Product Summary

The Circutor CVM-A1600 is a high-performance, panel-mounted Class A power quality analyzer for medium- and low-voltage installations. It measures, records and displays electrical parameters and power quality events according to IEC 61000-4-30 Edition 3 and IEC 62586-2 test methods. The unit captures voltage and current quality events with waveforms, supports harmonics and interharmonics analysis up to the 63rd order, and provides an 8-inch touchscreen with local and remote access through its built-in web server.

Item	Brief Description
Product name	Circutor CVM-A1600 Power Quality Analyzer
Model in datasheet	CVM-A1610-ITF
Code	M57110
Main positioning	Class A power quality analyzer for supply quality monitoring, PQ event recording, waveform capture, and standards-based reporting.
Primary standards	IEC 61000-4-30 Ed.3, IEC 62586-2, IEC 61000-4-7, IEC 61000-4-15, IEC 61557-12, IEC 62053-22, IEC 62053-24, EN 50160 reporting referenced in Circutor article.
Typical customer applications	Main incomer / utility supply boundary, critical distribution boards, high-consumption loads, industrial plants, commercial facilities and facilities with VFDs, UPS, chargers or power electronics.
Integration message	Integrates with Energy Management Systems via REST API, Modbus TCP and IEC 61850; also supports RS-485 Modbus RTU and Ethernet protocols.

Value Proposition

Class A measurement according to IEC 61000-4-30 Edition 3 for reliable, standardised power quality data.
Records power quality events in voltage and current, including waveforms for event investigation.
Automated EN 50160 reporting helps simplify compliance checks and quality reporting.
8-inch touchscreen for easy navigation through live values, historical data and recorded events.
Built-in web server for remote viewing, configuration and access to instantaneous and historical parameters.
Designed for medium- and low-voltage installations, including supply boundary monitoring and critical loads.
Supports integration into energy management and SCADA ecosystems through REST API, Modbus TCP, IEC 61850, RS-485 and Ethernet connectivity.

Application Copy

The CVM-A1600 is typically installed at the company supply boundary point, main distribution boards or key electrical connection points, operating in parallel with the billing meter. It is also suitable for monitoring high-consumption or power-quality-sensitive loads such as motors, furnaces, PLC-controlled process lines, UPS systems, EV chargers, variable frequency drives and other power-electronic equipment.

Key Features Table

Feature	Webpage explanation / customer value
Class A power quality analyzer	Provides standardised and reliable measurement data according to IEC 61000-4-30 Ed.3 and IEC 62586-2 methods.
PQ event recording	Captures voltage and current disturbances such as dips, overvoltages, interruptions and transients.
Waveform capture	Stores event waveforms to support root-cause investigation and discussions with utilities or internal maintenance teams.
Harmonics and interharmonics	Analyses harmonics and interharmonics up to the 63rd order for identifying distortion caused by VFDs, UPS, chargers and power electronics.
Flicker and imbalance monitoring	Measures flicker, voltage/current unbalance and THD/TDD to evaluate network quality and equipment stress.
8-inch touchscreen	Simplifies local operation and helps users view live values, histories and events without specialist software.
Built-in web server	Allows remote access to instantaneous values, historical data and device configuration.
EN 50160 reporting	Automatically generates power quality reports against EN 50160 limits, with conclusions that can be emailed or sent to remote servers.
EMS / cloud integration	Supports APIRest, Modbus TCP, IEC 61850, RS-485 Modbus RTU, HTTPS, NTP, DNS, WSS, SFTP, FTP and SMTP.
Multi-site readiness	Can be connected to Circutor Scout platform / Quality Analyst module for centralised quality monitoring across multiple installations.

Main Technical Specifications

Parameter	Specification
Product / model	CVM-A1610-ITF, Code M57110
Certification	IEC 61000-4-30
Power supply	100...300 Vac/Vdc
AC supply frequency	47...63 Hz
AC consumption	14...20 VA
DC consumption	8.5...9 W
Auxiliary battery autonomy	20 s
Input current	.../5 A \| .../1 A \| 250 mA
Communications	Ethernet \| RS-485 \| Wi-Fi
Serial communication	RS-485, Modbus RTU
Network interface	2 x Ethernet 10BaseT / 100BaseTx, RJ45
Network protocols	HTTPS, NTP, DNS, WSS, SFTP, FTP, IEC 61850, SMTP, Modbus TCP
Display	8-inch touchscreen
Mounting	Panel mounting, DIN 43700 cut-out 138 x 138 mm
Size	201 x 145 x 131 mm
Weight	0.95 kg
Protection	IP40 front, IP30 unmounted
Working temperature	-20...+65 °C
Storage temperature	-20...+80 °C
Relative humidity	5...95%, without condensation

