HADIMEC electrical components Germany HADIMEC model HADIMEC price

HADIMEC electrical components are fuses that can be operated multiple times, known in Japan as permanent fuses. Immediately after interrupting an overload or short-circuit current, the fusible element automatically restores to its original state. The housing is made of austenitic stainless steel, with a beryllium oxide ceramic core embedded in the center. The space between the stainless steel and the ceramic core is filled with glass to seal and secure the ceramic core. The fine pores of the ceramic core are filled with metallic sodium as the fusible element, and the void behind the piston is charged with argon gas to compress the metallic sodium. Under normal operating conditions, current can enter from lead terminal A, pass through the metallic sodium in the fine pores of the ceramic core, conduct to the stainless steel housing, and exit via output terminal B. When a short-circuit current passes through the fuse, the short-circuit current rapidly heats the metallic sodium in the fine pores of the ceramic core, causing it to change from a solid to a high-temperature, high-pressure plasma vapor. The resistivity increases rapidly, thereby strongly limiting the short-circuit current and interrupting the current instantly. When the interruption ends, the metallic sodium vapor immediately returns to liquid and solid states, while the argon gas again pushes the piston to compress the metallic sodium, re-establishing the circuit connection.

HADIMEC electrical component classification

Terminal blocks can be classified into European-style terminal block series, plug-in terminal block series, transformer terminal blocks, building wiring terminals, fence-style terminal block series, spring-type terminal block series, DIN rail-mounted terminal block series, wall-through terminal block series, optocoupler-type terminal block series, various ring terminals, tubular terminals, wire terminals, copper strips, iron strips, etc. Usage methods include plug-in, fence-style, spring-type, DIN rail-mounted, wall-through, and fuse terminals.

HADIMEC electrical component features

Utilizing existing DIN rail-mounted terminal block frame screw connection technology and adding circuits composed of electronic components, optical transmission coupling is achieved. The core of automatic control requires that the control unit be reliably isolated from various sensors and actuators to prevent interference. Sanmenwan WUKG6 opto-isolated terminals can effectively perform this function, ensuring that field signals match the low voltage required by electronic control devices. They can also serve as interface components between peripheral equipment for process control and control, signal, and regulator devices, and are suitable for different voltage and power ranges. Opto-isolated terminals offer advantages such as low signal loss at the control end, high switching frequency, no mechanical contact bounce, wear-free switching, high insulation voltage, resistance to vibration, independence from position, and long service life, leading to their widespread application in the field of automatic control.

HADIMEC electrical component characteristics

Dynamic characteristics refer to the output behavior of a sensor when the input changes. In practical applications, the dynamic characteristics of sensors are often expressed by their response to certain standard input signals. This is because the response of a sensor to standard input signals is easily determined experimentally, and there is a certain relationship between its response to standard input signals and its response to arbitrary input signals; often, knowing the former allows inference of the latter. The most commonly used standard input signals are step signals and sinusoidal signals, so the dynamic characteristics of sensors are also commonly expressed by step response and frequency response.

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