详情
CIRCUTOR Fixed Power Analyzer
CVM-B50-ITF Power Analyzer
The CIRCUTOR CVM-B50-ITF is a 96 × 96mm panel-mounted power analyzer for electrical measurement, energy logging, power quality supervision and remote monitoring. It is designed for installations that require local display, downloadable memory, Ethernet / Wi-Fi communication and Modbus TCP/IP integration.
The analyzer measures electrical variables, energy consumption, generation, voltage and current distortion, individual harmonics up to the 31st order and neutral current. It also includes automatic wiring-error correction to simplify commissioning and reduce installation mistakes.
Model CVM-B50-ITF, code M56910
Communication Ethernet, Wi-Fi and Modbus TCP/IP
Measurement 4 measuring channels, neutral current and harmonics
Mounting 96 × 96mm panel mounted analyzer
Product Overview
The CVM-B50-ITF is a compact and versatile fixed power analyzer for low voltage and medium voltage monitoring applications. It performs four-quadrant measurement, making it suitable for both consumption and generation monitoring.
The built-in memory allows energy and measurement data to be downloaded in CSV format from mobile or PC. The integrated web server and app-based setup allow configuration, display and start-up without additional software.
The analyzer is useful for analysing electrical variables, checking consumption quality, detecting network harmonics, identifying neutral current problems and integrating metering data into SCADA, BMS, EMS or IoTWatt 4.0 platforms.
Positioning: Fixed panel-mounted power analyzer for energy monitoring, harmonics visibility, neutral-current supervision, Modbus TCP/IP integration and energy audit support.
Typical Monitoring Architecture
CVM-B50-ITF measures the electrical installation locally and sends the data through Ethernet or Wi-Fi using Modbus TCP/IP to monitoring systems, SCADA, BMS, EMS or IoTWatt 4.0.
1 CTs / Voltage Inputs
2 CVM-B50-ITF
3 Ethernet / Wi-Fi
4 Modbus TCP/IP
5 SCADA / EMS / IoTWatt
Key Features
Built-In Downloadable Memory
Stores approximately 40 days of downloadable data in CSV format for mobile or PC review.
Integrated Web Server
Supports configuration, display and start-up through web server or app without additional software.
Ethernet and Wi-Fi
Integrated Ethernet and Wi-Fi communication with Modbus TCP/IP protocol.
Neutral Current Measurement
Measures neutral current to detect imbalance and potential neutral conductor overload.
Harmonics up to 31st Order
Displays THDU%, THDI% and individual phase harmonics up to the 31st order.
Automatic Autowiring
Automatic wiring-error correction helps simplify installation and commissioning.
Four-Quadrant Measurement
Measures both consumption and generation, suitable for modern sites with loads and generation sources.
Inputs and Outputs
Includes 4 digital inputs, 2 relay outputs and 2 transistor digital outputs.
User-Defined Screens
Allows user-defined screens with selected variables and status indication for inputs, outputs and tariff.
Applications
The CVM-B50-ITF is suitable for facilities that need compact fixed monitoring of electrical variables, energy consumption, power quality indicators and network harmonics. It can be used in main switchboards, sub-main panels, MCCs, distribution boards, renewable energy panels and medium voltage metering panels through suitable CT / VT arrangements.
Energy Audits
Measure consumption, generation, demand, power factor and electrical variables for energy audit work.
ISO 50001 Support
Supports energy measurement and monitoring for energy management systems and continuous improvement.
Harmonic Monitoring
Detect THD and individual harmonics to support power quality and network health reviews.
Neutral Overload Detection
Neutral current measurement helps identify imbalance and possible neutral conductor overheating risk.
SCADA / BMS / EMS
Integrate values through Modbus TCP/IP using Ethernet or Wi-Fi communication.
IoTWatt 4.0 Integration
Use as a field analyzer for IoTWatt 4.0 dashboards, alarms, analytics, EECA reporting and digital energy audit.
