RPICT4W3T1 - Raspberrypi AC current and voltage hat

Rating: Choose the maximum rms current in Ampere the board can support with the associated CT. For any custom setup please opt for "other".

Sensors and Raspberrypi are not included.

Rating (A)
3Phase Voltage Method
In Stock





Raspberrypi AC current and voltage hat

Online Documentation

  • 4x AC Current Ports.
  • 3x AC Voltage Ports.
  • 1 Temperature Port
  • Provides Irms, Vrms, RealP, ApparentP, ReactiveP, PFactor, Frequency, EstimatedP.
  • View/record data using Linux / Python / Emoncms / Grafana / MQTT and more.
  • Configurable from serial port.
  • Power combinations configurable (Current-Voltage pairing).
  • Open Source Arduino Firmware.
  • Stackable with RPICT8 Slave.

Package Content

  • 1 RPICT4W3T1 Unit.
  • 4 Mounting Stand off with screws.
The listing does not include sensors and Raspberrypi.

Recommended Sensors


(for any other CT sensor please contact us to have adapted resistor mounted and calibration coefficients calculated)


  • DS18B20

Technical Specifications

Microcontroler Atmel Atmega328p
MCU Frequency 16Mhz
Operating Voltage 5V
Waveform Sampling 4400sps
Fastest Data Polling 800ms (for 4 channels)
Vertical Resolution 12 bits (4096 steps)
Communication UART Serial Port
Firmware Arduino (open source)
Dimensions 100x65mm
Programming port 6 pin ISP
Compatible OS Any supporting GPIO serial port access
Compatible Raspberrypi All of Family 1,2,3,4 and Model A, B
Compatible CT Current output type
AC Current Range Options from 20A to 600A
AC Voltage Range Options from 140V to 430V
Smallest Readable Current Approx 50mA to 150mA

Scope of Use

This development board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by LeChacal.com to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards. This
evaluation board/kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility, restricted substances (RoHS), recycling (WEEE), FCC, CE or UL, and therefore may not meet the technical requirements of these directives or other related directives.


7 Items
No reviews

You might also like

Customers who bought this product also bought:

Product added to wishlist
Product added to compare.

Our webstore uses cookies to offer a better user experience and we recommend you to accept their use to fully enjoy your navigation.