Circutor M58541 CVM-C11 Power Analyser 96x96mm RS-485 Modbus

The Circutor CVM-C11 (code M58541) is a panel-mounted power analyser designed for standard 96 x 96 mm cutouts, measuring electrical energy quality variables across four input channels. It analyses individual voltage and current harmonics up to the 31st order and communicates over RS-485 using Modbus RTU or BACnet. With four-quadrant measurement capability covering both consumption and generation, it suits low- and medium-voltage installations including those with photovoltaic or backup generation.

Technical specifications:

• Model: CVM-C11
• Full model code: CVM-C11-ITF-IN-485-ICT2
• Circutor code: M58541
• EAN: 8433059359225
• Mounting: Panel, 96 x 96 mm
• Dimensions (W x H x D): 96 x 96 x 67.2 mm
• Weight: 0.363 kg
• AC supply voltage: 100-270 V AC, ±10%, 50-60 Hz
• DC supply voltage: 100-270 V DC, ±10%
• Supply installation category: CAT III 300 V
• Supply consumption: 2-5 VA
• Nominal current input: .../5 A or .../1 A
• Minimum measurable current: 10 mA
• Current measurement accuracy: 0.2% (1-120% In)
• Measuring channels: 4
• Nominal voltage: 230 V Ph-N / 380 V Ph-Ph
• Voltage measurement range: 10 V to 300 V F-N / 520 V F-F
• Voltage input impedance: greater than 1.7 MΩ
• Voltage measurement accuracy: 0.2% (5-120% Un)
• Frequency range: 45-65 Hz
• Harmonic analysis: up to 31st order
• Active power accuracy: 0.5% ±2 digit
• Reactive power accuracy: 1% ±2 digit
• Power factor accuracy: 0.5%
• Communication protocol: Modbus RTU / BACnet
• Communication interface: RS-485
• Digital inputs: 2, NPN, 2000 V isolation
• Relay outputs: 2, max 625 VA / 75 W (AC1), mechanical life 10x10^6 cycles
• Transistor outputs: 2, NPN, 24 V DC, max 50 mA, 16 imp/s, pulse width 30-400 ms (programmable)
• Front protection: IP 54
• Impact resistance: IK 08
• Enclosure material: Self-extinguishing V0 plastic
• Working temperature: -25 to +70 °C
• Storage temperature: -25 to +75 °C
• Relative humidity: 5-95% (non-condensing)
• Pollution resistance: 2
• Maximum installation height: 2000 m
• Display: Backlit LCD (Custom COG)
• Keyboard: 3 keys
• LEDs: 2
• Standards: EN IEC 61326-1, EN IEC 61557-12, EN 61010-1, EN 61010-2-030, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 61000-4-8, EN 61000-4-11, UL 94, UNE-EN 60068-2-1, UNE-EN 60068-2-2, UNE-EN 60068-2-78

Features and benefits:

• Four-quadrant measurement (Q1-Q4) handles both energy consumption and generation, making it compatible with grid-tied solar PV and backup generator setups.
• Neutral current measurement enables detection of phase imbalance and overloads on the neutral conductor, supporting safer installation monitoring.
• Three-tariff energy discrimination via two digital inputs allows consumption to be allocated by work shift or energy source - grid, generator, or photovoltaic generation.
• Configurable alarm control with 2 relay outputs and 2 NPN transistor outputs can trigger on any instantaneous measured or calculated parameter, with adjustable hysteresis, NO/NC selection, connection and disconnection delays, and interlock settings.
• On-screen CO2 emission and energy cost tracking per tariff, alongside graphical display of instantaneous active power and all four quadrants, with numerical cos/PF indication.

Applications:

• Power quality monitoring in industrial switchboards, including THD measurement and harmonic analysis to the 31st for each phase of voltage and current.
• Multi-source energy accounting in facilities combining mains supply with solar PV generation or diesel generators, using tariff discrimination to separate consumption by source.
• Shift-based energy cost tracking in manufacturing environments, using three-tariff mode to allocate consumption across different production periods.
• Alarm and protection schemes in low- and medium-voltage panels, using relay and transistor outputs to signal out-of-tolerance power quality conditions or energy thresholds.

Also known as: Circutor CVM-C11, CVM-C11 M58541, CVM-C11-ITF-IN-485-ICT2, panel power analyser RS-485 Modbus, Circutor M58541 power analyser.