Power network parameter analyzers

• Primary current: 100...500 A or 300...800 A
• Secondary current: 5 A
• Hole diameter: 27 mm or 37 mm
• Hole depth: 45 mm
• Accuracy class: 1

• Measures power network parameters in 3-phase network 3 or 4-wire symmetrical or asymmetrical systems
• THD factor
• Outputs: 3 relays and 1 analog output (ND10), 1 relay and 3 analog outputs (+/-) (ND10A)
• Digital output: RS-485 MODBUS (option)
• Protection class for front side: IP65
• Supply: 85...253 VDC/VAC
• Backlit LCD display
• Dimensions: 96 x 96 x 77 mm

• T22CT can be used for network analysis, monitoring and measuring of non -sinusoidal and distorted networks AC current
• Variations of measuring current range (A): 0...50 / 100 / 150 / 200 / 250 / 300 / 400 / 500 / 600 / 750
• Output: 4…20 mA or 0…20 mA (Proportional change to input current)
• Frequency range of Measuring current: 50…60 Hz
• High electric isolation between primary conductor and output
• Mounting onto 35 mm DIN rail by means of optional supply of snap on mounting
• Auxiliary power supply: 24 V DC, ± 15%
• Protection class: IP20
• Operating temperature and Humidity: 0…+70 °C, 0...95% RH without condensation

Bimetallic ammeters BA27, BA39, BE27, BE39 indicate flowing current and maximal flown current. When the user presses the button on the front of ammeter, maximal current indication arrow returns to the actual value.

BE27 and BE39 additionally indicate average current of 8-15 minute timespan. They are fit to indicate thermal current indication in transformers, cables and other electric devices. Measuring range can be extended according to customer’s demand.

• Panel electromagnetic devices are designed to measure effective values of current and voltage
• The devices are fit to be mounted in up to 15 mm-thick panels
• Meter EB16 is mounted on 35 mm rail
• Tropical version is also available
• Ammeters for use with transformers (X/1A and X/5A) available

• Panel devices are designed to measure AC and DC current and voltage
• Those with P index have integrated rectifier which enables the device to measure effective currents and voltages
• Asymmetric form signal measurement accuracy depends on harmonic component levels
• The devices are fit to be mounted in up to 15 mm-thick panels
• Meter MB16 is mounted on 35 mm rail
• Tropical version is also available
• Ammeters for use with transformers (X/1A and X/5A) available

The mini-size multimeter has multiple functions, such as auto range, auto scan (SMART) and true RMS functions, which makes it more convenient and intelligent. Besides normal multimeter function, it also has the function of NCV test and LIVE wire test, which is convenient for field testing. Blacklight and Flashlight capabilities facilitate use in dark work environment.

• CAT III 600V
• TRMS
• AC/DC Voltage measurement: 400 mV…400 V
• AC/DC Current measurement 40 mA … 10 A
• Resistance measurement 400 mΩ … 40 MΩ
• Capacitance measurement 4 nF…4 mF
• Frequency measurement
• Temperature measurement -200…1200 °C
• Auto Scan function (SMART)
• HOLD function, Continuity test and Diode test
• Dimensions: 130 x 62 x 27 mm

• Current (AC / DC) transducer T23CT with 4...20 mA output
• AC/DC current input (single option): up to 50 / 100 / 150 / 200 / 300 A
• Optional mounting on DIN rail
• Galvanic isolation
• Supply: 24 VDC
• Ambient temperature: -25...+55 °C
• Protection class: IP65, IP40 for terminals

Current transformers for busbars LCTB.

Current transformers for cables LCTR.

Current transformers LCTS with split core.

