EFFEKTA ups electrical components Germany EFFEKTA ups models EFFEKTA ups prices

EFFEKTA ups electrical components are fuses that can be operated multiple times, known in Japan as permanent fuses. Immediately after interrupting 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. Glass material fills the space between the stainless steel and the ceramic core, serving 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 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.

EFFEKTA ups electrical component composition

The printed circuit board mainly consists of pads, vias, mounting holes, traces, components, connectors, copper pours, and electrical boundaries. ① Pads: metal holes used for soldering component pins. ② Vias: there are metallic vias and non-metallic vias; metallic vias are used to connect component pins between layers. ③ Mounting holes: used to secure the printed circuit board. ④ Traces: copper films forming electrical networks that connect component pins. ⑤ Connectors: components used for inter-board connections. ⑥ Copper pours: copper filling applied to ground networks to effectively reduce impedance. ⑦ Electrical boundaries: define the dimensions of the printed circuit board; no components on the board may extend beyond this boundary.

EFFEKTA ups electrical component classification

Thermosensitive materials are generally classified into three categories: semiconductors, metals, and alloys: 1. Semiconductor thermistor materials include single-crystal semiconductors, polycrystalline semiconductors, glass semiconductors, organic semiconductors, and metal oxides. They all have very large temperature coefficients of resistance and high resistivity, resulting in high sensitivity for sensors made from them. Based on the temperature coefficient of resistance, they can also be divided into negative temperature coefficient (NTC) materials and positive temperature coefficient (PTC) materials. For example, barium titanate ceramic is an ideal PTC semiconductor material. Both types of materials are widely used in temperature measurement, temperature control, temperature compensation, switching circuits, overload protection, and time delay applications, such as in the manufacture of thermistor thermometers, thermistor switches, and thermistor delay relays. Due to the exponential relationship between resistance and temperature, these materials have a narrow temperature measurement range and poor uniformity. 2. Metal thermistor materials are widely used as thermal resistors for temperature measurement, current limiters, and automatic constant-temperature heating elements. Examples include platinum resistance thermometers, nickel resistance thermometers, and copper resistance thermometers. Among them, platinum temperature sensors exhibit significantly high precision and stability in various media (including corrosive media). However, their widespread application is somewhat limited due to the scarcity and high price of platinum. Copper temperature sensors are cheaper, but long-term use in corrosive media can lead to significant changes in static characteristics and resistance values. Nickel temperature sensors are widely used abroad and are considered a relatively ideal material because they offer high sensitivity, satisfactory reproducibility, and stability. 3. Alloy thermistor materials, also known as thermistor alloys. This type of alloy has higher resistivity, and its resistance value is sensitive to temperature changes, making it a good material for manufacturing temperature-sensitive sensors. The performance requirements for thermistor alloys as temperature-sensitive sensors are as follows: (1) sufficiently high resistivity; (2) relatively high temperature coefficient of resistance; (3) linear expansion coefficient close to that of the experimental material; (4) low strain sensitivity coefficient; (15) good repeatability of the resistance-temperature curve during heating and cooling within the operating temperature range.

EFFEKTA ups electrical component parameters

Key technical parameters of solid-state relays include: input voltage range, input current, turn-on voltage, turn-off voltage, reverse polarity voltage, rated output current, rated output voltage, output voltage, output leakage current, turn-on time, turn-off time, zero-crossing voltage, maximum surge voltage, electrical system peak, voltage rate of rise, operating temperature, ambient temperature range, dielectric withstand voltage, insulation resistance, electrical system peak, turn-off time, conduction time, output terminal leakage current, maximum on-state voltage transient overvoltage, maximum zero-crossing turn-on voltage, power consumption, maximum surge current, minimum load current, maximum load current, output voltage range, minimum input impedance, reverse polarity voltage, input current, guaranteed turn-off voltage, guaranteed turn-on voltage, input voltage range.

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