Pololu ACS711 current sensor -25A to + 25A

Index: PLL-00511

Current sensor operating in the +/-25 A range based on the Hall effect. The output is analogue voltage. Supply voltage from 3.0V to 5.5V. The product has been replaced by a new ACS711EX -31 A to +31 A current sensor.

Pololu ACS711 current sensor -25A to + 25A
€4.80 tax excl.
Discontinued product
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Manufacturer: Pololu


The product has been replaced by a newACS711EX -31 A to +31 A currentsensor.

Płytka czujnika ACS711Specification

  • Supply voltages of the logical part: 3.0 V or 5.5 V
  • The current consumption of the logical part: 6mA
  • Affection:
    • for 3.3 V supply: 55 mV/A
    • for 5 V supply: 83 mV/A
  • Module weight 1.3 g
  • Dimensions: 18 x 20.5 mm

We also offer a separate chip: ACS711KLCTR.

Main features of the module:

  • The chip is designed for bi-directional current (from -25 A to 2 5A)
  • Thanks to the system's low resistance (1.2m ohms) and the power supply, power losses are very low.
  • Thanks to the Hall effect, current paths are isolated from the logical part.
  • The band is 100 kHz.
  • Precision of 5% at room temperature.
  • FAULT output switches to a low state when current exceeds the permissible range +/- 2 5A.

Wyprowadzenia i podłączenie czujnika prądu ACS711Wymiary czujnika pradu ACS711

The sensor requires a supply voltage of 3V - 5.5V per pin Vcc. The sensor's output (pinOUT) is an analog voltage centred on VCC/2. With 3.3V supply, the output voltage changes by 55mV to 1A of measured current. Positive current direction increases the voltage value, negative direction decreases.

The formula for VOUT output voltage changes as follows:

Pin FAULT, normally in the high state, reaches the low state when the measured current exceeds the permissible range of +/-25 A.

Schemat podłączenia czujnika prądu ACS711 firmy Allegro

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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