Module 5a

Buy ACS712 Module 5A /20A / 30A Current Detection Board ACS712 Hall Current Sensor Module (CURRENT: 5A) for R205.00

Module parameters: Input voltage: 6V-32V Output voltage: 1.5-32V continuously adjustable (can only be used step-down module, the input must be greater than the output 1.5V or more) Output current: adjustable, the maximum 5A (recommended in the use of 4.5A, when exceed 3A or 35W the best to strengthen the cooling! Suggest using a small fan at the input terminal! Constant current requires an output voltage of 2V or more to be adjusted, the current regulation, only in the constant current state will work, constant current is mainly directly used to the low resistance battery charge or LED working current limit and other use, please make sure about this before you order it. Output power: up to 75W (recommended in the use of 50W, if uses large pressure difference, please reduce the power) Operating temperature: -20 to +70 degrees (pay attention to the power tube temperature, when exceed please strengthen the cooling) Operating frequency: 180KHz Conversion efficiency: up to 96% Short circuit protection: Yes, constant current Current set constant current value Over-temperature protection: Yes (over-temperature automatically turn off the output) Input reverse protection: Yes Output reverse flow: None, for charging please add a diode! Installation: 8pcs pillars, 8pcs 3mm screws Wiring method: wiring terminal or soldering terminal, VIN for the input, VOUT for the output Module size: 65.6mm x 40mm x 25mm (L*W*H) Weight: 77g Calibration method: The module has a calibration function, don't worry about measuring inaccurate problems, if you find the measurment is not inaccurate you can use the following methods calibration. Just need to calibration once for the first time! Voltage calibration: In the case of power down, press and hold the "SET" button, power on, enter the voltage calibration mode, the LCD screen starts to flash, release the set button, press the "Set" key to add, "OK" to reduce, calibrate correct input voltage, such as: the input voltage is 12.65V, then adjust the current voltage to 12.65V, after 2 seconds it automatic save, power off and exit to complete the calibration! Current calibration: For no-load current display, or current is too large! In the case of power off, press and hold the "OK" button, power on, enter the current calibration mode, the LCD screen starts to flash, release the "OK" button, press the "Set" button to add, "OK" button to reduce, calibrate correct current, such as: no load display 0.02A, then adjust to 0.00A, after 2 seconds it automatic save, power off and exit to complete the calibration! Special Note: Some customers feedback that the output voltage can not be adjusted, this is due to the factory default voltage is 20V. When you encounter this problem, please counterclockwise rotation ADJ-V potentiometer 10 laps above, until the voltage value changes, and then the module can be normal adjustment of the voltage. Note: USB output voltage and the module output voltage needs to be consistent, when the USB indicator does not light, means USB has no output, when the USB light is set, it is not fixed 5V output, when charging USB device please make sure the voltage is 5V, if higher than 5.5V screen will flash, it will be reminded to adjust the voltage, otherwise it may damage your device, USB output power is turned off by default, to ensure that mistakenly plug USB will not damage the device. Setting Description: Setting key can be set to four kinds of display mode: 1. F-0 mode: display output voltage; 2. F-1 mode: display input voltage; 3. F-2 mode: alternately display input and output voltage; 4. USB mode: display USB output voltage and turn on or off the USB output; Instructions: press the "set" button, the cycle shows four kinds of display mode, the corresponding indicator light will on/off, press the "OK" key to save and exit, press the "OK" button to switch the LCD backlight. Package includes: 1 x 5A DC-DC Adjustable Step Down Power Supply Module (Board color will send in random)

5A XL4015 DC-DC Step Down Adjustable Power Supply Module LED Lithium Charger with heat sink Specification Module highlights: 5A high power, high efficiency and low ripple with power indicator Input voltage range: 4¿38VDC (Note: input voltage not exceeding 38V) Output voltage range: 1.25-36VDC adjustable Output current: 0-5A, recommended for use in 4.5A. Output power: 75W Working temperature: -40~+85 degrees Operating frequency: 180KHz Efficiency: 96%¿max) Short circuit protection: yes(limit current 8A). Over temperature protection Input reverse polarity protection: None (if required, high current diode in series with the input). L x W x H: 54 x  23 x 18mm  

