Voltage and Current Sensors

Voltage and Current Sensors

Low voltage disconnect relay module, 12V, adjustable
In Stoc
Protects 12V batteries by automatically disconnecting the consumer when the voltage drops below the set threshold, preventing deep discharge, restarts itself when the voltage returns to a safe level, finely adjustable threshold from the multi-turn potentiometer, low standby consumption below 10mA, clear status indication via LEDs, relay for DC loads up to 10A resistive, recommended 5A.
9.90 RON
Hall sensor module WCS1600, AC-DC, 100A
In Stoc
Module for non-invasive measurement of AC or DC current, ideal for monitoring consumption without interrupting the circuit. Offers analog output proportional to current and digital output with adjustable threshold for simple triggering, operates at 5V and supports up to ±100A DC or 70A AC. The conductor passes through a 9 mm hole for quick mounting.
76.12 RON
Motor Overload Protection Module, 6-28V, 5A, PWM DC
In Stoc
It protects DC motors and circuits powered by 6-28V against overcurrent, short circuit and motor stall, also compatible with PWM control. It allows adjustment of the current threshold and trip delay, operates in automatic mode with timed reset or manually via jumper, and the power and alarm LEDs provide quick diagnosis.
60.88 RON
Out-of-Stock
DC Voltage Monitoring Module 0-99.9V, 12V, Charge-Discharge Protection Relay
Out-of-Stock
Digital module for monitoring DC voltage 0-99.9V and automatic control of a 10A relay, ideal for protecting batteries and sources in charging or discharging applications. Allows setting of minimum and maximum thresholds in 0.1V steps, displays voltage on LED display, includes 7 working modes for flexible control and calibration from buttons.
34.27 RON
Bidirectional voltage current monitor sensor INA219
In Stoc
Compact module for precise measurement of voltage, current and power in DC circuits, ideal for battery management, power supplies and industrial projects. Offers bidirectional current measurement, I2C communication for quick integration with Arduino, ESP32 or Raspberry Pi, integrated 0.1 ohm shunt resistor and calibrated values with typical error up to 1% for stable monitoring.
11.59 RON
Voltage and Current Sensor Module, INA260, 36V, 15A
Last items in stock
The INA260 module allows you to precisely monitor voltage, current and power in Arduino and other board projects, ideal for batteries, power supplies and motor control. It measures up to 36V and 15A, offers fine resolution of 1.5mA and accuracy of approximately ±1%, communicating simply via I2C at 3.3-5V.
122.26 RON
Hall Current Sensor Module, WCS1800, AC-DC, 35A, 5V
In Stoc
Hall current sensor for Arduino and 5V systems, measures without breaking the circuit by passing the conductor through the hole. Offers proportional analog output AOUT for bidirectional DC monitoring up to +/-35A and AC up to 25A, plus digital output DOUT with adjustable threshold from potentiometer for overcurrent alarm, with LED indicator.
56.16 RON
AC current sensor module, 5A, ZMCT103C
In Stoc
Ideal for monitoring consumption in DIY and automation projects, this module measures alternating current up to 5A and provides an easy-to-read analog signal with Arduino or other development boards. It integrates quickly into measurement circuits, has compact dimensions for easy mounting, operates stably in industrial and electronic applications, being suitable for load detection and energy control.
8.88 RON
DC Voltage Sensor 0-25V, 3.3-5V
In Stoc
Module for measuring DC voltage between 0 and 25V, ideal for projects with Arduino and other development boards. It operates on 3.3-5V power supply, offers good resolution of 0.00489V for stable readings, simply connects via the S pin to the analog input, has compact dimensions of 25 x 13 mm and can display live voltage together with an I2C LCD.
3.76 RON
New
AC energy measurement module, PZEM-004T-100A, v3.0, 100A, TTL, 80–260V
In Stoc
The module for monitoring consumption on single-phase AC networks, ideal for automation and IoT projects, measures voltage 80-260VAC, current 0-100A with an external transformer, power, frequency, power factor, and energy up to 9999.99kWh, communicates Modbus-RTU via UART TTL 9600, and provides optocoupled isolation for safe integration with Arduino, ESP32, or PC.
