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Kohan Sanat Fajr Engineering Company For the first time in Iran, automatic sandblasting machine for dental implant fixtures has been designed and produced This machine "sandblasting" process without human intervention, to The face is completely automatic and by spraying aluminum oxide (alumina). Sandblast is an English word that means "sand" meaning sand and "blast" meaning explosion and throwing. The capacity of this device is 200 pieces. This device is designed and produced according to the production volume in a completely customized way The company designs the whole sand blast and wet blast system for cabinet and automatic models for special design parts And produces For more complete information, contact the company's phones Thanks

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# Solid Mode Relay (SSR) Three Phase JGX-3: Careful and perfect power control in your hands\r\n\r\nIn the advanced world of industrial automation and electrical control systems, the need for components that can manage heavy loads with a unique accuracy, high speed, and uncertainty of heavy loads are more than ever felt. Mechanical contactors, with all their age, face challenges such as depreciation of moving parts, creating noise and electrical noise (spark) and limited switching speed. Here is the point where solid state relays (SSR) as a modern solution consolidate their place as the beating heart of control systems. In the meantime, the JGX-3 three-phase series provides a new definition of power control by presenting a complete set of advanced features.\r\n\r\n## Beyond a key: Why is the solid mode of choice?\r\n\r\nSolid Mode Relay (SSR) is an electronic switching piece that, unlike electromechanical relays, has no moving part. This fundamental feature has significant benefits:\r\n\r\n** Long life and zero depreciation: ** Lack of moving parts means absent, corrosion and mechanical fatigue. This leads to millions of cycles without reducing quality and the need for maintenance.\r\n** Switching is completely quiet: ** Since the switching is electronically done, no click noise or noise is produced that is ideal for sensitive sound -sensitive environments.\r\n** High Response Speed: ** SSRs can be turned on or off in a fraction of seconds, a feature that is critical to applications requires accurate and rapid control, such as temperature control or PLC systems.\r\n** Non -Arcing: ** Lack of physical contact means no electric spark at the moment of disconnection. This feature greatly enhances the safety and prevents the production of electromagnetic noise (EMIs) that can affect the performance of other electronic equipment.\r\n\r\n## accuracy and flexibility in load control: From crossing zero to random stimulation\r\n\r\nThe JGX-3 relay is not just a turn on and off, but a detailed tool for managing AC loads. This accuracy stems from two internal intelligent circuits:\r\n\r\n** Zero-Crossing Circuit: ** This feature guarantees that the relay only connects the load when the AC voltage is crossing the zero point. This intelligently prevents the invasion of inrush current, which is common in resistance loads (such as heaters and elements). The result is reducing stress on the load and relay itself, extending equipment life and minimizing electromagnetic interactions (EMIs).\r\n\r\n** Random Turn-on: ** In contrast, the random stimulation state allows the relay to connect the load immediately as soon as the steering signal receives the steering signal at any point in the AC cycle. This instant response feature is essential for controlling induction loads (such as motors and transformers) and phase control applications in which the speed of action is prioritized.\r\n\r\n## designed for long -term confidence and stability

# Solid Mode Relay (SSR) three phases JGX-3-4890aa: precise and reliable control of high-power AC loads\r\n\r\nIn the world of modern industrial automation, where accuracy, speed and confidence are a priority, powerful electrical loading is one of the usual challenges. Traditional electromechanical relays, despite the efficiency of some applications, do not meet the needs of modern sensitive and advanced systems due to moving parts, limited lifespan, spark and electrical noise. Solid mode (SSR) three-phase JGX-3-4890AA with a perfect and modern solution removes these limitations forever and brings a new level of control and sustainability to engineers and system designers. This advanced SSR, with the ability to control AC loads up to 90 amps, is an ideal choice for engine management, heaters, lighting systems and other three -phase industrial equipment.\r\n\r\n## Full, fast and non -depreciation performance: Solid state technology benefits\r\n\r\nUnlike mechanical relays that use a moving physical contact to disconnect the circuit, the JGX-3-4890AA uses power semiconductor (such as triac) to perform this task. This technological approach has remarkable benefits:\r\n\r\n** High Life Life: ** Lack of moving parts means lack of abrasion and mechanical depreciation. This feature makes the SSR\'s shelf life far greater than traditional relays and greatly reduces maintenance and replacement costs.\r\n** Extraordinary switching speed: ** Solid mode relays can be disconnected in a fraction of seconds (milliseconds). This high speed is critical for applications that require precise control of temperature, pressure or speed.\r\n** Fully quiet performance: ** Since no physical movements inside SSR occurs, its function is completely quiet and without shake. This feature makes it suitable for use in noise -sensitive environments such as laboratories or medical equipment.\r\n** Top safety and insulation: ** JGX-3-4890AA is equipped with an optical isolator between the input steering circuit and the output power circuit. This feature creates an impermeable electric barrier that protects sensitive control circuits (such as PLC or microcontrollers) against voltage and high load current.\r\n\r\n## Smart design to optimize load control\r\n\r\nThis three -phase relay is designed with a set of smart features to provide the user with maximum efficiency and flexibility:\r\n\r\n** Zero-Cross Switching Circuit: ** One of the most prominent features of this model is switching capability at the AC voltage zero point. This means that the relay only connects when the sinusoidal voltage reaches zero. This intelligent technique minimizes sudden Inrush Current, resulting in reduced load stress, extension of equipment life, and a sharp decrease in electromagnetic noise (EMI) in the network.\r\n\r\n** Random Turn-on: ** For specific applications such as phase Angle Control that require precise control of the output power by changing the angle of fire, this relay with an accident stimulus

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Model HTB-008\r\nProduct 8 Port Fast Ethernet Switch \r\nFixed Port 8*10/100base-TX RJ45 Port (Data)\r\nNetwork Protocol IEEE 802.3 \r\nIEEE 802.3I 10BASE-T\r\nIEEE 802.3U 100Base-TX\r\nIEEE 802.3X \r\nPort Specification 10/100baseet (x) Auto\r\nTransmission Mode Store and Forward (Full Wirespeed)\r\nBandwidth 1.6Gbps \r\nPacket Forwarding 1.15MPPS\r\nMac Address 1K\r\nBUFFER 768K\r\nTransmission Distance 10base-T ： CAT3,4,5 UTP (≤250 Meter) \r\n100Base-TX ： CAT5 OR LATER UTP (150 meter) \r\nWatt Standby Power Consulation ：3w ；\r\nLED Indicator PWR: Power LED\r\n1-8 ： (Link LED = 10/100m Link) \r\nPower External Power DC ： 5V \r\nOperating Tempure/Humidity -10 ～+55 ° C ； 5% ～ 90% RH Non Coagulation\r\nStorage Temperature/Humidity -40 ～+75 ° C ； 5% ～ 95% RH Non Coagulation\r\nProduct Size/Packing Size （L*W*H） 125mm*60mm*24mm\r\n131mm*70mm*65mm\r\nN.W/G.W （Kg） 0.3kg/0.5kg\r\nInstallation Desktop\r\nLightning Protection Level IP30\r\nCertificate CE Mark, Commercial ； CE/LVD EN60950 ；\r\nFCC Part 15 Class B ； ROHS ；\r\n\r\nPrice and Model Switches:\r\n8 ports 10/100 Price 500,000 Tomans\r\n8 ports 10/100/1000 Price 920000 Tomans\r\n5 ports 10/100/1000 Price 550,000 Tomans\r\n\r\nContact: 09307458764