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Best Switch Power Supply

YIDUOYUNCAI 11Port PoE Switch,8 Port 100Mbps PoE+2*1000Mbps Uplink Port and1Gigabit SFP Slot,150W,802.3af/at,Metal Fanless,Unmanaged Plug and Play

  • 【11port poe switch@150W 】PoE switch with 8 100M port PoE + 2 1000M Uplink port+ 1 SFP port, 8×PoE ports providing up to 30W per port, total PoE budget 150W, 2 gigabit ethernet Uplink Port for connecting NVR and Internet , etc..the SFP slot can choose the optcial model with 2km,10km,20km,40km...etc..
  • 【Active poe switch with 802.3af/at compliant】poe switches support poe devices and non-poe devices, but when connecting passive poe device or non-poe device, the switch can only transmit data and cannot power your device, so the connected device needs to be separately powered. Or you can use it with active poe splitter..
  • 【AI PD Detection】The poe port will intelligently judge whether the device connected to the port needs power supply. If it is a non-poe device that does not need power supply, the switch will not supply power to these devices and will not damage the device..
  • 【Built-in power supply】The power supply is located in the poe switch body and integrated with the switch. It is simple and light. After connecting to our AC Power Cable, the switch can transmit power to the equipment connected to the switch..
  • 【Plug and Play】Easy setup with no software installation or configuration needed.
  • 【Network cable short-circuit protection mechani....
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Goalake 6 Port Gigabit Ethernet Unmanaged PoE+ Switch, 4 Gigabit PoE+ @52W Built-in Power, 1 Gigabit Uplink + 1 Gigabit SFP Slot, 802.3af/at, VLAN Mode, 4kV Lightning Protection, AI Detection

  • 【VLAN mode 】VLAN mode(Turn on the VLAN switch) support isolate 4 PoE+ port from each other. It is easy for this 4 port PoE switch to manage and maintain ,Prevent broadcast storms, Prevent data confusion, Wireless networking application data is more stable..
  • 【Active poe switch with 802.3af/at compliant】Goalake poe switches support poe devices and non-poe devices, But when connecting passive poe device or non-poe device,the switch can only transmit data and cannot power your device,so the connected device needs to be separately powered. Or you can use it with active poe splitter..
  • 【4 gigabit poe switch@52W 】PoE switch with 4 1000M PoE port + 1 1000M Uplink port,1 x 1G SFP,4×PoE ports providing up to 30W per port, total PoE budget 52W.1 gigabit ethernet Uplink Port for connecting NVR and Internet , etc...
  • 【4KV Lightning Protection】Goalake PoE switch have professional lightning protection design-up 4KV port and power supply thunder prevents, with two levels of protection design respectively, effectively restrain the power of lightning from cable, which equivalent to give the entire network monitoring system with a security fence..
  • 【AI Watchdog function of poe port】When the data or electrical transmission between the poe port and the term....
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Iodine-Potassium Iodide Solution, Laboratory Grade, 100 mL

  • Easier to Set Values - Encoder switch is used on Kungber dc power supply 2021 version to replace the potentiometer switch which is widely used but not easy to adjust. On this version you can just “set” Voltage and Current instead of “adjust”. Make works accuracy, easy and fast..
  • 4 Groups of Internal Memories - You can set 4 groups of commonly used Voltage and Current combination and easily recall them by press “M1-M4”. Use the “ADJUST” knob to set new combinations..
  • Output Switch Control - Sometimes we need to switch between different voltage or current outputs, but we often forget to unplug the previous instrument and cause to burn out, which often occurs in the maintenance. Output switch is designed to solve this problem. By pressing the On/Off key, the required voltage and current can be adjusted without the actual output power, which makes this benchtop DC power supply more secure and more energy efficient..
  • Reliable and Safety - Kungber variable power supply use premium electronic components, provide reliable working status and prolong the product life effectively. Many safety measures are adopt in Kungber power supply- Grounding wire, Leakage protection, Thermal protection, Voltage overload, Power overload and Short-circuit protect....
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YISTER WiFi Control ATS W2R Switch Mini 2 Phase Dual Power Automatic Transfer Switch 220V 240V Changeover Switch (2P 100 Amp NO Power Off) with 1Pack 6 Positions Screw Terminal Strip Blocks