Description: 5A Constant LED Driver Battery Charging Module Voltmeter Ammeter Adjustable step-down module Specifications: Module Properties: non-isolated constant current and voltage module Rectification: non-synchronous rectification Conversion efficiency: 95% (the highest) Switching frequency: 300KHz Output ripple: 50mV (max) 20M bandwidth Load Regulation: ± 0.5% Voltage Regulation: ± 2.5% Operating Temperature: -40?ﾃto +85??br />Voltmeter Ammeter Measurement accuracy: 0.1% Refresh rate: about 200ms / times Display: 0.28"digital tube Current Range: 0A-5A Voltage range: 5V-30V Please connect right as the printed:"IN-,IN+,OUT-, OUT+", or the Module will be burned. Package included: 1 x Constant Current/Voltage Battery Charging Module Details pictures:

Description: 1. onboard precision micro current transformer 2. high precision op-amp circuit board, do accurate sampling for the signal and appropriate compensation, and other functions 3. the module can measure within 5A current communication, corresponding to output analog quantity can be adjusted 4. PCB board size: 38 (mm) x18.5 (mm) 5. Working voltage: DC5-30V Package included: 1 x 5A Range Single-phase AC Active Output Current Transformer Module

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Optional: Type 1: CNC power supply version Type 2: CNC power supply Modbus version Feature: Input voltage: 6V-32V Output voltage: 0-32V continuously adjustable (can only be used as step-down module, the input must be greater than the output 1V or more) Output current: Adjustable, the maximum 5A (if temperature over 60 degrees, please strengthen the cooling, there are reserved fan installation location and terminal blocks!) Output power: Up to 160W (recommended in the use of 120W, large pressure difference, please reduce the power) Operating temperature: -10 to +75 degrees (Note the use of power tube temperature, exceed the temperature please strengthen the cooling, there are reserved fan installation location and terminal) Resolution accuracy: Voltage 0.01V, Current 0.01A Conversion efficiency: up to 95% Short circuit protection: Yes, constant current the current setting of constant current value Input Anti-Reversed: Yes Output reverse flow: None, for charging please add a diode! Wiring method: Terminal VI + for the input positive, VO + for the output positive Module size: 79mm x 43mm x 46mm (L*W*H) Hole size: 76mm x 39mm (L*W) Weight: 75g Package includes: 1 x Adjustable CNC Step-down Power Supply Setting description: Output voltage setting: short press "CV" key, enter the voltage setting mode, turn the potentiometer to adjust the current voltage, press the potentiometer can switch to adjust voltage value, after adjust short press CV "key to save and exit. Output current setting: short press "CV" key, enter the current setting mode, turn the potentiometer to adjust the current value, press the potentiometer can switch to adjust voltage value, after adjust short press CV "key to save and exit. (note that when constant current, indicator will be turned to red, constant current adjustable current, the actual load output current must be greater than the set current to the constant current mode, otherwise is working as constant voltage state.) Display mode setting: short press "MODE" to switch the display mode, IN is the input voltage, OUT is the output voltage Switch output setting: directly short press the potentiometer key, can open or close the output voltage, turn off the current position display OFF words Modbus address setting (Type 2): short press "SET" key, enter the address setting mode -Id, the default is 1, turn the potentiometer to adjust the current address, range is 1-255, after adjustment and then press the "SET" key to save and exit, you can also set the address through the host computer software.

