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WM40AV43L – WM40 base with 18-60V AC/DC power supply 400V/1A input
Carlo Gavazzi WM40AV43L modular three-phase power analyser with 220-400 V L-N, 380-690 V L-L voltage inputs, 1 A current transformer input and 24-48 V AC/DC auxiliary supply.
£548.59
Why Choose the Carlo Gavazzi WM40AV43L Power Analyser?
The Carlo Gavazzi WM40AV43L is a modular three-phase power analyser designed for accurate energy monitoring, electrical measurement and load analysis in industrial and commercial installations. As part of the Carlo Gavazzi WM40 series, it provides flexible power monitoring with optional communication and I/O modules for integration into modern energy management systems.
This panel-mounted power analyser is built for demanding electrical distribution environments where reliable measurement of voltage, current, energy and power quality is required. Its modular format allows the base unit to be expanded with communication interfaces such as Modbus, BACnet, Ethernet or Profibus modules depending on the system requirements.
With voltage inputs covering 220–400 V L-N and 380–690 V L-L, plus 1 A current transformer input, the WM40AV43L is suitable for monitoring three-phase networks in control panels, switchboards, machinery and building services. Its 24–48 V AC/DC auxiliary supply makes it well suited to automation and control cabinet installations.
Key Advantages
- Modular three-phase power analyser for electrical energy monitoring.
- Suitable for 220–400 V L-N and 380–690 V L-L systems.
- 1 A current transformer input for CT-based measurement.
- 24–48 V AC/DC auxiliary power supply for control panel integration.
- Optional communication and I/O modules for flexible system expansion.
- Panel-mounted design ideal for switchboards and electrical distribution panels.
Key Features
- Carlo Gavazzi WM40 modular power analyser series.
- Three-phase electrical network monitoring.
- 220–400 V L-N voltage input range.
- 380–690 V L-L voltage input range.
- 1 (2) A current transformer input.
- 24–48 V AC/DC auxiliary supply.
- Optical port for configuration and communication support.
- Compatible with optional I/O and communication modules.
Accurate Energy Monitoring for Electrical Panels
Power analysers such as the Carlo Gavazzi WM40AV43L help facilities teams, panel builders and automation engineers monitor electrical consumption, system loading and power conditions across three-phase networks. By measuring key electrical parameters, the unit supports improved visibility of energy usage and helps identify inefficiencies in plant and building systems.
The WM40 series is designed around a modular architecture, allowing the analyser to be adapted to different applications through plug-in communication and I/O modules. This makes the WM40AV43L a practical choice for control panels, energy dashboards, building management systems and industrial monitoring installations.
Typical Applications
- Industrial electrical distribution panels.
- Energy monitoring and consumption analysis.
- Building management systems and facility monitoring.
- Control panels and automation cabinets.
- Switchboards and plant room metering.
- Three-phase load monitoring in commercial and industrial sites.
Technical Specifications
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| Measurement Connection Type | CT connection | |
|---|---|---|
| Measurement Functions | Power | |
| Device Type | Power / energy analyser | |
| Phase | Three Phase | |
| Signal / Input Range | AC V / A (TRMS), DC V / A | |
| Coil / Supply Voltage | 18–60 V AC/DC | |
| Communication | BACnet, Ethernet, PROFIBUS DP, RS485 | |
| Current | 1 A | |
| Voltage | 400 V | |
| Manufacturer | Carlo Gavazzi | |
| Series | WM40 | |
| Model | WM40AV43L | |
| Product type | Modular three-phase power analyser | |
| Voltage input | 220–400 V L-N | |
| Line voltage input | 380–690 V L-L | |
| Current input | 1 (2) A current transformer input | |
| Auxiliary power supply | 24–48 V AC/DC | |
| Frequency | 50 / 60 Hz, up to 400 Hz | |
| Measured networks | Single-phase, two-phase and three-phase systems | |
| Mounting type | Panel mounting | |
| Communication | Optional RS485, Ethernet, BACnet and Profibus modules | |
| I/O expansion | Optional digital, analogue and input/output modules | |
| Approvals | CE, cULus, UKCA |
Frequently Asked Questions
What is the Carlo Gavazzi WM40AV43L used for?
The WM40AV43L is used for monitoring and analysing electrical parameters in single-phase, two-phase and three-phase power systems.
What voltage range does the WM40AV43L support?
It supports 220–400 V L-N and 380–690 V L-L voltage inputs, making it suitable for a wide range of industrial electrical networks.
What current input does this model use?
The WM40AV43L is designed for use with 1 (2) A current transformer inputs.
Does the WM40AV43L support communication modules?
Yes, the WM40 series supports optional communication modules including RS485, Ethernet, BACnet and Profibus options depending on the installation requirements.
Where is this power analyser typically installed?
It is typically installed in electrical control panels, switchboards, distribution boards and automation cabinets.
Trusted by Energy Monitoring Professionals Worldwide
Carlo Gavazzi WM40 power analysers are widely used by panel builders, energy managers and automation engineers for reliable electrical measurement, energy monitoring and modular system integration.
