Reviews Adjustable Voltage Protection- BestItemr.com

DROK Voltage Boost Converter, DC 6-30V 5V Step Up to DC 7-32V 12V 24V 5A Adjustable Volt Regulator, LCD Power Supply Module Voltage Current Amp Display Transformer Circuit Board with Case

Output voltage: DC 7-32V continuously adjustable (the output voltage must be at least 1.5V higher than the input voltage).
Output current: 5A (max), adjustable, recommended to use within 4A.
Output power: 60W (max), recommended to use within 50W..
Clear LCD Display --- The boost board is designed with a large clear digital LCD display on which shows both voltage and current value simultaneously. Which is easy to read and can help the user easily monitor the output voltage, then largely enjoy their DIY work..
General Application --- This voltage step up converter can be used as ordinary step-up module with over-current protection, constant current LED driver module.
Features --- Constant current/voltage mode.
Input reverse connection protection. You can find the PDF Instructions on this page -- Product information -- Product guides and documents -- User Manual [PDF]..
NOTE --- 1). Constant current adjustable means that CC mode only works when the actual load output current is greater than the setting one, otherwise it will work in a constant voltage state, not the current is adj....

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BSEED Electronic Surge Protector for Home Appliance,Voltage Protector Suit for Refrigerators and Freezers, Voltage Brownout Outlet 220V 20A,4400Watts(1 Pack)

...le: As there is an interruption in the current flow, the Voltage surge protector gives an interval of 3 minutes to allow the voltage to stabilize. Additionally, the Voltage surge protector provides protection against voltage spikes that can damage electrical equipment..
✅Adjustable Voltage: The minimum voltage capacity of the protector is adjustable. It can be adjusted from 170V to 265V according to your needs. (Adjustable position is at the back).
✅Applicable Equipment: The voltage (surge) protector suit for Air Conditioners, Freezers, Ice Makers, Washing Machines, or any Large Appliances..

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DC Power Supply Variable Eventek Adjustable Switching DC Regulated Bench Power Supply with 4-Digits LED Display, USB Interface, Alligator Cord/Test Lines (30V 10A)

【ADVANTAGE】Novel design, strong and durable, portable handle, easy to handle. Constant voltage, constant current automatic conversion, can be uesd as a constant voltage source, can also be used as a constant current source..
【PRODUCT CHARACTERISTICS】The Adjustable DC Regulated Power has plastic panel, beautiful and generous. Hand-held design, easy to carry. Voltage and current are adjusted roughly and finely to adjust voltage and current accurately..
【TEMPERATURE CONTROL】Temperature control, according to the load speed adjustment, effectively reduce the noise, prolong the life of the fan. Perfect protection functions, adjustable overvoltage protection (OVP), short circuit current limiting protection (OCP), overtemperature protection (OTP), overpower protection (OPP)..
【LINEAR ADJUSTMENT MODEL】PWM switch pre-voltage regulation, MOS linear adjustment mode, high effciency, energy saving and envirronmental protection, SMT process, more stable performance. The circuit design is reasonable, the key components are imported and can be used at full load for a long time..
【WIDE APPLICATION】Aging test of factory products: such as DC motor, DVD, audio, resistor, capacitor and other products. Battery Charging Industry: Perfect application in batte....

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BXST Refrigerator Surge Protector Voltage and Surge Protector for Home Appliance Delay Protection（180s） External Switch 20A 220V 4400Watts

Surge Protection: Protect your electrical equipment from voltage spikes, momentary surges, voltage fluctuations, brownouts and over or under voltage..
Delay protection: The device encounters voltage fluctuations and will protect the device by providing output until the voltage is stable. The yellow light is on. The device will delay for 180S and work again..
Adjustable voltage and external switch: The minimum voltage capacity of the protector is adjustable. It can be adjusted from 170V to 265V according to your needs. The external switch is convenient for product use and reduces the number of contact with the electric plug..
Applicable Equipment: The surge and voltage protector suit for Air Conditioners, Freezers, Ice Makers, Washing Machines, or any Large Appliances..
The shell is flame retardant material, and has several patents and promises a one-year quality guarantee..