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Features: LC 5A Over-current protection Sensor module uses current transformer to collect the AC signal to achieve the relay over-current signal output within 0-5A. Relay pull while over-current, relay released while not over-current. Users can use the relay COM, NC, NO three ports to control the external circuit on and off, in order to achieve over-current protection. Functions: -Current detection resolution can change the parameter of resistance parameters; -Output over-current switching signal output; -Over-current signal setting critical point adjustable, Specifications: Operating voltage: DC12V Operating current: Operating frequency range: 20Hz ~ 400Hz Output mode: switch signal output Maximum detection wire diameter: 5.2mm Mounting hole: hole diameter is 3mm, hole distance is 52.5mm Operating environment: -40 ￢ﾄﾃ ~ +85 ￢ﾄﾃ The current detection range:AC0.3A-5A Board size: 38 * 44mm The Board Description: VCC: Operating voltage positive; GND:Operating voltage negative; NO: Normally open, the relay pulls before the NO and COM disconnect, short-circuit after the suction; COM: common, relay common interface; NC: Normally closed, the relay before the NC and COM short-circuit, pull off after. Using Instructions: By setting the potentiometer to set the overcurrent protection point, the clockwise adjustment reduces the detection current. As bellows: 1. Measured the wire through the current transformer, connect VCC and GND to DC12V power supply; 2. Adjust the potentiometer, when you hear the sound of the relay pull (can be measured with a multimeter COM and NO whether was turned on, if connected to the relay means activated), then reduce or cut off the current flowing that through the tested wire, if the relay release at this time that over-current protection point has been identified (available to multimeter COM and NC measurement whether is connected, if connected to the relay means been released); 3. When reduce or cut off the current flowing through the wire, the relay is not released, will still need to continue to adjust the potentiometer to find the over-current protection point. Package Included: 3 x 5A 12V Relay Module 3Pcs DC 12V 5A Overcurrent Protection Sensor Module AC Current Detection Relay Module Switch Output 3Pcs DC 12V 5A Overcurrent Protection Sensor Module AC Current Detection Relay Module Switch Output 3Pcs DC 12V 5A Overcurrent Protection Sensor Module AC Current Detection Relay Module Switch Output

Specifications: Input: IN + input positive, IN- input negative Output way: OUT + output positive, OUT- output negative Input voltage: 4-38V Output voltage: 1.25-36V continuously adjustable Output current: adjustable, maximum 5A Output Power: 75W maximum Working temperature: -40 to + 85 ??br />Operating frequency: 180KHz Conversion efficiency: up to 96% Short circuit protection: Yes (limit current 8A) Overtemperature protection: (automatically shut off the output after overtemperature) Input reverse polarity protection: None, (if necessary, please enter the string into the high current diode) Installation: four 3mm screws Module dimensions: 51 x 26 x 15mm (L x W x H) Features: 1. High power, high efficiency, 5A, low ripple; 2. Triple: (1) Use as a normal blood pressure modules with overcurrent protection capability; (2) As the various voltage lithium batteries, batteries, nickel-cadmium nickel-metal hydride batteries (battery) charger for solar panels, wind turbines and other occasions; (3) Used as a high-power LED constant current drive module; 3. With constant pressure and constant current modes, there are light indicates which mode is currently in module; 4. When used as a lithium battery charger, you can set the float voltage and the charge current size, there is light indicates is being charged or has been filled; 5. Has the current limit protection, output short circuit even if it will not burn module. 6. This module uses machine placement, reflow soldering, and each module shipments have been two hours before the aging tests to ensure high reliability. Note: When you use this product, the module inputs and outputs to the ground and do not co-together, this will cause the board power current sense resistor is bypassed, so that the module can not adjust the output current size, the case then load easy to burn power chip module. Package included: 5 x 5A constant current constant voltage LED driver module

