NK Technologies released a new AGV Series Ground Fault Relay with the ability to detect faults to earth on the load side of a variable frequency drive. This unique capability addresses a challenge caused by the carrier or switching frequency of the drive. Typically, the fault current will be detected at the base frequency, which…
NK Technologies releases new ground fault detection tech guide
NK Technologies (www.nktechnologies.com) has released a new educational resource for engineers. The Ground Fault Considerations Tech Guide covers a wide range of topics and includes an easy-to-use selection guide, as well as a variety of case studies and application examples. Highlights include: • Ground fault detection basics • Ground fault sensing basics • Consolidated ground…
NK Technologies introduces AG-LC Series ground fault sensor
NK Technologies announced the AG-LC Series, a new ground fault sensor that makes it easy to monitor larger circuits. The 2011 NEC requires ground fault protection of the main over-current device feeding marinas and boatyards, where these services often carry up to 800 amps. Most sensor designs do not allow the conductors to pass through […]
DT-BB Series dc current transducer designed to measure up to 1.5KV, Split-core to 400 A
NK Technologies introduces the DT-BB DC Current Transducer. The design allows a split-core transducer to be installed over existing bus bars or wire, and to be easily mounted on a panel or DIN rail. The DT-BB is rated to measure dc current at working voltage to 1500 Vdc. The power supply and output signal wires…
DG Series dc Ground Fault Relay protects machinery and operators from accidental shocks
NK Technologies introduces the DG Series DC Ground Fault Detector. The DG series was designed to keep operators and machinery safe from accidental shocks by detecting fault currents quickly and easily, and can be installed at a fraction of the cost of products currently available. The one-piece, solid-core design allows for installation over wires feeding…
New 2018 product catalog available from NK Technologies
NK Technologies announces the publication of its 2018 catalog, which includes performance data, sizes, specifications and technical references for the company’s extensive line of current sensing switches, transducers, transformers, ground fault protection and other products. Innovative new products featured in the catalog include the ASP-FD Current Operated Switch, which allows two separate trip points…
NK Technologies Introduces VTD-BD Series Voltage Transducer for Sensing DC Voltage
NK Technologies introduces the VTD-BD Series Voltage Transducer for sensing voltage in DC-powered installations. The high-performance VTD-BD is applicable for use on circuits to 600 VDC. It provides a fully isolated +/-5 VDC or +/- 10 VDC output signal in response to DC voltages that change polarity. The VTD-BD is housed in an easy-to-install DIN…
ASXP-LS current switches take complexity out of monitoring high-current loads
NK Technologies introduces ASXP-LS Current Switches – a combination current transformer and signal conditioner designed specifically for monitoring large loads. The ASXP-LS Current Switches feature electromechanical relay output, external power source, simple field set point adjustment and easy installation. The mechanical relay contact provides a trouble-free, durable alarm or interlock, improving safety and overall system…
NK Technologies completes ISO-9001/ISO-14001 recertification audit
NK Technologies’ announces it has successfully completed an ISO-9001/ISO-14001 recertification audit of its quality assurance and environmental management systems. The systems have been consolidated in order to provide…
New Limit Alarm Current Sensing Contact Switch from NK Technologies
NK Technologies new ASD Series Current Sensing Switches provide a limit alarm contact with the easiest adjustment method ever designed. These current sensing switches feature a single turn potentiometer, allowing the trip point to be set before the sensor is installed or before the monitored circuit is energized. In conjunction, the ASD features an LED…
New Limit Alarm Current Sensing Contact Switch from NK Technologies
NK Technologies new ASD Series Current Sensing Switches provide a limit alarm contact with the easiest adjustment method ever designed. These current sensing switches feature a single turn potentiometer, allowing the trip point to be set before the sensor is installed or before the monitored circuit is energized. In conjunction, the ASD features an LED…
New AC Current Transducer/Switch from NK Technologies
LED setpoint display provides fast, accurate verification NK Technologies new ATS Series AC Current Sensors combine a current operated switch and transducer in a single package. A prominent…
Current Switches Simplify Installation & Improve Performance
NK Technologies introduces ASC Series Switches. Theses current operated switches are precision calibrated at the factory per customer specifications and guaranteed within 1% accuracy. Because the switch is factory calibrated, field installation time and effort is minimized resulting in significant cost savings and improved performance consistency. ASC switches combine a current transformer, microprocessor-based signal conditioner…
Control Energy Costs by Using the New APN Series Digital Power Monitor
NK Technologies introduces the APN Series Power Monitoring Sensor. The APN Series Power Monitor measures three phases of current and voltage and computes fourteen values necessary to track…
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Compact 3-Wire Direct Current Sensor
Complementing its existing DLT Series of 4-–20 mA current output sensors, NK Technologies’ DT Series 3-Wire Current Transducer provides industry standard outputs of 0-5 or 0-10 VDC proportional…
Monitor DC Current with New DT 3-Wire Current Transducer
The new DT Series 3-Wire Current Transducer from NK Technologies is specifically designed in a compact, space-saving case. The DT 3-Wire uses a common point for both power…
Monitor Power with Flexible Cable-type Current Transformers
The new CTRC AC Current Transformers from NK Technologies monitor circuits up to 2000 amps and produces a safe, low voltage output proportional to the RMS current value. This output is designed as an input to a power monitor or transducer, replicating the AC wave shape with phase angle resolution better than 2°. The flexible…
NK Technologies introduces WRT Series Wireless Data Transmitter/Receiver
NK Technologies introduces the WRT Series Wireless Data Transmitter/Receiver. This wired-to-wireless solution provides a self-managed mesh network that works with any RS485 network protocol to promote highly reliable system operation in new or retrofit applications. The system allows for wired and wireless equipment mixes to avoid radio signal obstacles. It is also simple to configure…
Small current sensor detects low dc levels
NK Technologies introduces DS1 DC Current Sensors. DS1 current sensors feature a compact and non-adjustable one-piece design to deliver reliable detection of very low DC current levels in a wide range of applications. Their compact and non-adjustable one-piece design simplifies installation, even in crowded control cabinets. DS1 current sensors can be powered by any DC