NK Technologies Current Sensing Products
We are an NK Technologies stocking distributor with current switches & transducers / transmitters IN STOCK!

NK Technologies current switches, current transducers, current transmitters, current transformers, ground fault detectors, voltage transducers, voltage transmitters, power montors & transducers and signal converters.

Make Mod-Tronic your sole source for reliable NK Technologies current sensing products. For 30+ years NK Technologies has been manufacturing a broad portfolio of over 1300 models of current switches, current transducers / transmitters, current transformers, ground fault detectors, voltage transducers, power montors & transducers and signal converters. NK has the innovative product to meet your industrial and automation needs. No current sensing manufacturer offers more styles and variations. We stock NK Technologies current sensing products for quick shipment to North America and around the world.

View our NK stock list here (coming soon!)

Current Sensing Product Categories


AC or DC Current Sensing Switches

AC Input Current Switches

DC Input Current Switches
Ideal for on/off status, overload or underload detection. NK current switches combine a CT, signal conditioner and output contacts into a single package.


AC or DC Current Transducers / Transmitters / Indicators

AC Input Current Transducers
& Transmitters

DC Input Current Transducers
& Transmitters
Analogue ouput (4-20mA, 0-5VDC, 0-10VDC) Transducers with average responding or True RMS outputs. Solid and split-core designs in self-powered or external powered versions.


Ground Fault (Earth Leakage) Detectors

Ground Fault (Earth Leakage) Detectors
Detects ground fault conditions and protects sensitive equipment and personnel from harm. Factory-set or field-adjustable trip point. N.O. or N.C. auto-rest or latching relays. 24/120/240 V power options..


AC or DC Voltage Transducers / Transmitters

AC or DC Voltage Transducers / Transmitters
Monitor under or over voltage conditons. 15V to 600V input ranges with 4-20mA output. 2500V input/output isolation. Compact DIN rail mount case.


Power Monitors & Transducers / Transmitters

Power Monitors & Transducers / Transmitters
Power monitors measure loads and improve performance by providing True Power in kW or accumulated kWh data. Accepts standard 5A or 0-333 mV inputs. 4-20 mA, 0-10 VDC and/or network outputs.


Signal Converters

Signal Converters
The ADC Series converts up to eight 4-20 mA sensor outputs to RS-485 Modbus RTU. The CTC Series converts CT signals (5A or 0-333 mV) to 4-20 mA outputs.


AC Current Transformers

AC Current Transformers
Input currents from 50A to 3000A. 0-5A or 0-333 mV outputs. Soild-core or split-core designs.

8 AMPFlasher for AC Current AMPFlasher AC Current Indicator
Monitor AC current between 0.5A - 100A. A compact, inexpensive current indicator with a flashing LED when current is flowing.

9 Current Sensing Accessories
PowerBASE relays provide a convenient 10A relay for AS and AT series switches and transducers. DIN Rail kits for easy mouning of switches and transducers. Wireless Data transmitter/receiver.