  • The switch is mainly used for testing whether normal or spare power is normal or not.It can switch power supply in 0.03 seconds to build uninterruptible power supply..
  • When the normal power is abnormal, the spare power works at once, which therefore ensures the continuirty, reliability, and safety of power supply..
  • When the normal power supply is normal, it will automatically switch back from the backup power to the normal power supply..
  • Easy to use: quick to install on the rail?There are fasteners on the side in seamless connection and parallel connection.
  • Feature:junction box,wire branch box,meet all kinds of cable branches to improve work efficiency..
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Tattoo Foot Pedal Cast Iron Tattoo Machine Power Supply Body Art Tattoo Machine Foot Switch for Tattoo Salon

  • 【Tattoo Foot Pedal】The tattoo foot pedal is made of high quality cast iron which makes it heat resistant,safe and durable for long-term use..
  • 【Built-in Switch】Built-in switch,mainly used to control the switch of tattoo machine,more stable and longer service life..
  • 【Anti-slip Design】This tattoo foot switch adopted anti-slip surface design,the non-slip groove at the top is good-looking and practical,can be a better fixation.It makes you not feel tired for long time work..
  • 【Wide Use】The connect line is long enough to connect your tattoo foot pedal to power supply.This tattoo pedal is the best choose for tattoo power supply,tattoo machine guns,tattoo kits and tattoo supplies..
  • 【Easy To Use】The tattoo pedal switch is suitable for any tattoo power supply.Just connect this tattoo pedal to the tattoo power supply and you can easily use it..
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Tattoo Foot Pedal - Yangna Tattoo Pedal with 5'ft Clip Cord And Standard 1/4 Phono Plug Tattoo Foot Switch

  • QUALITY MATERIAL - The tattoo pedal switch is made of high quality ABS which makes it heat resistant, resistant and tough. This tattoo foot switch is durable and reliable, soft silicone cable is uneasy to break. The first choice of professional tattooists!.
  • HUMANIZE COMBINATION - Professional tattoo foot pedal with 5'ft silicone clip cord and standard 1/4 phono plug. Making the tattoo machine power on fast and easily. It is very flexible that perfect for power supply, machine guns, tattoo supplies and tattoo kits..
  • EXCELLENT DESIGN - Yangna tattoo foot switch design for superior ankle comfort and the touch switch design is easy to control. The groove at the top makes the foot switch pedal base with anti-skid. It is durable, and convenient to carry and use..
  • EASY TO USE - The tattoo foot switch and tattoo clip cord are easily connect your machine & power supply. The touch switch design, with your foot slight touching it,it will make the tattoo machine power on. It suit for all kinds of tattoo machines and power supply use..
  • SATISFACTION GUARANTEE - We are dedicated to providing our customers with affordable, premium tattoo foot pedal switch. If you are not satisfied for any reason simply email us and we will replace or refund your purchase when you order ....
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IKococater DC Power Supply Variable 60V 5A with Output Switch, Adjustable Regulated Switching Bench Power Supply with 4-Digits LED Power Display, 5V/2A USB Interface, Accurate Encoder Adjustment Knob