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Features: Synchronous rectification scheme, wide voltage input, high current output, high efficiency. With DC plug and terminals, easy to use. With USB port, with fast-charge identification chip compatible with Andrews and iphone mobile phone. Product parameters: Input voltage: DC 9V - 36V The output voltage: 5.2V / 5A / 25W Output capability: 9 ~ 24V Input: Output 5.2V / 6A / 30W 24 ~ 32V Input: Output 5.2V / 5A / 25W 32 ~ 36V Input: Output 5.2V / 3.5A / 18W Size: 63 x 27 x 10mm (L * W * H) Weight: 22g Package included: 5 x LM2596S DC-DC 24V/12V To 5V 5A Step Down Module 5pcs LM2596S DC-DC 24V/12V To 5V 5A Step Down Power Supply Buck Converter Adjustable USB Step-down Charging Module 5pcs LM2596S DC-DC 24V/12V To 5V 5A Step Down Power Supply Buck Converter Adjustable USB Step-down Charging Module 5pcs LM2596S DC-DC 24V/12V To 5V 5A Step Down Power Supply Buck Converter Adjustable USB Step-down Charging Module

Description:   1. Use of professional motor driver chip, built-in low conduction internal resistance MOS switch tube, extremely small heat, no heat sink, small size, power saving, is your battery power ideal choice. 2. Double Road 2.5A*2, is 1.5A motor driven version of the enhancement, built-in overheating protection circuit, do not fear the motor plug burned, the temperature drop automatically restored. (current smart cars on the market, voltage and current are within this range) 3. small size, light weight, 0 standby current INx MCU, IO or other signal source, MOTOR-A and MOTOR-B terminals connected to the motor. DC motor drive logic truth table: Parameter:   1. double H bridge motor drive, can drive two DC motor or 1 4 wire two phase stepper motor; 2. module supply voltage 2V-10V; 3. signal terminal input voltage 1.8-7V; 4. single line operating current 2.5A, low standby current (less than 0.1uA); 5. built-in anti common conduction circuit, when the input is suspended, the motor will not malfunction; 6. built in overheating protection circuit with hysteresis effect (TSD), no need to worry about motor blocking; 7. product size: 31*32*5mm (length, width, height), ultra small volume, suitable for assembly and vehicle; 8. mounting hole diameter: 2 mm.   Attention:   1. the power supply positive and negative connection will certainly cause damage to the circuit. 2. output on the short circuit or output short-circuit, and motor stall conditions, the chip will heat protection, but in the near or above the 10V voltage and peak current greatly exceed the 2.5A case will cause chip burn. Package included: 1 x 2.5A Dual Motor Drive Module

SELECTED OPTION: VOLTAGE: 5V CLICK HERE for more options in this item. Product parameters:   Input voltage: 9V-35V (5V version) 17V-35V (12V version) Output voltage: 5V  12V Output current: 5A (continuous work) Instantaneous maximum 7A or more Product Size: 59.3mmX30.5mmX21.5mm (excluding fixed ear) Modular nature: Non-isolated buck module Rectification: Synchronous rectification Minimum pressure difference: 4V Conversion efficiency: up to 95% Output ripple: 50mV (MAX) Operating temperature: industrial (-20 ℃ to +85 ℃) (if ambient temperature more than 40 degrees, please reduce the power to use, or strengthen the heat) Load regulation: ± 1% Voltage regulation: ± 2% Short circuit protection: sustainable, self-healing. Input reverse polarity protection: Yes, MOS anti-reverse circuit Wiring method: red line input positive / black line common negative / yellow line output positive Package included: 1 x Step Down Buck Module

Highlights: 1. Synchronous rectification scheme, wide voltage, high current, high efficiency 2. With DC plug and terminal, easy to use 3. With USB port, with fast charge recognition chip compatible with android and iphone Parameter: 1: Operating voltage: DC 9V-36V 2: Output voltage: 5.2V / 5A / 25W 3: Output capacity: input 9V~24V: output 5.2V / 6A / 30W input 24V~32V: output 5.2V / 5A / 25W input 32V~36V: output 5.2V / 3.5A / 18W 4: Size: 63*27*10mm (length*width*height) Package included: 3 X Step down module p ower converter

