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1-phase AC Current Transducer, 0-1A/5A/10A/20A

5 out of 5 based on 2 reviews | Write a review

$175.54

Low cost 1-phase AC current transducer for sale, suitable for 0-1A/0-5A/0-10A/0-20A AC current input, response time ≤400ms, 35mm standard rail, base screw installation. Single-phase AC current transducer can be used for motor overload protection and AC current detection of ordinary single-phase circuit.

Accuracy *
Input Current *
Output Channel *
Output Signal *
Transducer Power *

SKU: ATO-CUS-AC1

Qty:

Overview

The 1-phase AC current transducer can be used in an environment of 0~50℃ and relative humidity less than 80%, and the compressive strength can reach AC2kvrms/min. The accuracy of the single-phase AC current transducer is 0.2/0.5, and the input/output/power supply/shell are all isolated. The housing is made of ABS fireproof material, which is sturdy and durable.

Specification

Model	ATO-PT-HDB-A1
AC Current Input	0-1A, 0-5A, 0-10A, 0-20A, customization (optional)
Input Load	CT of current transformer: ≤0.2VA
Allow Overload	Current×2 times the nominal value lasts Current×10 times the nominal value 10s
Accuracy	Average measurement, 0.5 True RMS measurement, 0.5 Average measurement, 0.2 True RMS measurement, 0.2 (optional)
Response Time	≤400ms
Output Channel	1 channel, 2 channels, 3 channels (optional)
Output Voltage	0-10V, 0-5V, 1-5V (load resistance = input voltage/10mAdc)
Output Current	0-1mA, 0-10mA, 0-20mA, 4-20mA (Load resistance=10VDC/output current)
Other Output	RS485, customization
Output Ripple	≤0.5% RO Peak-to-peak value
Work Environment Temperature and Humidity	0~50℃/less than 80% relative humidity (non-condensing state)
Storage Conditions Temperature and Humidity	-20~70℃/less than 70% relative humidity (non-condensing state)
Aux. power Supply	DC12V, DC24V, AC220V, DC220V, AC110V, DC110V, 2-wire circuit power supply (optional)
Isolation	Input/output/power supply/shell
Power Consumption	DC about 3W, AC about 4VA
Material of Shell	ABS fireproof material
Weight	About 300 grams
Compressive Strength	AC2kVrms/min
Insulation Resistance	>100MΩ at DC500V
Dimension	55 (W)×75 (H)×120 (L) mm
Installation Method	35mm standard rail, base screw installation

Dimension (Unit: mm)

Dimensions of 1 phase AC current power transducer

Calibration Fine Tuning

calibration fine tuning of 1 phase ac current power transducer dimension

PWR: Power indicator
SPAN: Calibration full scale potentiometer
ZERO: Zero potentiometer

Wiring

wiring of 1 phase ac current power transducer

Tips: Installation notes

The input current of the single-phase AC current power transducer is within the specification range.
Pay attention to whether the working power supply is correct and connected to the correct terminal. Be sure to wire according to the transmitter wiring diagram.
The transmitter input is connected to the secondary output of CT.

Existing reviews of 1-phase AC Current Transducer, 0-1A/5A/10A/20A

Great AC current transducer

Great compact current transducer with standard 35mm rail mounting. Super easy to install and fits neatly inside my control cabinet. Fully isolated input, output and power sides effectively prevent signal interference.

From: Sam | Date: 22/07/2026

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Reliable and durable

I am currently using this current transducer, and it has proven to be highly reliable. Installation is simple and straightforward, and the measurement data is stable and accurate. It operates without generating heat, and the housing is sturdy and durable, giving me confidence in its long-term use.

From: Mark | Date: 15/09/2025

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1-phase AC Current Transducer, 0-1A/5A/10A/20A

Specification

Dimension (Unit: mm)

Calibration Fine Tuning

Wiring

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