• Multimeter with backlit LCD screen (two shown values)
• Four versions: NP10-2, NP10-3, NP10-5, NP10-6 TRMS (see datasheet below)
• Capacity measurement from 1 pF to 40 mF
• AC and DC voltage measurement from 100 μV to 1000 V
• AC and DC current measurement from 10 μA to 10 A
• Resistance measurement from 100 mΩ to 60 MΩ
• Frequency measurement from 10 Hz to 10 MHz
• Diode measurement and continuity testing
• Hold function
• Relative measurement
• Duty cycle (%) measurement
• Temperature measurement (K type thermocouple) from 0 to 1300 °C
• Peak value measurement

• Digital multimeter with data logging view function (up to 32000 readings) 
• Four versions: NP15-2, NP15-3, NP15-5, NP15-6 TRMS (see datasheet below)
• TRMS measurement
• Low input impedance
• Capacity measurement from 1 pF to 40 mF
• AC and DC voltage measurement up to 1000 V
• AC and DC current measurement up to 10 A
• Resistance measurement
• Frequency measurement
• Diode measurement and continuity testing
• Filtering
• Square wave signal generator
• Hold function, backlight, maximal and minimal value presentation
• External supply
• Duty cycle (%) measurement
• Temperature measurement (K, J type thermocouples, Pt100 and Pt1000)
• Automatic / manual range selection
• USB connectivity (optional)

• Digital multimeter for insulation resistance measurement
• Multimeter with backlit LCD screen
• AC and DC voltage measurement up to 1000 V
• AC and DC current measurement up to 300 mA
• Resistance measurement up to 30 mΩ
• Insulation resistance measurement up to 3 GΩ
• Capacitance measurement up to 30 μF
• Frequency measurement up to 100 kHz
• Fill factor measurement (%)
• Hold function
• Temperature measurement (Pt100 and Pt1000)
• Diode check
• Analog scale on screen

• Measurement of 85 power network parameters, including current and voltage harmonics up to 31st in 1-phase 2-wire or 3-phase 3 or 4-wire.
• Accuracy of active energy measurement 0.5S or 0.2S
• RS-485 (Modbus RTU) interface for remote monitoring of measured parameters
• The dual-tariff function for energy billing applications
• 2 relay outputs
• Pulse output: SO output as pulse or alarm
• 2 digital inputs as energy consumption, pulse counting and contact status
• Measured values displayed in 10 configurable screens
• Possibility programming of current and voltage ratio without restrictions as in MID-certified products
• Measurement inputs dedicated for x/1A and x/5A current transformers
• Power supply: 100…550 V a.c. / d.c.
• DIN rail mounted

Frequency meters CA32, CA36, CA37, CA39, CA39L are designed for frequency measurement in electrical grid. Transducer signal is measured using magnetoelectric effect. Tropical version available.

• Frequency range: 45...55, 45...65, 48...52, 55...65, 360...440, 380...420 Hz
• Voltage range: 60,100, 110, 230, 240, 400, 415, 440, 500 ± 20%
• Accuracy class: 0,5
• Consumed power: =< 7 VA
• Protection class: IP52 or IP65
• Standards conformed: EN61000-6-2, EN-61000-6-4, EN-61010-1
• Temperature range: 5...23...40 °C

• Digital, programmable power network parameter meter N30P with RS-485 interface
• Measures voltage, current, frequency, active, reactive power, cosφ, tgφ, energy consumption
• Programmable with keys or via computer

• Measurement of parameters: voltage, current, active, reactive and apparent power, cosφ, tgφ, frequency, active, reactive and apparent energy, active power 15 minutes, voltage 10 minutes
• Current and voltage harmonics analysis up to 51st (measurements available via RS-485)
• Programmable input:
  • Current: 0…1 / 0…5A
  • Voltage: 0…100V / 0…230V / 0…400V
• Output:
  • Analog: 0/4...20 mA or 0...10 V
  • Relays: 1 or 4
  • Binary (OC)
• Digital output: RS-485 modbus (can be programmed through RS-485)
• Two-line LCD display
• Pulse output to measure energy consumption
• 4 alarm outputs with signaling on LED diodes, working in 7 different modes
• Conversion of any measured value into an analog signal 0/4...20 mA or 0...10V
• Protection grade: frontal side – IP65 / from terminal side – IP10
• Operating temperature: -25...23...55 °C

N19Z meter measures AC voltage and current. The meter is designed to work in 3-phase networks or 1-phase networks.