84.91 RON
Current to voltage converter module, 0-20mA to 0-10V
In Stoc
Converts 0-20mA or 4-20mA current signal into selectable 0-3.3V, 0-5V or 0-10V voltage, ideal for industrial sensors and integration with Arduino or STM. Offers stable transmission over long distances, high-precision sampling resistor with low drift, fine calibration via ZERO and SPAN potentiometers, wide 7-36V power supply and reverse polarity protection.
12.75 RON
DC current detection relay module, with display, 12V, 0-10A
In Stoc
Monitors DC current and automatically controls a load, ideal for protection, automation and consumption control. Measures 0-10A with 0.01A resolution, display with shutdown for low consumption, calibration for error correction, integrated relay for switching up to 5A on 12V line powered directly from the module.
45.21 RON
ADC current acquisition module, N46IB02, 4-20mA, RS485
In Stoc
2-channel 4-20mA current acquisition module, ideal for sensor monitoring and integration into industrial automation. Communicates via RS485 Modbus RTU with functions 03 and 06, allows the connection of up to 247 devices on the same network. Provides accurate 1% measurement with 0.1mA resolution and operates at 8-25V for flexible integration.
42.28 RON
Out-of-Stock
Current sensor, analog acquisition, 2 channels, 0-20mA, 4-20mA, 8-25V, RS485
Out-of-Stock
2-channel analog acquisition module for measuring 0-20mA and 4-20mA current signals, ideal for automation and instrumentation. Communicates via RS485 with Modbus RTU support for quick integration into PLC or SCADA. Operates at 8-25V DC, offers good resolution and typical 1% accuracy, in a compact, easy-to-mount format.
49.30 RON
Out-of-Stock
Current and power monitor sensor, INA226, I2C, IIC, Bidirectional, 16Bit, 2.7-5.5V
Out-of-Stock
Module for precise current and power monitoring in Arduino projects and other boards, measures bidirectionally on high-side or low-side, reads current, voltage and power via I2C/SMBus, supports 0-36V bus voltage independent of 2.7-5.5V supply, 16 bit resolution with calibration, averaging and programmable alert, up to 16 I2C addresses.
15.58 RON
Voltage and current monitor sensor, 3 channels, INA3221, I2C, SMBUS, 2.7-5.5V
In Stoc
3-channel module for precise voltage and current monitoring in electronic systems, ideal for Arduino and other 3V or 5V boards. Communicates via I2C SMBUS, operates at 2.7-5.5V with low consumption, measures supply voltage and shunt drop for current estimation, includes selectable I2C addresses and programmable alerts for overshoots.
15.25 RON
Overcurrent protection module, 5A, adjustable, with relay, 12VDC
In Stoc
Provides overcurrent protection for AC circuits by automatic disconnection, with adjustable threshold up to 5A, simple 12VDC power supply and low consumption. Integrates 220VAC 10A relay to stop the line when the set current is exceeded, detection by built-in coil and quick connection by screw terminals, compact format for panels and industrial projects.
18.05 RON
Power sensor, bidirectional, serial communication, ADC, CS5460A
In Stoc
Bidirectional power measurement module with Delta Sigma ADC, ideal for AC energy monitoring, calculates active and instantaneous power, IRMS and VRMS, offers high accuracy of +/-0.1%, operates at 3-5V and communicates serially over 3 wires with Arduino and other boards. Supports auto-boot with external EEPROM for autonomous operation at startup.
53.72 RON
Current sensor, Hall, ACS758, linear, 3-5V
In Stoc
Linear Hall current sensor module for precise measurement of DC current up to 50A, ideal for power supplies, inverters, motors and power monitoring. Operates at 3-5V, provides analog output proportional to current with Vout at rest VCC/2, sensitivity 40 mV/A and accuracy ±1.5%, with integrated filtering and amplification, compatible with Arduino and other boards.
