Catalog, Application & Product Guide | Data Sheets | Instruction Sheets | Application Notes | Terms and Conditions | Press Releases

Catalog		Application Guide		Product Guide

Data Sheets
AC and DC Current Switches and ACI Current Indicator Data Sheets
AS1 Series, single-range AC current switch	ASX Series, AC current switches with time delay
AS1 DODC Series, current switch with dual output	ASXP Series, powered AC current switches with time delay
AS1 Series, single-range AC current switch with bypass	AS0 Series, low range AC current operated switches
AS1 NOR-FT-GO Series, current switch with electromechanical relay contact	DS3 Series, DC current operated switches
AS3 Series, multi-range AC current operated switches	AMPFlasherTM ACI Series AC Current Indicator
ASM Series, self-calibrating AC current switches	ATCR Series, Flexible Loop AC Current Transducer

AC and DC Current Transducer Data Sheets
AT Series, AC current transducers, average responding	ATP Series, powered AC current transducers
ATR Series, AC current transducers, true RMS	ATP/ATPR 3 & 4 Series, powered AC current transducers, true RMS
AT/ATR 2, 3 & 4 Series, high current AC transducers	DT Series, DC current tranducers
DLT Series, low range DC current transducers, true RMS	DT Series, Large Aperature
	ATQ Series Frequency Output Current Transducer

Ground Fault (Earth Leakage) Sensor Data Sheets
AG Series, ground fault sensors	AGL Series, large aperture ground fault sensors
AGT Series, 4-20mA ground fault sensors

Power Monitoring Sensor Data Sheets
APO/APN Series, 3-phase power monitors	APT Series, analog output power transducers
APS Series, single-phase AC power sensors	APMR Series, power operated relay with analog signal

Voltage Transducer Data Sheet
VTR Series, true RMS voltage transducer VTU Series, High Voltage Voltage Transducer AC/DC

Current Transformer Data Sheet
ProtectCT Series, milli-volt output	5 Amp Secondary

Accessories Data Sheets
PBR Series, PowerBASE relay	DIN-Rail Kits

Instruction Sheets
Current Transducer Instruction Sheets	Description
AT/ATR 0,1 & 2 Series – AC Sensing	Average responding & True RMS 200 amps max., loop powered
ATP 0, 1 & 2 – AC Sensing	Average Responding, 200 amps max. aux. powered
AT/ATR 3 & 4 Series – AC Sensing	High Current (750 or 2000 amps max.) loop powered
ATP/ATPR 3 & 4 Series – AC Sensing	High Current (750 or 2000 amps max.), aux powered
DT Solid Core – DC Sensing	DC sensing to 200 amps, Hall effect technology
DT Split Core – DC Sensing	DC sensing to 400 amps, Hall effect technology

Current Switch Instruction Sheets	Description
AS1 Series – AC Sensing	N.O. & N.C, PLC input, 150 amps maximum
AS3 Series – AC Sensing	NO, NC or combination
ASM Series – AC Sensing	Self-calibrating
ASX Series – AC Sensing	High accuracy, time delay
ASXP Series – AC Sensing	Powered switch, relay output
AS0 Series – AC Sensing	N.O. & N.C., 3-350 mA adjustable trip point
DS3 Series – DC Sensing	Hall effect technology, solid state or relay output
AS1 DODC Series – AC Sensing	Dual DC Contacts

Ground Fault Sensor Instruction Sheets	Description
AG Series	UL 1053 Latching
AG Series	Solid-State Output w/Auto Reset
AG Series	Relay Output – Auto Reset
AGL Series- 5-950mA	Large 1.875″ Aperture Latching
AGL Series	Large 1.875″ Aperture Auto-Reset

Power Transducer Instruction Sheets	Description
APS Series	4-20 MA proportional to watts
APT Series	4-20 MA proportional to watts
APO Series	4-20 MA 0-5 & 0-10 VDC analog & pulse outputs
APN Series	Modbus RTU 24 data points
APMR Series	4-20 and 2 limit alarm contacts

Voltage Transducer Instruction Sheets	Description
VTD Series	4-20 MA proportional to AC voltage
VTR Series	4-20 MA proportional to AC voltage

Application Notes

DC Sensors in Bi-directional Application Ground Fault Sensors Can Prevent Costly Shutdowns Compact and Reliable AC Current Detection – Solid State Contact Monitoring DC Current Electrical Heating System Protection From Faults to Ground Ground Fault Sensors Can Prevent Costly Shutdowns Electrical Heating System Protection From Faults to Ground DC Current Transducers Provide Low-Cost Alternative for Monitoring Photovoltaic Panels

Pump Monitoring and Protection  Sensing AC Current Using Flexible Loop Transducers Power Monitoring for Process Control Power Monitoring for Energy Usage — A Cost-effective Way to Monitor “True” Active Power Detect Current Leakage for Preventive Maintenance with 4-20mA Current Transducers ASXP for Motor Maintenance…The Most Versatile Current Relay Available AMPFlasherTM ACI Current Indicator with Remote LED Monitoring AC Current Using Digital Controller Inputs

Terms and Conditions
Terms and Conditions of Sales	RoHS Compliance Certificates

Press Releases

New DS1 Current Sensors from NK Technologies Detect Very Low DC Current Levels in Compact, Simple-to-Use Package Quickly and Easily Convert Any Standard Sensor Output to Modbus Format with New ADC Signal Converters from NK Technologies Simplify Current Load Monitoring and Help Keep Motors Performing Optimally with ASM Smart Switch from NK Technologies Easily Monitor DC Current with New DT Series Current Transducers from NK Technologies Maximize Motor and Drive Operating Life Prevent System Failures with new VTD High Performance Voltage Transducer from NK Technologies Easily Monitor Current Usage of Loads up to 2000 Amps with ATCR Current Transducers from NK Technologies VTR Series Voltage Transducers ACI Series AmpFlasherTMCurrent Indicators DC Transducers for Bi-directional Monitoring DLT Series for Monitoring Photovoltaic Panels

Significantly Simplify Current Monitoring and Help Minimize Downtime with ASL Switches from NK Technologies Benefit from Cost-Effective Motor Monitoring and Over-Load Protection with ASXP Current Sensing Switch from NK Technologies Easily Monitor High AC Current Loads with the ATS Current Transducer/Switch from NK Technologies Seamlessly Convert a CT Signal to a Standard 4-20mA Output with NewCTC Signal Converters from NK Technologies Easily Monitor Energized Circuits in Tight Spaces with new AS1 Compact Case Current Sensing Switch from NK Technologies AG/AGL Series Ground Fault Sensors APS Series Current Monitoring for Process Control APT Series Power Monitoring for Energy Usage ASXP Series – The Most Versatile Current Relays Available