  • Set Values by Accurate Encoder Knob: Just "set" Voltage and Current instead of "adjust". You can press the Voltage and Current encoder knob to select the Digit you want to adjust, then rotate the knob to set the value from 0-13. Each Digit can be set easily by the accurate encoder knob. The encoder switch replaces the potentiometer switch, making your work easier, more accurate and efficient..
  • Output Switch Control - Sometimes we need to switch between different voltage or current outputs, but we often forget to unplug the previous instrument and cause to burn out, which often occurs in the maintenance. Output switch is designed to solve this problem. By pressing the On/Off key, the required voltage and current can be adjusted without the actual output power, which makes this benchtop DC power supply more secure and more energy saving..
  • Compact and Various Application: IKococater DC power supply is less than 3 lb and measures only 9.5 x 3.4 x 6.1 inches, applies for laboratory, school, repair, electrolyzation, electroplate, brush plating, lamp test, aging testing, battery charge, home DIY and other requirements. 5V/6A USB Interface could charge your cellphone and provide power for the device which you want to repair, no worry about run....
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Saihisday 12V Car Auxiliary Heater, 4 Ports Universal Underdash Compact Auxiliary Heater, Winter Automotive Air Conditioner for Heating&Defrosting

  • Function: Designed with powerful blower motor and 4 vent holes, this car air conditioner is used as windscreen defroster, demister and heater in winter..
  • Type: 4 Ports Universal Underdash Compact Auxiliary Heater.
  • Fitting Required: 5/8"(16mm) inner diameter water hose..
  • Switch Instruction 1: The red wire of the speed control switch is connected with positive pole of power supply and motor..
  • Switch Instruction 2: The blue wire of the switch is connected with negative pole of motor..
  • Switch Instruction 3: The black wire of the speed control is connected with negative pole of power supply..
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One Tattoo World Dual Digital LCD Tattoo Machine Power Supply | LCD Display | Stainless Steel Pedal & 2 Clip Cords | Red

  • ... of your home. Our supplies will also work well in a professional tattooing establishment..
  • CONNECT LINER & SHADER MACHINES SIMULTANEOUSLY: This dual power supply unit allows the tattoo artist to connect liner and shader machines simultaneously, streamlining the tattooing process and providing effortless results. To switch from a liner to a shader, simply flip the switch on the lower left corner to divert the power to the desired device..
  • 110/220V CONVERSION SWITCH: The digital, ultra-bright LCD screen makes it incredibly easy to ready the voltage and provides an overall more accurate readout than other machines like it. We have included a 110/220V conversion switch on the back. This affordable power supply box goes great with your at-home permanent tattoo kit..
  • ONE TATTOO WORLD: At One Tattoo World, we are dedicated to providing our customers with affordable, premium tattooing equipment. If you're looking for a one-stop shop for all your tattoo needs, you've found it. We believe it is important for everyone to be able to express their artistic selves to the world in whatever way they please. That is why we make sterilized tools for your tattoo needs..
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NICE-POWER DC Power Supply Variable: 30V 10A Adjustable Switching Regulated High Precision 4-Digits LED Display 5V/2A USB Port Test Lead Output & Input Power Cord Bench Lab Power Supplies

  • 【High Precision, Low Ripple, LED Display, Auto Switch C.C/C.V Mode】NICE-POWER 30V 10A DC power supply is a professional power supply regulator with high accuracy of 0.01V and 0.001A, low ripple of DC power supply. The backlit 4-digits LED display has the advantage of high resolution, which can be easily viewed even if you are in low-light conditions . Adjustable power supply has C.V/C.C indicator, constant voltage and constant current mode can automatically complete the switch..
  • 【CE & FCC Certification, Multiple Protection, Various Application】Lab power supplies have passed CE & FCC Certification. 30V DC power supply has multiple protections: overvoltage protection, overcurrent protection, overheating protection, over power protection, short circuit protection, leakage protection. DC power supply is suitable for LiFePO4 battery charging, arduino project, anodizing, laboratories, schools, electronic maintenance , electrolysis, electroplating, lamp test, DIY, etc..
  • 【Stable Vertical Design, Lightweight and Portable】Bench power supply adopts stable vertical design, DC power supply has shock absorber rubber feet at the bottom, so it will be safer and more stable during use. DC power supply is very light and portable, with a size of only 3.3 x 9.....
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Nice-Power Adjustable DC Power Supply (0-30V, 0-10A) Variable Switching Regulated High Precision 4-Digits LCD Display 5V/2A USB Port Test Lead Output & Input Power Cord Bench Lab Power Supplies