Measurement Circuits

Circuit / Parameter	Specification
Voltage nominal range	110...480 V Ph-N, 190...830 V Ph-Ph
Voltage measuring range	10...600 V~ Ph-N
Frequency measuring range	42.5...69 Hz
Input impedance	2 MOhm
Minimum measurement voltage	10 V Ph-N, 17 V Ph-Ph
Voltage circuit installation category	CAT III 600 V (2000 m), CAT III 300 V (5000 m)
Current nominal input	.../5 A for IEC 61000-4-30, .../1 A, .../0.250 A
Phase current measuring range	0.01...6 A (.../5 A) IEC 61000-4-30; 0.01...12 A (.../1 A); 0.01...0.3 A (.../0.250 A)
Neutral current measuring range	0.01...6 A (.../5 A); 0.01...12 A (.../1 A); 0.01...0.3 A (.../0.250 A)
Maximum pulse current	15 A (.../5 A)
Minimum current measurement	0.01 A
Maximum input current consumption	0.9 VA
Current circuit installation category	CAT III 600 V (2000 m), CAT III 300 V (5000 m)

Measurement Accuracy / Class Table

Measurement	Accuracy / Class
Phase voltage	+/- 0.1% Un (class 0.1) (10%...150%), Class A IEC 61000-4-30
Neutral voltage	+/- 0.1% Un (class 0.1) (10%...150%)
Phase current	0.2% (0.01...10 A) (.../5 A), Class A IEC 61000-4-30
Neutral current	0.2% (0.01...10 A) (.../5 A)
Frequency	Class 0.02 (42.5...69 Hz), +/- 10 mHz IEC 61000-4-30
Active power	Class 0.2 +/- 1 digit IEC 61557-12
Reactive power	Class 0.5 +/- 1 digit IEC 61557-12
Active energy	Class 0.2S IEC 62053-22
Reactive energy	Class 0.5S IEC 62053-24
Power factor	Class 0.5 IEC 61557-12
Voltage THD	Class A IEC 61000-4-30 and Class I IEC 61000-4-7 (0.2%...100%)
Current THD	Class A IEC 61000-4-30 and Class I IEC 61000-4-7 (0.2%...100%)
Voltage harmonics (THD)	Class A IEC 61000-4-30 and Class I IEC 61000-4-7, +/- 0.15% (0.08%...200%)
Flicker Pinst / Pst	Class A IEC 61000-4-30 and Class F1 IEC 61000-4-15 (0...10 Pst)
Voltage unbalance Kd	Class A IEC 61000-4-30, +/- 0.15% (0%...200%)
Current unbalance Kd	Class A IEC 61000-4-30, +/- 0.15% (0%...200%)

CVM-A1600 Model Range Table

Code	Type	Power supply	Input current	Transistor outputs	Relays	Digital inputs	Communications
M57110	CVM-A1610-ITF	100...300 Vac/Vdc	.../5 A \| .../1 A \| 250 mA	0	0	0	Ethernet \| RS-485 \| Wi-Fi
M57111	CVM-A1611-ITF	100...300 Vac/Vdc	.../5 A \| .../1 A \| 250 mA	6	2	6	Ethernet \| RS-485 \| Wi-Fi
M57112	CVM-A1612-ITF	100...300 Vac/Vdc	.../5 A \| .../1 A \| 250 mA	12	4	12	Ethernet \| RS-485 \| Wi-Fi

Note for webpage: If listing only the uploaded product, lead with M57110 / CVM-A1610-ITF. Include M57111 and M57112 as available variants for projects requiring additional I/O.

Customer Pain Points and Application Mapping

Customer issue	Relevant CVM-A1600 capability	Webpage angle
Unexplained production stoppages or machine trips	Records dips, swells, interruptions and transients with waveforms.	Identify whether disturbances are supply-related or internally generated.
Need to prove supply quality to utility or management	Class A IEC 61000-4-30 measurements and automatic EN 50160 reports.	Use standardised evidence rather than assumptions.
Sensitive PLCs, automation and control systems	Detects voltage variations, disturbances, flicker and harmonic distortion.	Reduce nuisance faults and unexpected resets.
Harmonics from VFDs, UPS, chargers or power electronics	Harmonics and interharmonics analysis up to the 63rd order.	Locate distortion sources and prioritise mitigation.
Multi-site PQ monitoring	Connectivity with EMS, Scout platform / Quality Analyst and remote protocols.	Centralise PQ data, events and alarms across plants or buildings.
Limited in-house PQ expertise	8-inch touchscreen, web server and automatic reports.	Make power quality information easier for maintenance teams to interpret.

ITIC curve / event severity visual

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