Model and Main Characteristics
| Item |
CVM-B50-ITF |
| Product Code |
M56910 |
| Product Type |
Fixed power analyzer, 96 × 96mm panel mounted |
| Protocol |
Modbus TCP/IP |
| Communications |
Ethernet and Wi-Fi |
| Memory |
Yes, built-in downloadable memory |
| Measuring Channels |
4 |
| Input Current |
.../5A and .../1A current transformer inputs |
| Harmonics |
Up to 31st order |
| Digital Inputs |
4 |
| Relay Outputs |
2 |
| Transistor Outputs |
2 |
| Mounting |
Panel mounting |
Electrical Measurement and Accuracy
| Parameter |
Specification |
| Nominal Voltage |
230V phase-neutral, 400V phase-phase |
| Frequency Measuring Range |
50 to 60Hz |
| Voltage Input Impedance |
400kΩ |
| Minimum Measurement Voltage |
11.5V phase-neutral |
| Maximum Voltage |
300V phase-neutral / 520V phase-phase |
| Current Input |
5A, .../5A or .../1A |
| Minimum Current Measurement |
10mA |
| Phase Voltage Accuracy |
0.2% from 20% to 120% Un |
| Phase Current Accuracy |
0.2% from 10% In to 120% In |
| Active Power Accuracy |
0.5% ± 2 digits |
| Apparent Power Accuracy |
0.5% ± 2 digits |
| Reactive Power Accuracy |
1% ± 2 digits |
Power Supply
| Supply Type |
Specification |
| AC Supply Nominal Voltage |
100 to 240Vac ±10% |
| AC Supply Frequency |
50 to 60Hz |
| AC Supply Consumption |
5 to 8VA |
| DC Supply Nominal Voltage |
100 to 240Vdc ±10% |
| DC Supply Consumption |
2.7 to 3W |
| Installation Category |
CAT III 300V |
Inputs, Outputs and User Interface
| Function |
Specification |
| Digital Inputs |
4 NPN digital inputs, input / output insulation 2000V |
| Relay Outputs |
2 relay outputs, maximum switching capacity 625VA / 75W AC1 |
| Relay Mechanical Life |
10 × 10 v cycles |
| Relay Electrical Life |
60 × 10³ cycles at maximum load |
| Transistor Outputs |
2 NPN digital transistor outputs |
| Transistor Output Maximum Voltage |
24Vdc |
| Transistor Output Maximum Current |
50mA |
| Transistor Output Maximum Frequency |
16 pulses / second |
| Pulse Width |
30ms to 400ms, programmable |
| Display |
Custom COG LCD |
| LEDs |
2 LEDs |
| Keyboard |
3 keys |
Mechanical and Environmental Specifications
| Parameter |
Specification |
| Working Temperature |
-10°C to +50°C |
| Storage Temperature |
-25°C to +75°C |
| Relative Humidity |
5% to 95%, without condensation |
| Protection Class |
IP20, front IP54 |
| Enclosure |
Self-extinguishing V0 plastic |
| Fastening |
Panel mounting |
| Dimensions |
96 × 96 × 67mm |
| Weight |
0.363kg |
| Electrical Safety |
CAT III 300V |
Standards
The CVM-B50-ITF is designed according to relevant measurement, safety, EMC and environmental standards for fixed electrical measurement equipment.
- IEC / EN 61010-1 and IEC / EN 61010-2-030.
- IEC 61557-12.
- IEC 61326-1 and related EMC immunity / emission standards.
- UNE-EN 61000-4 series immunity tests including electrostatic discharge, surge, EFT, conducted disturbance, power-frequency magnetic field and voltage interruption tests.
- ETSI EN 301 489-1 and ETSI EN 301 489-17 for radio / wireless EMC requirements.
Why Use CVM-B50-ITF?
The CVM-B50-ITF is suitable where compact panel metering is required together with remote data access, memory, harmonics information and integration into modern monitoring platforms.
- Combines energy metering, power analysis and harmonic visibility in one 96 × 96mm panel device.
- Ethernet and Wi-Fi communication simplify integration into SCADA, BMS, EMS and IoT systems.
- Built-in web server and app configuration reduce commissioning dependency on special software.
- Autowiring correction helps reduce wiring error issues during installation.
- Neutral current measurement supports imbalance and overload detection.
- Digital inputs and outputs support pulse logging, tariff status, sensor status and simple automation actions.
- Built-in CSV-downloadable memory supports data review and energy audit documentation.
Integration with IoTWatt 4.0
CVM-B50-ITF can be integrated into IoTWatt 4.0 through Modbus TCP/IP using Ethernet or Wi-Fi. It is suitable for sites where fixed panel measurement is needed for energy dashboards, digital energy audits, EECA reporting, alarms, performance analytics and longer-term energy monitoring.
- Use Ethernet or Wi-Fi for Modbus TCP/IP data collection.
- Monitor energy consumption, generation, demand, power factor, voltage, current and power values.
- Use THD and harmonic data to support power quality visibility.
- Use neutral current measurement to detect imbalance or neutral loading issues.
- Use digital inputs for pulse metering, tariff status or field sensor status.
- Use relay and transistor outputs for alarm or simple automation logic where required.
- Support IoTWatt 4.0 dashboards, EECA reporting, energy audit and M&V workflows.
Recommended Selection and Deployment Checklist
- Confirm the required current input: .../5A or .../1A CTs.
- Confirm CT ratio, CT class and installation direction.
- Confirm voltage level: 230V phase-neutral / 400V phase-phase application.
- Confirm panel cut-out, mounting clearance and front IP54 requirement.
- Confirm communication method: Ethernet or Wi-Fi.
- Confirm Modbus TCP/IP register mapping and integration platform.
- Confirm whether digital inputs are required for pulse meters, tariff or sensor status.
- Confirm relay / transistor output requirements for alarms, pulses or automation.
- Confirm memory download and CSV data usage requirement.
- Test voltage phase sequence, CT polarity and Autowiring correction during commissioning.
CVM-B50-ITF Supply, Installation and IoTWatt 4.0 Integration
Saturn Pyro supports CIRCUTOR CVM-B50-ITF power analyzers for fixed electrical monitoring, harmonics visibility, energy audits, SCADA / BMS / EMS integration, Modbus TCP/IP communication and IoTWatt 4.0 digital energy audit projects in Malaysia.
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