WM40AV53L – WM40 base with 18-60V AC/DC power supply 400V/5A input
Carlo Gavazzi WM40AV53L modular three-phase power analyser with 220-400 V L-N, 380-690 V L-L inputs, 5 A current transformer input, 24-48 V AC/DC auxiliary supply and optional communication modules.
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Why Choose the Carlo Gavazzi WM40AV53L Power Analyser?
The Carlo Gavazzi WM40AV53L is a modular three-phase power analyser designed for accurate electrical measurement, energy monitoring and power quality analysis in industrial and commercial installations. As part of the Carlo Gavazzi WM40 series, it provides comprehensive monitoring of electrical systems while supporting optional communication and I/O modules for seamless integration into automation and energy management platforms.
Designed for installation in switchboards and control panels, the WM40AV53L delivers precise measurement of voltage, current, active and reactive power, energy consumption and harmonic distortion. Its modular architecture enables expansion with optional communication interfaces and input/output modules, allowing the analyser to adapt to a wide range of monitoring applications.
Supporting 220–400 V L-N and 380–690 V L-L electrical systems with 5 A current transformer inputs, the WM40AV53L is supplied by a 24–48 V AC/DC auxiliary power supply. It is ideally suited to industrial machinery, building management systems and electrical distribution panels requiring reliable energy measurement and system diagnostics.
Key Advantages
Modular three-phase power analyser for comprehensive electrical monitoring.
220–400 V L-N and 380–690 V L-L voltage measurement capability.
5 (6) A current transformer input for industrial applications.
24–48 V AC/DC auxiliary supply for flexible installation.
Expandable with optional communication and I/O modules.
Ideal for industrial energy management, automation and building monitoring systems.
Key Features
Carlo Gavazzi WM40 modular power analyser series.
Three-phase network analysis and energy monitoring.
220–400 V L-N voltage input range.
380–690 V L-L voltage input range.
5 (6) A current transformer input.
24–48 V AC/DC auxiliary power supply.
Optical programming port for fast configuration.
Supports optional RS485, Ethernet, BACnet and Profibus communication modules.
Reliable Monitoring for Industrial Power Systems
The Carlo Gavazzi WM40AV53L continuously measures essential electrical parameters, allowing engineers and maintenance teams to monitor energy consumption, detect abnormal operating conditions and optimise system performance. Its advanced measurement capabilities support preventative maintenance and improved operational efficiency across industrial and commercial installations.
The WM40 modular platform can be expanded using dedicated communication and I/O modules, enabling straightforward integration into SCADA systems, building management systems and industrial automation networks. This flexibility makes the analyser suitable for both new installations and retrofit projects.
Typical Applications
Industrial electrical distribution panels.
Energy management and monitoring systems.
Building management systems.
Automation and process control panels.
Commercial and industrial switchboards.
Power quality monitoring and energy analysis.
Technical Specifications
Current
5 A
Voltage
400 V
Manufacturer
Carlo Gavazzi
Series
WM40
Model
WM40AV53L
Product type
Modular three-phase power analyser
Voltage input
220–400 V L-N
Line voltage input
380–690 V L-L
Current input
5 (6) A current transformer input
Auxiliary power supply
24–48 V AC/DC
Frequency
50 / 60 Hz, up to 400 Hz
Energy metering
Consumption and generation
Mounting type
Panel mounting
Display
Backlit LCD display
Protection rating
IP20 body, IP65 front
Communication
Optional RS485, Ethernet, BACnet and Profibus modules
Approvals
CE, cULus, UKCA
Frequently Asked Questions
What is the Carlo Gavazzi WM40AV53L used for?
The WM40AV53L monitors electrical parameters, energy consumption and power quality in single-phase and three-phase electrical systems.
What current transformers does the WM40AV53L support?
The analyser is designed for use with 5 (6) A current transformer inputs.
What auxiliary supply does this model require?
The WM40AV53L operates from a 24–48 V AC/DC auxiliary power supply.
Can communication modules be added?
Yes. The modular design supports optional RS485, Ethernet, BACnet and Profibus communication modules along with additional I/O expansion modules.
Where is the WM40AV53L typically installed?
It is typically installed in switchboards, electrical distribution panels, industrial control panels and energy monitoring systems.
Trusted by Energy Monitoring Professionals Worldwide
Carlo Gavazzi WM40 power analysers are trusted by electrical engineers, panel builders and facility managers for delivering accurate energy measurement, scalable communication options and dependable long-term performance.
Current
5 A
Voltage
400 V
Manufacturer
Carlo Gavazzi
Series
WM40
Model
WM40AV53L
Product type
Modular three-phase power analyser
Voltage input
220–400 V L-N
Line voltage input
380–690 V L-L
Current input
5 (6) A current transformer input
Auxiliary power supply
24–48 V AC/DC
Frequency
50 / 60 Hz, up to 400 Hz
Energy metering
Consumption and generation
Mounting type
Panel mounting
Display
Backlit LCD display
Protection rating
IP20 body, IP65 front
Communication
Optional RS485, Ethernet, BACnet and Profibus modules
Approvals
CE, cULus, UKCA
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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Common questions about our products and support
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...