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DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reduce Transformer Stabilizer Board

DROK DCDC converter input voltage range is DC 4.5-40v, output voltage range is DC 1.25-37v, the voltage is continuously adjustable. It is a non-isolated buck converter, can dial down voltage from 36v 30v 24v to 12v 5v 3.7v 3.5v 3.3v 2v..
Analog Control: Our DC buck converter is designed with a adjustable potentiometer, the output voltage can be easily and accurately adjusted with a mini screwdriver. Clockwise to step up voltage and counterclockwise to step down voltage..
Protection: This power supply supply step down regulator is with over-temperature and short-circuit protection, which protect your device from damaging and enhance its safety when using..
Low Power-consumption: Although the voltage range is wide, this buck voltage module has a low power consumption of only about 3A when in static state..
Note: Please make sure the input voltage is at least 1.5V greater than output voltage to ensure stable output.
please note that there is no reversed connection protection, so check the polarity of input voltage before power on to avoid burning due to reversed connection.
please add heatsink when the output power is larger than 15W..

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Aideepen 1200W 20A DC Converter Boost Car Step-up Power Supply Module Adjustable Voltage Converter 8-60V to 12-83V

【Features】Input overcurrent protection.
【DIY projects】It adopts 7 electrolytic capacitors and a 33MM high-power iron-silicon-aluminum magnetic ring to prevent over-temperature magnetic saturation under high current conditions. Use a piece of aluminum radiator on the back to dissipate heat ，Reserve fan mounting holes, suitable for more DIY projects..
【Adjustable Voltage 】1200W 20A DC converter boost Input voltage range is DC 10-60V, Output voltage range is DC 12-80V.can be arbitrary adjustable.
Input current: 0.5-20A (MAX),Max output power is 1200W.(exceeds 15A, please add fan cooling）.
【Output Power】Input voltage * 20A, such as: input 12V * 20A = 240W, input 24V * 20A = 480W，input 60V * 20A = 1200W Note: Do not use the short-circuit output method to adjust the current. It is recommended to use a smaller adjustment range..
【Widely Application】can be used for high power solar street lamp driving, various LED lighting CV driving, vehicle-mounted and mobile device power, DIY adjustable CV CC power, solar power charging, and various batteries charging..

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Voltage & Electronic Surge Protector

√Automatic Induction Protection: Protect your electrical devices from voltage spikes, instant surge, voltage fluctuation, brownout and those....
√Simple and Easy-to-Understand Indicators: When the voltage rating of the appliance reaches the maximum/minimum allowable capacity of the protector,....
√Delay Function: If the device encounters (electric power) voltage fluctuations, it will protect the appliance by providing the output until the....
√Adjustable Knob and Switch: The minimum voltage capacity of the protector is adjustable. It can be adjust from 90V to 140V according to your needs..
√Versatile Compatibility: The voltage (surge) protector is compatible with different appliances, for instance, air conditioner, TV, laptop,....

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Exceline Voltage & Electronic Surge Protector Refrigerators

√Automatic Induction Protection: Protect your electrical devices from voltage spikes, instant surge, voltage fluctuation, brownout and those....
√Simple and Easy-to-Understand Indicators: When the voltage rating of the appliance reaches the maximum/minimum allowable capacity of the protector,....
√Delay Function: If the device encounters (electric power) voltage fluctuations, it will protect the appliance by providing the output until the....
√Adjustable Knob and Switch: The minimum voltage capacity of the protector is adjustable. It can be adjust from 90V to 140V according to your needs..
√Versatile Compatibility: The voltage (surge) protector is compatible with different appliances, for instance, air conditioner, TV, laptop,....

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Buck Converter 24v to 5v, DROK DC 4-32V to 1.25-30V 3A Adjustable Step Down Module, LM2596 Voltage Regulator Board, 12V to 5 V LED Power Supply Transformer

PARAMETER — input voltage range DC 4V-32V.
DISPLAY — LED displays output voltage, output current and input voltage (switched by MODE button)..
ADJUSTABLE OUTPUT — output voltage can be adjusted by screw..
ON/OFF SWITCHABLE OUTPUT — output voltage can be turned on/off by button.
when the output is off, the screen will display OFF..
PROTECTION — input reverse connection protection.