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA 3pcs Mini DC 4.5V To DC 35V 5A 90W DC Motor PWM Speed Controller Module Speed Regulator Adjustable Specifications: Operating voltage: DC4.5V-35V Output current: 0-5A Output power: 90W (max) Quiescent current: 7uA (standby) PWM duty cycle: 1% -100% PWM frequency: 20khz Size: 30mm x 26mm x 14mm Precautions: -DC motor governor input is DC, can not directly connected to the AC (for example: home 220V AC), otherwise it will burn! -DC power supply positive and negative terminals do not reverse, otherwise the governor may be damaged. -The motor can be positive or negative, when the direction of operation and expectations do not match, you can adjust the line order to change the direction. -Adjust the potentiometer knob to change the governor output duty cycle, the motor speed changes. Package Included: 3 x PWM DC Motor Speed Controller 3pcs Mini DC 4.5V To DC 35V 5A 90W DC Motor PWM Speed Controller Module Speed Regulator Adjustable 3pcs Mini DC 4.5V To DC 35V 5A 90W DC Motor PWM Speed Controller Module Speed Regulator Adjustable

Highlights: 1. Synchronous rectification scheme, wide voltage, high current, high efficiency 2. With DC plug and terminal, easy to use 3. With USB port, with fast charge recognition chip compatible with android and iphone Parameter: 1: Operating voltage: DC 9V-36V 2: Output voltage: 5.2V / 5A / 25W 3: Output capacity: input 9V~24V: output 5.2V / 6A / 30W input 24V~32V: output 5.2V / 5A / 25W input 32V~36V: output 5.2V / 3.5A / 18W 4: Size: 63*27*10mm (length*width*height) Package included: 5 X Step down module p ower converter

1.25-32V DC Adjustable Power Step Down Module With DIY Case More information:  http://forum.Racer Gadgets.com/forum-topic-88337.html Description: Onboard voltmeter, ammeter, power meter Onboard USB interface (note: USB output voltage and the module output voltage is consistent, not fixed 5V output, To make sure the front USB device charging transferred to 5V, or else it may damage your equipment) High power, high efficiency, 5A, low ripple Use as a normal blood pressure modules with overcurrent protection capability As various voltage lithium batteries, batteries, nickel-cadmium nickel-metal hydride batteries (battery) charger for solar panels, wind turbines and other occasions Use a high-power LED constant current drive module With a constant voltage and constant current modes, the module has a light indicates which mode is currently in When used as a lithium battery charger, you can set the float voltage and charge current, there is light indicates that it is charging or is already full Having a limiting protection Feature:   Input voltage: 5-36V Output voltage: 1.25-32V continuously adjustable (can only be done step-down module, input must be greater than the output 2V above) Output current: adjustable, 5A (recommended for use within 4.5A, constant need to adjust the output voltage of 2V or older to current regulation, only in the constant state will work, and if used the red phone, not how much current regulation, the red phone number, and constant low resistance mainly to charge the battery directly or limiting the use of current limiting LED work, but also hope that buyers know.) Output Power: Max 75W (recommended for use within 50W, big differential pressure to reduce power use, please) Working temperature: -40 to + 85 degrees Operating frequency: 180KHz Conversion efficiency: up to 96% Overtemperature protection: (automatically shut off the output after overtemperature) Input reverse polarity protection: None, (if necessary, please enter the string into the high-current diode) Connection: terminals or solder terminals, V-IN is the input, V-OUT output Module size: 68.2mm x 38.8mm x 15mm Package included: 1 x 1.25-32V DC Adjustable Power Step Down Module 1 x DIY Case  (The Case is For DIY, Delivery of spare parts)

Specification: Module properties: non-isolated step-down module (BUCK) Rectification: non-synchronous rectifier Input voltage: DC 4V ~ 38V Output voltage: DC 1.25V ~ 32V (adjustable) Output current: 0A ~ 5A Output power: 75W (more than 50W please add heat sink) Operating Frequency: 180KHz Operating Temperature: -40°C ~ +85°C Load regulation: S(I)≤0.8% Voltage regulation: S(u)≤0.8% Package included: 3 x 5A DC-DC adjustable step down module  