• Nominal input voltage: 300 or 600 V 1 phase / 100…500 V 3 phase
• Nominal input current: 1A or 5A
• True RMS measurement (up to 15th Harmonic)
• On site programmable PT/CT ratios
• User selectable 3ph3wire or 3ph4wire Network (for 3ph)
• Onsite selection of Auto scroll / Fixed Screen (for 3ph)
• 4 Digits 14mm ultra bright LED Display
• Protection: IP54 front / IP20 back
• Parameter Screen recall: In case of power failure, the instrument memorizes the last displayed screen
• Accuracy: ±0.5% of nominal value

Multifunctional professional current cramps NC12 with twistable clamp direction. The device is designed to measure AC current and AC/DC voltages, frequency, temperature (with Pt100 and Pt1000 sensors), electric resistance and capacitance. Twistable clamp direction enables user to measure current in hard-reachable areas. Two variants are available: NC12-300A (up to 300 A AC) and NC12-1000A (up to 1000 A AC).

Multifunctional professional current cramps NC14 with twistable clamp direction. The device is designed to measure AC current and AC/DC voltages, active, reactive, apparent power, inrush current, resistance, harmonics (up to 49th), phase angle, THD, power factor, DF, crest factor and power factor. Twistable clamp direction enables user to measure current in hard-reachable areas. Can be used in single- and three-phase (3 or 4 wire systems) networks. Two variants are available: NC14-400A (up to 400 A AC) and NC14-1000A (up to 1000 A AC).

Phase voltage controller PKF-302. The device is designed for electric motor protection from asymmetric supply and grid voltage drop. The controller has two switch outputs of which one is used for protective shutdown and another for alarm. Simplified type 333 variant.

• Channels: Shutdown and alarm
• Supply: 3x (50...230...265)V. Max 2,5W
• Frequency: 40...50...60 Hz
• Indicator: 3 x LED 3 digits
• Measuring mode: True RMS
• Activation voltage: 185 V
• Reset voltage: 195 V
• Activation time: about 1s
• Reset time: 1...999 s (optional 4 or 6 s)
• Switch outputs: 2 x switching 2A, 250V AC
• Ambient temperature: -15°C...55°C
• Mounting: 35 mm rail
• Protection class: panel IP40; connections IP20

Phase voltage controller PKF-333SZE. The device is designed for electric motor protection from asymmetric supply and grid voltage drop or overvoltage and automatic UPS activation. The controller monitors voltage phase angles and harmonic distortions due to generated high harmonics.

Phase voltage controller PKF-333SZR. The device is designed for electric motor protection from asymmetric supply and grid voltage drop or overvoltage and automatic UPS activation. The controller monitors voltage phase angles and harmonic distortions due to generated high harmonics.

• Maximum efficiency up to 98,5 % (SiC technology)
• Wide MPPT voltage range: 350...800 V
• Maximum power point tracking, up to 3 MPPT trackers
• Large graphical display provides an easy, user friendly operator interface
• Versions without transformer for enhanced efficiency
• Inputs/outputs: 3 x analog inputs, 2 x digital inputs, 2 x digital outputs
• 2 x RS-485 ports
• Auxiliary 24 VDC supply for connection of environmental sensors
• Integrated data logger for operation and fault data logging
• USB port for quick and handy saving of production and operation data
• Integrated DC circuit breaker under load
• Protection against overcurrent, overtemperature, reverse DC polarity, AC and DC overvoltage
• Natural ventilation minimizes breakdown and maintenance
• Full power without derating up to 50 °C ambient temperature
• Protection class: IP65 (suitable for both indoor and outdoor installation)

• Portable analyzer NP40 is designed for power network quality parameter analysis
• Analyses voltage and current harmonics up to 51-st, THD
• Real-time waveform display (4 voltage / 4 current)
• Measurement of TRMS currents up to 3000 A (with standard sensor)
• Half cycle RMS measurement (voltage and current)
• Measurement in 1-phase and 3-phase systems (3- and 4-wire)
• Voltage, current, harmonics, power, energy and other parameter measurement
• Graphical representation of data in a waveform and vector diagram
• Record of events: dips, swells, overvoltages
• Built-in 8 GB memory card
• Ethernet interface for remote monitoring
• USB interface for data transfer
• Color 5,6” TFT display, 320 x 240 px