  • 【High Precision, Low Ripple, LED Display, Auto Switch C.C/C.V Mode】NICE-POWER 120V 3A DC power supply is a professional power supply regulator with high accuracy of 0.01V and 0.001A, low ripple of DC power supply. The backlit 4-digits LED display has the advantage of high resolution, which can be easily viewed even if you are in low-light conditions . Adjustable power supply has C.V/C.C indicator, constant voltage and constant current mode can automatically complete the switch..
  • 【CE & FCC Certification, Multiple Protection, Various Application】Lab power supplies have passed CE & FCC Certification. 120V DC power supply has multiple protections: overvoltage protection, overcurrent protection, overheating protection, over power protection, short circuit protection, leakage protection. DC power supply is suitable for LiFePO4 battery charging, arduino project, laboratories, schools, electronic maintenance , electrolysis, electroplating, lamp test, aging test, DIY, etc..
  • 【Stable Vertical Design, Lightweight and Portable】Bench power supply adopts stable vertical design, DC power supply has shock absorber rubber feet at the bottom, so it will be safer and more stable during use. DC power supply is very light and portable, with a size of only 3.3 x ....
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Kungber DC Power Supply Variable with Memory, 120V 3A Adjustable Switching Regulated DC Bench Linear Power Supply with Memory Recall and Output Disable Button 4 Digits Display and Alligator Leads

  • Easier to Set Values - Encoder switch is used on Kungber dc power supply 2021 version to replace the potentiometer switch which is widely used but not easy to adjust. On this version you can just “set” Voltage and Current instead of “adjust”. Make works accuracy, easy and fast..
  • 4 Groups of Internal Memories - You can set 4 groups of commonly used Voltage and Current combination and easily recall them by press “M1-M4”. Use the “ADJUST” knob to set new combinations..
  • Output Switch Control - Sometimes we need to switch between different voltage or current outputs, but we often forget to unplug the previous instrument and cause to burn out, which often occurs in the maintenance. Output switch is designed to solve this problem. By pressing the On/Off key, the required voltage and current can be adjusted without the actual output power, which makes this benchtop DC power supply more secure and more energy efficient..
  • Reliable and Safety - Kungber variable power supply use premium electronic components, provide reliable working status and prolong the product life effectively. Many safety measures are adopt in Kungber power supply- Grounding wire, Leakage protection, Thermal protection, Voltage overload, Power overload and Short-circuit protect....
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POWERBES DC Power Supply Variable 120V 3A - Adjustable Horizontal Switching Regulated Benchtop, Highly Portable, 3-Row & 4 Digits Display, Highly Accurate (0.01V - 0.001A), Testing Leads Included

  • 【Highly Accurate Encoder Adjustment】 Just press the voltage or current encoder knob of the DC power supply to switch between each digit, and then turn the knob to set each digit in the range of 0-9, you can directly and accurately set the voltage or current you want. It is more precise and convenient than traditional knobs..
  • 【Output Switch Control】 In the process of using the variable power supply, you can adjust the voltage and current you need by pressing the output button at any time. This design can prevent you from damaging the appliance because you forget to disconnect the output. Effectively improve your experiment efficiency..
  • 【Automatic Power Calculation】 The bench power supply will automatically calculate the power based on the voltage and current, and display the voltage, current and power on the high-definition four-digit digital display. The accuracy is 0.01V, 0.001A. The bright digital display allows you to use the bench power supply in a dim environment..
  • 【Short Circuit Alarm】 When the load equipment fails and short-circuits, the adjustable dc power supply will emit a buzzer alarm. Prevent excessive output current from damaging the load equipment. In addition, it has multiple protections, such as grounding wire, leakage pr....
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