. Additionally, the circuit breakers are designed to automatically reactivate after a temperature decrease and to re-establish the current after the load condition has been resolved. In conclusion, the JTEP-4-30278-800 Circuit Breakers are designed to protect electrical systems and components from damage due to overloads or current surges. This type of circuit breaker can be used for DC and AC low and medium voltage applications to create a safe and reliable power system. The JTEP-4-30278-800 Circuit Breakers are also certified to high safety standards and are designed for easy installation, testing and reactivation.

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