• Power factor controller for reactive power compensation
• Measures 73 power network parameters (40 visible on screen, all via Modbus RTU)
• Relay outputs: 4 / 6 / 8
• Programmable switch in time, switch off time and discharge time
• Alarm message and relay output
• Optional digital output: Modbus RTU (RS-485)
• Optional real time clock (RTC)
• LCD screen
• Operating temperature: -10...+60 °C
• Protection class (front): IP54

• Panel electromagnetic devices are designed to measure the angle between phase voltage and current in one-phase and three-phase circuits
• Measured value is represented in cosine (cos φ)

Power meters PA39. Panel power meters are designed to measure active and reactive power. Transducer signal is measured using magnetoelectricity. Can be used for 1 or 3-phase measurement. Special version available for two-way energy flow measurement. Tropical version is also available (TIII).

• Voltage range: 100 √3...690 V
• Current range: 1A (X/1A) or 5A (X/5A)
• Accuracy class: 1,5
• Consumed power: = <3,25 VA
• Protection class: Frnt panel IP52, terminal IP00
• Devices comform with EN61000-6-2, EN-61000-6-4 standards
• Temperature range: -10...23...+55 °C

• Measures and records power network parameters in single phase or three phase 3 and 4-wire symmetrical and asymmetrical systems
• 54 electrical network quality parameters
• Analysis of voltage and current harmonics (up to the 51-st)
• Color touchscreen: LCD TFT 3.5“, 320 x 240
• 2 configurable alarm outputs
• Analog output 0/4...20 mA and 2 x Pt100 inputs (optional)
• Digital output: RS-485 (MODBUS)
• Ethernet / Profinet 2.2
• Supply: 85...253 VAC / 90...300 VDC or 20...40 VAC / 20...60 VDC
• Battery backup RTC
• Dimensions: 96 x 96 x 77 mm

• Measures and records parameters in 3 and 4-wire, 3-phase, balanced or unbalanced power network
• Up to 500 electrical network quality parameters according to EN 50160, EN 61000-4-30, standards
• Measuring class A or A / S
• Support the IEC 60870-5-104 communication protocol (new - option)
• Analysis of voltage and current harmonics and interharmonics (up to the 51-st)
• Monitoring up to 6 additional energy meters with pulse output
• Recording of measurements before and after events (dips & swells)
• Configurable archives of logged values and events
• SD card support (up to 32 GB)
• Webserver function, FTP server, DHCP client
• Outputs: relays, binary, analog
• Binary inputs
• E-mail alarms
• Interfaces: RS-485 Modbus slave, Ethernet 100 Base-T (Modbus TCP server), USB device and host
• Color touchscreen: LCD TFT 5.6“
• Many data representation modes (i.e. digital display, analog, bar graph, vector diagram)
• IP65 protection class for front side
• Real time clock (RTC) synchronization with NPT time server
• Time synchronization via external GPS module - STR  receiver (new - option)

Power network meter N100 for electric quality to measurements parameters 3 and 4-wire, 3-phase, balanced or unbalanced power network systems with data logging.

The measurement of: values of voltage and current, active, reactive and apparent power, active, reactive energy, power factors, frequency, up to 51st THD.

• Two-color LED display
• Backlit units of all measured quantities
• Configurable analog and alarm outputs
• Digital RS-485 interface, MODBUS
• Archiving data in the internal memory file system memory 8 GB
• Ethernet interface, protocol: MODBUS TCP/IP, HTTP, FTP
• services: www server, ftp server, DHCP client

• Designed for direct or indirect measurement of 1-phase network parameters
• Measured values: U, I, f, P, Q, S, PF, tg fi, fi, Ep, Eq
• Direct measurements up to 63 A
• Universal input: 1/5 A 100/400 VAC or 32/63 A, 100/400 VAC
• Outputs: RS-485 (MODBUS interface), 1x relay + 1x analog or 2x relay
• OLED display
• Programmable current and voltage transformer ratios
• Programmable via buttons or free eCon software (through USB)
• Size: 53 x 110 x 60 mm

