CSM GMBH electrical components Germany CSM GMBH models CSM GMBH prices

CSM GMBH electrical components refer to an electrical device that disconnects the circuit by melting the fuse element with the heat generated by itself when the current exceeds the specified value. A fuse is a current protection device made based on the principle that after the current exceeds the specified value for a period of time, the heat generated by itself melts the fuse element, thereby disconnecting the circuit. Fuses are widely used in high and low voltage distribution systems, control systems, and electrical equipment as short-circuit and overcurrent protectors, and are one of the most commonly used protective devices. Using a metal conductor as the fuse element connected in series in the circuit, when overload or short-circuit current passes through the fuse element, it melts due to its own heating, thereby disconnecting the circuit. The fuse has a simple structure and is easy to use, and is widely used in power systems, various electrical equipment, and household appliances as a protective device.

CSM GMBH electrical component classification

Standard power supplies can be subdivided into: switching power supplies, inverter power supplies, AC stabilized power supplies, DC stabilized power supplies, DC/DC power supplies, communication power supplies, module power supplies, variable frequency power supplies, UPS power supplies, EPS emergency power supplies, purified power supplies, PC power supplies, rectifier power supplies, custom power supplies, heating power supplies, welding power supplies/arc power supplies, electroplating power supplies, network power supplies, power operation power supplies, adapter power supplies, linear power supplies, power controllers/drivers, power power supplies, other standard power supplies, parameter power supplies, voltage-regulating power supplies, transformer power supplies. Special power supplies can be subdivided into: shore power supplies, security power supplies, high-voltage power supplies, medical power supplies, military power supplies, aerospace power supplies, laser power supplies, other special power supplies.

CSM GMBH electrical component applications

Dedicated solid-state relays can have short-circuit protection, overload protection, and overheat protection functions. By combining with solidified encapsulation of combinational logic, intelligent modules required by users can be realized and directly used in control systems. Solid-state relays have been widely used in computer peripheral interface equipment, constant temperature systems, temperature regulation, electric furnace heating control, motor control, CNC machinery, remote control systems, industrial automation devices; signal lights, dimming, flashers, lighting stage lighting control systems; instruments and meters, medical devices, copiers, automatic washing machines; automatic fire fighting, security systems, and as switching switches for power capacitors for grid power factor compensation, etc. In addition, they are heavily used in chemical, coal mining, and other occasions requiring explosion-proof, moisture-proof, and corrosion-resistant properties.

CSM GMBH electrical component structure

A solid-state relay consists of three parts: input circuit, isolation, and output circuit. According to different categories of input voltage, the input circuit can be divided into DC input circuit, AC input circuit, and AC/DC input circuit. Some input control circuits also have functions compatible with TTL/CMOS, positive and negative logic control, and inversion, which can be conveniently connected to TTL and MOS logic circuits. For control signals with fixed control voltage, resistive input circuits are used. The isolation and coupling methods between the input and output circuits of solid-state relays include optocoupling and transformer coupling: optocoupling usually uses photodiode-phototransistor, photodiode-bidirectional optically controlled thyristor, and photovoltaic cells to achieve isolated control between the control side and the load side; high-frequency transformer coupling utilizes the self-excited high-frequency signal generated by the input control signal, which is coupled to the secondary, detected, rectified, and processed by logic circuits to form a drive signal. The power switch of the solid-state relay is directly connected to the power supply and load terminals to realize the on/off switching of the load power. Mainly used are high-power bipolar transistors, unidirectional thyristors, bidirectional thyristors, power field-effect transistors, and insulated-gate bipolar transistors. The output circuit of solid-state relays can also be divided into DC output circuits, AC output circuits, and AC/DC output circuits. According to the load type, they can be divided into DC solid-state relays and AC solid-state relays. Bipolar devices or power field-effect transistors can be used for DC output, while two thyristors or one bidirectional thyristor are usually used for AC output. AC solid-state relays can be further divided into single-phase AC solid-state relays and three-phase AC solid-state relays. AC solid-state relays can be classified into random-type AC solid-state relays and zero-crossing-type AC solid-state relays according to the timing of conduction and turn-off.

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