ATR Industrie electrical components Germany ATR Industrie models ATR Industrie prices

ATR Industrie electrical components are Zener diodes manufactured to provide voltage regulation by utilizing the reverse breakdown state of a PN junction, where the current can vary over a wide range while the voltage remains essentially constant. This diode is a semiconductor device that exhibits high resistance until the critical reverse breakdown voltage is reached. At this critical breakdown point, the reverse resistance drops to a very low value; in this low-resistance region, the current increases while the voltage remains constant. Zener diodes are graded according to their breakdown voltage. Due to this characteristic, Zener diodes are primarily used as voltage regulators or voltage reference elements. Zener diodes can be connected in series for use at higher voltages, allowing for higher stabilized voltages through series connection.

ATR Industrie electrical components functions

The starter solenoid switch is a key component of the starter motor, and its design quality directly affects the reliability of the starter. The starter solenoid switch has two functions: first, to connect the main circuit to rotate the starter motor; second, to push the drive gear out via the shift fork to engage with the engine flywheel ring gear. Therefore, the solenoid switch is required to have appropriate pulling force, appropriate stroke, and contacts capable of reliably switching high currents. Additionally, it is required to minimize volume and weight as much as possible. Based on these characteristics, the contact structure of the solenoid switch generally adopts a contact form, i.e., the moving contact is made into a bridge shape or disc shape to provide a larger heat dissipation surface and thermal capacity. The magnetic system mostly adopts a solenoid electromagnet structure to meet the requirements of corresponding stroke, corresponding pulling force, small volume, and light weight. The moving iron core of the solenoid switch can move smoothly within a brass bushing equipped with a solenoid coil. The moving iron core pull rod is connected to the shift fork and one-way clutch. Under the action of the return spring, the moving iron core normally remains in the non-operating initial position. During starting, the starter drive gear needs to move forward by approximately 12-20mm. Therefore, when the solenoid switch begins to close, a large magnetomotive force is required to generate the necessary initial pulling force. After actuation, the air gap decreases, and the electromagnetic pulling force increases sharply, greatly exceeding the force required to maintain the closed state. For this reason, the solenoid switch employs two coils (an attraction coil and a holding coil). Initially, both the attraction coil and the holding coil jointly generate electromagnetic pulling force. After the switch contacts close, the attraction coil automatically disengages from the operating state, and the holding coil alone maintains the switch in the closed state. The holding coil current is relatively small, allowing it to be wound with thinner wire. This reduces the volume of the solenoid switch while achieving reasonable pulling force matching. To ensure the reliability of the starter motor, emphasis must be placed on controlling the design quality of the solenoid switch.

ATR Industrie electrical components classification

Circuit breakers are classified by number of poles: single-pole, two-pole, three-pole, and four-pole, etc.; by installation method: plug-in, fixed, and draw-out, etc.

ATR Industrie electrical components classification

Cables include power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, and more. They are all composed of single-strand or multi-strand conductors and insulation layers, used to connect circuits, electrical appliances, etc. Cables can be divided into DC cables and AC cables according to the photovoltaic power station system, and are classified into DC cables and AC cables based on application and operating environment.

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