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DC Variable Power Supply WZ5005 Adjustable Switching Power Supply with 4 Digit LCD Display for Lab Equipment and Electronic Testing

...d undervoltage protection for long time usage..
EASY OPERATION-- USB to TTL module (U2T)/RS485 to TTL module (T485) can be selected with remote connection control for necessary test requirements..
EQUIPPED WITH LARGE LCD DISPLAY-- Adjustable switching power supply is designed with 1.8-inch high-definition LCD screen with LCD 4-digit display, support PC upper computer, support for Android APP..
DATA HOLD FUNCTION FOR EASY DATA STORAGE-- Variable power supply comes with convenient and quick data storage, key lock function to prevent misoperation..
AUTOMATICALLY SHUT OFF FOR SAFE TESTING-- The output over?voltage (OVP)/over?current (OCP) data can be set through the buttons on the panel, and the over?temperature protection (OTP)/under?voltage protection (LVP) is built?in. When the output voltage, current and device temperature exceed the protection value, input voltage is less than the protection value, the power supply is automatically shut off to protect the safety of electrical equipment..

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Surge Protector,Voltage Protector for Home Appliance Voltage Brownout Outlet 110V 15A 2200 Watts

√Automatic Induction Protection: Protect your electrical devices from voltage spikes, instant surge, voltage fluctuation, brownout and those....
√Simple and Easy-to-Understand Indicators: When the voltage rating of the appliance reaches the maximum/minimum allowable capacity of the protector,....
√Delay Function: If the device encounters (electric power) voltage fluctuations, it will protect the appliance by providing the output until the....
√Adjustable Knob and Switch: The minimum voltage capacity of the protector is adjustable. It can be adjust from 90V to 140V according to your needs..
√Versatile Compatibility: The voltage (surge) protector is compatible with different appliances, for instance, air conditioner, TV, laptop,....

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CGOLDENWALL Lab Compact Spin Coater Machine Spin Processor EZ4 + Oil-free vacuum pump + VACUUM SPIN CHUCK HS-EZ4

...d undervoltage protection for long time usage..
EASY OPERATION-- USB to TTL module (U2T)/RS485 to TTL module (T485) can be selected with remote connection control for necessary test requirements..
EQUIPPED WITH LARGE LCD DISPLAY-- Adjustable switching power supply is designed with 1.8-inch high-definition LCD screen with LCD 4-digit display, support PC upper computer, support for Android APP..
DATA HOLD FUNCTION FOR EASY DATA STORAGE-- Variable power supply comes with convenient and quick data storage, key lock function to prevent misoperation..
AUTOMATICALLY SHUT OFF FOR SAFE TESTING-- The output over?voltage (OVP)/over?current (OCP) data can be set through the buttons on the panel, and the over?temperature protection (OTP)/under?voltage protection (LVP) is built?in. When the output voltage, current and device temperature exceed the protection value, input voltage is less than the protection value, the power supply is automatically shut off to protect the safety of electrical equipment..

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CBI Tools New Cable and Wire Grip 2000lb Capacity - Cable Size 3/32"-5/8"

【Volt Adjustment】 Input Voltage can be 110V or 220V. Wide adjustable output Voltage range: DC 0-48V. This supply is suitable for 5V 9V 12V 24V 30V 36V 48V devices. The voltage precision is 0.1V. Note——The maximum current is 10A. But the actual current is depended on the load. No matter how many voltage is adjusted, the current is 10A and can not be regulated. It can be used to device of 2A 3A 5A 10A. Make sure to use the devices which is below 10A..
【Hareware】 This Buck Converter is equipped with LED screen, heat sink and cooling fan. The LED screen can clearly display the output voltage. Heat sink and cooling fan can control the temperature in a safe range. During the running power is high, the cooling fan will automatically activate with little noise..
【Easy Operation】 This supply is no need to install, after connecting wire, it can be used to adjust output, which is convenient. The potentiometer is inset into the supply. Only to rotate the potentiometer can adjust output parameter..
【Protection】 Over Load Protection, Over Voltage Protection, Short Circuit Protection, which can protect your device from....

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