• Meter N27D is designed to measure parameters of the single-phase power network
• Direct measurements up to 63 A
• The device measures voltage, current, frequency and active power
• Measurements are represented in 4-digit display
• Button enables the scrolling through available measurements
• Mounted on standard 35 mm rail (LST-EN 62208)

• Power network parameter meter N14 is designed for measuring of three-phase network parameters and accounting of internal energy consumption. Can be used in 3- or 4-wire systems
• Can be used in energetic monitoring systems (RS-485 port)
• Active and reactive power measurement, active and reactive power counters, average power measurement
• Phase, current and voltage effective value measurement
• Network frequency measurement
• Average active power (over set time) measurement
• Changeable current and voltage transformer transfer coefficient values
• Operating temperature: -30...+50 °C
• Programmable switch output and RS-485 (MODBUS) port
• Pulse output for remote energy accounting
• Accuracy class: current, voltage 0,5/1,0; frequency 1,0; power 2,0; energy 1,0/2,0; tg φ 1,5

• Power network meter ND20 is designed to measure 3-phase network parameters and to account internal energy consumption
• Usable in 3- and 4-wire systems
• Can be used in energetic monitoring systems (RS-485 port)
• Front panel protection class IP65
• Harmonic, THD, watthour measurement
• 3,5” LCD indicator
• Analog output of 0/4...20 mA (additionally ordered)

• Measurement of power network parameters in 1-phase and 3-phase (3 or 4-wire) systems
• Current inputs 0,1 A and 0,25 A (for dedicated transformers)
• Quick and convenient ways to connect current transformers via RJ12 connector or screw terminals
• Designed for usage with following transformers: LJ12, LJ25, LJ35, LJ45, LJ306, LJ307, LJ308
• RS-485 (MODBUS RTU) interface
• THD factor measurement
• Backlighted LCD 3,5”
• Protection grade from the frontal side: IP65

• Power network parameter measurement in 1- and 3-phase network
• THD factor calculation
• High accuracy class
• Backlit LCD 3,5” display
• RS-485 Modbus slave interface
• Frontal protection class: IP65

• Measures 54 power network parameters (up to 63-rd harmonic, in 1- and 3-phase network)
• Color LCD TFT 3,5” display
• Display pages are fully configurable by user (10 pages. 8 parameters in each)
• 2 configurable alarm outputs
• Digital RS-485 Modbus output
• Optional: 0/4...20 mA output and 2xPt100 inputs
• Option: logging of 32 parameters into internal 8 GB memory
• Modbus TCP/IP, HTTP, FTP server, WWW server, DHCP client

• The MQTT protocol is ideal for communication in distributed acquisition systems data (IoT applications)
• Measures 54 power network parameters (up to 63-rd harmonic, in 1- and 3-phase network)
• Color LCD TFT 3,5” display
• Additional 2 pages for harmonics presentation and 1 dedicated page for visualization in the form of an analog meter
• Display pages are fully configurable by user (10 pages. 8 parameters in each)
• 2 configurable alarm outputs
• Digital RS-485 Modbus output
• Optional: 0/4...20 mA output and 2xPt100 inputs
• Optional: logging of 32 parameters into internal 8 GB memory
• Modbus TCP/IP, HTTP, WWW server, FTP server, DHCP client

• Measures 16 power network parameters (1- and 3-phase network)
• Digital output: Modbus RTU (RS-485)
• Pulse outputs: 2
• Direct current measurement for up to 1/5 A
• Complies with EU directive 2004/22/EC annexes B and D (MID)
• On the MID Version, you can only program the CT Rate ONCE!
  The second time you set it up, the device will lock up and you will have to send it to the manufacturer for a reset.
• Backlit screen
• Operating temperature: -25...55 °C
• Protection class: IP51

• Measures 16 power network parameters (1- and 3-phase network)
• Digital output: Modbus RTU (RS-485)
• Pulse outputs: 2
• Direct current measurement for up to 100 A
• Complies with EU directive 2004/22/EC annexes B and D (MID)
• On the MID Version, you can only program the CT Rate ONCE!
  The second time you set it up, the device will lock up and you will have to send it to the manufacturer for a reset.
• Backlit screen
• Operating temperature: -25...55 °C
• Protection class: IP51

