Carlo Gavazzi WM20AV53L WM20 modular three-phase power analyser with 220-400 V L-N, 380-690 V L-L voltage input, 5 A CT input, 24-48 V AC/DC auxiliary supply and optional I/O and communication modules.
£354.67
The Carlo Gavazzi WM20AV53L is a smart modular three-phase power analyser designed for accurate electrical measurement, energy monitoring and power analysis in industrial and commercial installations. As part of the Carlo Gavazzi WM20 series, it provides flexible monitoring of single-phase, two-phase and three-phase networks while supporting future expansion through optional plug-in modules.
This panel-mounted analyser is ideal for electrical switchboards, control panels and energy management systems where reliable measurement and modular communication options are required. The WM20AV53L supports optional I/O and communication modules, allowing it to be configured for remote monitoring, alarm signalling, pulse outputs and integration with automation or building management systems.
With voltage inputs of 220–400 V L-N and 380–690 V L-L, plus 5 A current transformer inputs, the WM20AV53L is suitable for low-voltage three-phase distribution systems, machinery panels and commercial energy monitoring applications. Its 24–48 V AC/DC auxiliary power supply makes it well suited to installations using low-voltage control supplies.
Power analysers such as the Carlo Gavazzi WM20 are used to measure voltage, current, power, frequency, power factor and energy usage across electrical installations. This enables engineers, facilities teams and panel builders to monitor load behaviour, improve energy visibility and support preventative maintenance.
The WM20AV53L is especially suitable for switchboards and control panels where a low-voltage auxiliary supply is preferred. Its modular architecture allows communication and output modules to be added as required, making it suitable for standalone monitoring as well as integration into wider automation and energy management systems.
| Current | 5 A |
|---|---|
| Voltage | 400 V |
| Manufacturer | Carlo Gavazzi |
| Series | WM20 |
| Model | WM20AV53L |
| Product type | Modular three-phase power analyser |
| Voltage input | 220–400 V L-N / 380–690 V L-L |
| Current input | 5 (6) A via current transformers |
| Supported systems | Single-phase, two-phase and three-phase networks |
| Frequency | 50 / 60 Hz, up to 400 Hz |
| Energy metering | Consumption and generation |
| Auxiliary power supply | 24–48 V AC/DC |
| Communication | Optional modules for RS485 Modbus RTU, Ethernet Modbus TCP/IP, BACnet and Profibus |
| Outputs | Optional digital output modules for alarm, pulse or remote control |
| Display | Backlit LCD display |
| Configuration | Keypad, optical port or UCS configuration software |
| Mounting type | Panel mounting |
| Front protection rating | IP65 / NEMA 4X / NEMA 12 |
| Terminal protection rating | IP20 |
| Operating temperature | -25°C to +55°C |
| Approvals | CE, cULus, UKCA |
It is used to monitor electrical power, energy consumption, generation and network performance in single-phase, two-phase and three-phase electrical installations.
The WM20AV53L uses 5 (6) A current transformer inputs, making it suitable for standard CT-based electrical measurement systems.
This model uses a 24–48 V AC/DC auxiliary power supply, making it suitable for panels with low-voltage control supplies.
Yes, the WM20 platform supports optional communication modules for protocols such as Modbus, BACnet and Profibus, depending on the module fitted.
It is typically installed in electrical panels, switchboards and control cabinets where accurate power analysis and expandable energy monitoring are required.
Carlo Gavazzi WM20 power analysers are widely used by electrical engineers, panel builders and facilities teams for scalable energy monitoring, dependable measurement and integration into modern industrial electrical systems.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...