39.48 RON
AC voltage sensor module with transformer, ZMPT101B 2MA, adjustable amplitude
In Stoc
AC voltage sensor for monitoring a phase in Arduino projects and 5V boards, uses ZMPT101B transformer and precision amplifier to deliver on the ADC pin a 0-5V analog signal corresponding to 0-250VAC measurement. Includes potentiometer for quick calibration, provides galvanic isolation and operates on 5-30V supply.
13.50 RON
XH-M609 module, low voltage disconnect, 7-50V
In Stoc
The XH-M609 module ensures automatic disconnection of the consumer at low voltage, protecting the battery against excessive discharge, operates between 7 and 50VDC, the disconnection and reconnection thresholds are easily programmable in 0.1V steps, the display indicates the voltage in real time, the 20A relay switches the load and the LED confirms the operating status.
13.25 RON
Low voltage control module, panel, battery discharge protection, 12-48V, 20A
In Stoc
Battery protection panel module, automatically disconnects power when voltage drops below the set threshold and reconnects the consumer at the chosen restart voltage. Compatible with 12-48V, controls loads up to 20A, digital display for monitoring and settings, LED for indicating low voltage status, simple two-button adjustment.
68.18 RON
Current to voltage converter module, 0-20mA to 0-5V, LM358
In Stoc
Converts 0-20mA current signal into a proportional voltage 0-5V, ideal for interfacing industrial sensors with ADC inputs or microcontrollers. Uses LM358 for stable conversion, operates at 10-30V, includes potentiometer for precise output calibration, operates between -25 and 85C.
13.15 RON
Current and voltage sensor MAX471, GY-471 3A, 3-25V
In Stoc
Compact module for monitoring consumption, measures current up to 3A and voltage up to 25V, compatible with Arduino and other 3.3-5V. Provides analog output for current and voltage through a 1 to 5 divider, allows detection of current direction during charging or discharging, ideal for testing power supplies, batteries and embedded projects.
20.91 RON
Current sensor ACS712 30A
In Stoc
Module for measuring AC or DC current and transmitting the value to Arduino or other development boards, ideal for monitoring consumption and protection in electronic projects. It operates at 5VDC, has a power LED, measures up to 30A and has a compact 31 x 13 mm format for easy integration.
9.98 RON
ACS712 20A current sensor
In Stoc
The AC and DC current measurement module, ideal for Arduino and other development board projects, quickly transmits the amperage value to the controller for monitoring and control. It operates at 5VDC, has a power LED for easy verification, supports measurement up to 20A and has a compact 31 x 13 mm format for easy integration into assemblies.
7.71 RON
Current sensor ACS712 5A
In Stoc
Module for measuring AC or DC current up to 5A and sending values to Arduino or other development boards, 5VDC power supply with presence LED, ideal for monitoring consumption and protection in electronic projects, compact format 31 x 13 mm for easy integration into assemblies.
7.72 RON
Power module for APM, with BEC 5.3V, XT60, 30V, 90A
In Stoc
Provides stable and clean power for APM and Pixhawk directly from LiPo, while providing real-time voltage and current measurement via 6-pin Molex cable connected to PM port. Includes 5.3V up to 3A BEC for controller and accessories, XT60 connector, support up to 30V and 90A current sensor, compact and lightweight for quick installation.
43.31 RON
Lithium charge protection module, 6-60V, 30A, Display, serial communication, XY-L30A
In Stoc
Module for protection and automatic control of 6-60V battery charging, controls the charger via 30A relay with optocoupler and stops or starts charging at manually set HIGH and LOW thresholds. Displays voltage, time and battery percentage on the display, allows limiting the maximum charging time for safety, offers UART 9600 serial communication for monitoring and integration.
34.69 RON
Battery charge-discharge control module, 6-60V, 30A, CD63L30A
In Stoc
Control module for charging and discharging protection of 6-60V batteries, automatically controls a 30A relay to maintain the voltage between the set thresholds, works with both charger and consumer, has a timer for maximum charging limit, display with voltage, time and battery percentage, direct output without voltage conversion.
89.58 RON