Measurement of 54 power network parameters, including current and voltage harmonics up to 63rd in 1-phase 2-wire or 3-phase 3 or 4-wire balanced and unbalanced systems

• High accuracy class (0.2S for active energy)
• Interface: RS-485 (Modbus RTU 8N2,8E1,8O1,8N1)
• Graphical color display: LCD TFT 3,5’’, 320 x 240 pixels, fully configurable by a user (10 screens, 8 parameters in each)
• Additional 2 screens for harmonics presentation and 1 dedicated screen for visualization in the form of an analog meter
• Memory of minimum and maximum values
• 2 configurable alarm outputs
• Supervisory relay mode for alarm outputs
• Password protection
• Programming of parameters using free eCon software
• Battery backup RTC
• Supply: 85...253 V ac / 90...300 V dc
• Operating temperature: -10…23…+55 °C
• Overall dimensions: 96 x 96 x 77 mm

Power network transducer P41 is designed to convert 1-phase power network parameters into analog or digital signal. Measured parameters: voltage (U), current (I), frequency (f), active power (P), reactive power (Q), apparent power (S), power factor (PF), reactive power coefficient (tgφ), phase angle difference (φ), active energy (Ep), reactive energy (Eq).

• universal inputs (1 A or 5 A, 100 V or 400 V)
• programmable analog output ( -20 mA...+20 mA)
• parameter transfer via RS-485 interface (Modbus RTU protocol)
• chosen values memory (9000 records)
• programmable current and voltage transformer coefficients
• transducer settings are changed via „LPConfig“ software (USB)

Power network transducer P43 is designed to measure 3-phase (three or four-wire systems) power network parameters. Two parameter values are converted into analog output signal -20...+20 mA. Other parameter values are sent over RS-485 or USB ports. All parameter min and max values are measured. Data refresh interval is less than 1 s. Output signals are isolated from input and supply. Two programmable alarm outputs. Pulse (passive) output OC can be used for energy accounting. Mounted on 35 mm rail.

• Measuring ranges:
  • current 1/5 A L1...L3: 0,02...6 A
  • voltage L-N/L-L: 2,9...276/ 10...480 V
  • frequency: 45,00...66 Hz
  • active power: -1,65 kW...1,4 W...1,65 kW
  • reactive power: -1,65 kvar...1,4 var...1,65 kvar
  • apparent power: 1,4 VA...1,65 kVA
  • power factor: -1...0...1
  • active energy: 0...99 999 999,9 kWh
  • sum energy: 0...99 999 999,9 kvarh
• Consumed power: ≤ 6 VA
• Transformation coefficients: Ku = 1...4000, Ki = 1...10000
• Supply: 85...253 VDC or AC 40...400 Hz
• Ambient temperature: -10...23...+55 °C

Destined for direct (up to 63A) and indirect measurements in 3 phase 4 wire/3 wire balanced and unbalanced systems. For direct (up to 63A) and indirect measurement (x/1A or x/5A). Indications considering values of programmed ratios.

• Meter to measurements electric quality parameters in 3 phase systems
• Programmable display pages
• 3 programmable alarm outputs and 1 pulse output
• Digital transmission to the master system through the RS-485 interface
• USB for configuration by using free eCon software

Reactive power controller RMB-10S. The device is designed for reactive power compensation battery control. Version with 6 switch outputs is available.

• Molded epoxy resin protects against aggressive environmental factors
• Primary current: 60...160 A or 200...320 A
• Secondary current: 1 A or 5 A
• Hole diameter: 30 mm or 50 mm
• Hole depth: 50 mm or 40 mm
• Accuracy class: 1

• LW and LE series of current transformers with a round hole for a cable
• Ranges of primary current from 50A up to 5000A
• Maximum operating voltage 0,72 kV
• Secondary current: 1A or 5A
• Accuracy classes: 0.2S, 0.2, 0.5S, 0.5, 1; 3
• Terminals of the secondary circuit are protected by cover that protects them against accidental contact
• Operating temperature: -10…+55 °C