Features: LC 5A Over-current protection Sensor module uses current transformer to collect the AC signal to achieve the relay over-current signal output within 0-5A. Relay pull while over-current, relay released while not over-current. Users can use the relay COM, NC, NO three ports to control the external circuit on and off, in order to achieve over-current protection. Functions: -Current detection resolution can change the parameter of resistance parameters; -Output over-current switching signal output; -Over-current signal setting critical point adjustable, Specifications: Operating voltage: DC12V Operating current: Operating frequency range: 20Hz ~ 400Hz Output mode: switch signal output Maximum detection wire diameter: 5.2mm Mounting hole: hole diameter is 3mm, hole distance is 52.5mm Operating environment: -40 ??~ +85 ??/span> The current detection range:AC0.3A-5A Board size: 38 * 44mm The Board Description: VCC: Operating voltage positive; GND:Operating voltage negative; NO: Normally open, the relay pulls before the NO and COM disconnect, short-circuit after the suction; COM: common, relay common interface; NC: Normally closed, the relay before the NC and COM short-circuit, pull off after. Using Instructions: By setting the potentiometer to set the overcurrent protection point, the clockwise adjustment reduces the detection current. As bellows: 1. Measured the wire through the current transformer, connect VCC and GND to DC12V power supply; 2. Adjust the potentiometer, when you hear the sound of the relay pull (can be measured with a multimeter COM and NO whether was turned on, if connected to the relay means activated), then reduce or cut off the current flowing that through the tested wire, if the relay release at this time that over-current protection point has been identified (available to multimeter COM and NC measurement whether is connected, if connected to the relay means been released); 3. When reduce or cut off the current flowing through the wire, the relay is not released, will still need to continue to adjust the potentiometer to find the over-current protection point. Package Included: 3 x 5A 12V Relay Module

3pcs LM317 DC-DC 1.5A 1.2-37V Adjustable Power Supply Board DC Converter Buck Step Down Module Specifications:Output Current: 1.5A (minimum), 2.2A (typical value)Input-output voltage difference (VI-VO): 40Vdc (max)Adjustable output voltage range: 1.2 - 37VWorking temperature: -55 ﾰ C to 150 ﾰ CCurrent output: 1.5AVoltage Input: 4.2 - 40 VOperating temperature: 0 ﾰ C - 125 ﾰ CCharacteristic frequency: 100 (MHz)Module size: 35.6 (mm) x 16.8 (mm)Output mode: VOUT output positive, GND output negativePackage included:3 x LM317 DC-DC 1.5A 1.2-37V adjustable power board

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Buy 3pcs DC-DC Buck Power Step Down Module 24V/12V to 5V 5A Power Supply Module Converter for R415.00

Feature:   Input voltage: AC 85-264V or DC 110-370V Frequency range: 47-63Hz Input current: 0.5/115VAV, 0.25/230VAC Inrush current: 10A/230VAC(Cold start) Conversion efficiency: 78% Standby power consumption: ≤100mW/220VAC Output voltage: 12V (±1%) Rated current: 0.5A Rated power: 6W Ripple: ≤100mV Switching frequency: 20-65KHz Operating temperature: -30-70℃ Working humidity: 20-90%, Non-condensing   Package included:   1 x AC-DC 220V To 12V 0.5A Power Supply Module

Description: 1. Input voltage: 100-240V 2. Output voltage: 12V 3. Output current: 2.5A 4. Output power: 30W 5. Operating temperature: -30 - +85??br />6. Size: 7.7 x 3.8 x 2.3cm Features: 1. Over-voltage protection 2. Over-current protection 3. Short circuit protection Package included: 10 x AC-DC 12V 2.5A 30W switching power module