AC Current Transducers | NK Technologies

High Performance Current Sensing for Automation Applications

1-800-959-4014 | sales@nktechnologies.com

Our Wide Range of AC Current Transducers Guarantees You’ll Find Exactly What You Need.

To assist in guiding you to the right series for your application please begin your selection here!

Download our Product Catalog

Download our Automation Application Guide

Technical Guide to Motor & Pump Monitoring

NEW! Technical Guide to Ground Faults

Average Responding Signal to PLC, DCS or Panel Meter

MORE INFO	INPUT RANGE	OUTPUT SIGNAL	POWER SUPPLY	SENSING APERTURE
AT SERIES	0–200 A, Field Selectable	0–5 VDC, 0–10 VDC, or 4–20 mA (depending on model)	Self Powered or 24 VDC Loop Powered (depending on model)	0.55″ dia., 0.74″ dia., 0.85″ dia. (depending on model)
ATS SERIES – DIGITAL SETPOINT	Switch Adjustment Analog 0–50 A, or 0–200 A (depending on model)	4–20 mA, 0–5 VDC or 0–10 VDC Switch, Adj. ATS1: 1–50 A, ATS2: 4–200 A	18–30 VAC/DC	0.74″ dia.
ATS SERIES – SWITCH SETPOINT	Switch Selectable 0–1200 A	4 - 20 mA SPDT Relay, Adj. 10–1200 A	120 VAC or 24 VDC	1.875″ dia.
ATP SERIES	0–200 A, Jumper Selectable	0–5 VDC, 0–10 VDC or 4–20 mA (depending on model)	24 VAC, 120 VAC, 24 VDC or 120 VDC (depending on model)	0.55″ dia. or 0.85″ sq. (depending on model)

Average or RMS Responding Signal to PLC, DCS or Panel Meter

MORE INFO	INPUT RANGE	OUTPUT SIGNAL	POWER SUPPLY	SENSING APERTURE
ATR SERIES	2 A or 5 A; 10 A, 20 A or 50 A; 100 A, 150 A or 200 A (depending on model)	4–20 mA, Loop-Powered, True RMS	24 VDC Nominal, 12–40 VDC Max.	0.74″ dia. or 0.85″ dia. (depending on model)
ATPR “E-OUT” SERIES	2 A or 5 A, 10 A, 20 A, 50 A, 100 A, 150 A, 200 A (depending on model)	0–5 VDC or 0–10 VDC True RMS (dependent on model)	24 VDC	0.85 ” Sq.
AT/ATR-TH SERIES	0 - 10/15/30, 0-30/50/100, 0 - 100/150/200	4 - 20 mA, 0 - 5 or 0 - 10 VDC	24 VAC/DC, 120 VAC	0.74” dia. (each)
AT/ATR-FD SERIES	0–200 A, 0–300 A or 0–400 A	4–20 mA	24 VDC Loop Powered	1.31″
AT/ATR-MS SERIES	0–200 A, 0–400 A, 0–600 A or 0–800 A	4–20 mA	24 VDC Loop Powered	1.19″ x 2.22″ dia.
AT/ATR-LS SERIES	0–800 A, 0–1000 A, 0–1200 A or 0–1600 A (depending on model)	4–20 mA	24 VDC Loop Powered	2.30″ x 3.42 ” dia.
AT/ATR-FL SERIES	100–200 A, 375–750 A or 1000–2000 A (depending on model)	4–20 mA	24 VDC Loop Powered	3.0″ dia.
ATP/ATPR-FL SERIES	375 A, 500 A, 750 A or 1000 A, 1333 A, 2000 A (depending on model)	0–5 VDC, 0–10 VDC or 4–20 mA (depending on model)	24 VAC, 120 VAC, 24 VDC or 120 VDC (depending on model)	3.0″ dia.
ATCR SERIES	500 A, 1000 A, 1500 A, 2000 A	4–20 mA, Loop-Powered, True RMS	24 VDC, 36 VDC Max.	0–500 A 12″ Long or 0–2000 A 17.25″ Long

PROPORTIONAL SIGNAL FOR ZERO CROSSING HEATER LOADS

MORE INFO	SETPOINT RANGE	OUTPUT SIGNAL	POWER SUPPLY	SENSING APERTURE
ATH SERIES	2 A & 5 A, 10 A, 20 A & 50 A, 100 A, 150 A & 200 A (depending on model)	0–5 VDC, 0–10 VDC or 4–20 mA (depending on model)	120 VAC	0.74″ dia. or 0.85″ sq. (depending on model)

TRUE RMS SIGNAL TO DIGITAL PLC

MORE INFO	SETPOINT RANGE	OUTPUT SIGNAL	POWER SUPPLY	SENSING APERTURE
ATQ SERIES	10–400 Hz	5 K Hz or 10 K Hz (depending on model)	24 VAC or 24 VDC	0.85 ” Sq.

AC CURRENT TRANSDUCER SELECTION BY SERIES