SKU: 20038064664

Victron Energy Meter ET340 - 3 phase - max 65A/phase

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Description

Victron Energy Meter ET340 - 3 phase - max 65A/phaseVictron ET340 Energy Meter: Precision Three Phase Monitoring for ESS and Solar Integration Advanced Energy Transducer for Grid, PV, and Generator Measurement The Victron ET340 Energy Meter is a high accuracy three phase energy transducer engineered for seamless integration with Victron Energy Storage Systems (ESS) and GX devices. Designed to monitor consumption and generation across all three phases, it provides the critical data needed to optimise

Victron ET340 Energy Meter: Precision Three-Phase Monitoring for ESS and Solar Integration

Advanced Energy Transducer for Grid, PV, and Generator Measurement

The Victron ET340 Energy Meter is a high-accuracy three-phase energy transducer engineered for seamless integration with Victron Energy Storage Systems (ESS) and GX devices. Designed to monitor consumption and generation across all three phases, it provides the critical data needed to optimise self-consumption, manage grid feed-in, and balance loads in residential and commercial installations. With a maximum current rating of 65 A per phase and direct connection capability, this meter is a reliable choice for electricians and system integrators seeking precise energy data without external current transformers.

Unlike generic energy meters, the ET340 offers Class 1 accuracy (EN62053-21) and ±0.5% RDG for current and voltage, ensuring your system makes decisions based on trustworthy measurements. Its dual RS485 ports enable flexible wired or wireless (Zigbee) communication with the Victron Color Control GX or Venus OS, allowing real-time monitoring and control via the VRM portal. Whether you are measuring grid import/export, PV inverter output, or AC generator performance, this meter delivers the granularity required for advanced energy management.

Key Features

  • Three-phase direct measurement up to 65 A per phase, eliminating the need for external CTs in most residential applications
  • Dual RS485 ports for daisy-chaining or redundant communication paths, supporting Modbus RTU protocol
  • Self-powered from the measured voltage (208–400 VAC L-L), simplifying installation and reducing component count
  • Compact 3-DIN module width (54 mm) for space-efficient DIN-rail mounting in distribution boards
  • Bidirectional metering captures both consumption and generation, essential for ESS and net metering setups
  • Wide operating temperature range (-20 to +65 °C) and IP20 front protection for indoor environments

Seamless Integration with Victron Ecosystem

The ET340 is purpose-built for the Victron GX ecosystem. Connect it directly to a Color Control GX via the RS485 to USB interface (cable lengths up to 100 metres supported) or use the optional Zigbee module for wireless communication. Once connected, the meter appears automatically in the GX device list, enabling features like:

  • ESS Grid Metering: Use as the primary grid meter for ESS systems, enabling precise control of grid set points and preventing backfeed.
  • PV Inverter Monitoring: Measure the output of single or three-phase PV inverters, allowing the GX device to log performance and adjust charging strategies.
  • Generator Metering: Monitor AC generator output to manage generator start/stop logic and track fuel consumption.
  • Dual-Function Wiring: In single-phase systems, a single ET340 can simultaneously measure the grid and a PV inverter on separate phases, reducing hardware costs.

For installers, the meter's clear terminal layout and included wiring diagrams simplify commissioning. The front-facing LEDs provide immediate visual feedback on power status and Modbus data transmission, aiding troubleshooting.

Built for Accuracy and Reliability

At the core of the ET340 is a proven Carlo Gavazzi measurement engine, delivering Class 1 kWh accuracy and ±0.5% reading accuracy for current and voltage. This level of precision ensures that your ESS responds correctly to small load changes, maximising self-consumption and reducing unnecessary grid draw. The meter's self-power supply design draws energy directly from the voltage inputs, eliminating the need for an auxiliary power source and reducing potential points of failure.

The robust DIN-rail enclosure is rated IP20 for front protection, suitable for installation in electrical cabinets and meter boxes. With an operating temperature range of -20 to +65 °C and humidity tolerance up to 90% non-condensing, it performs reliably in typical Australian indoor environments, from coastal garages to inland switch rooms.

Applications

  • Residential ESS: Pair with Victron MultiPlus-II and GX device for full home energy management, including time-of-use optimisation and grid outage backup.
  • Commercial Solar: Monitor three-phase solar production and building consumption to verify system performance and identify energy waste.
  • Off-Grid Systems: Measure generator input to automate start/stop based on battery state of charge, reducing runtime and maintenance.
  • Retrofit Projects: Add energy visibility to existing switchboards without major rework, thanks to the compact DIN-rail form factor.

By choosing the Victron ET340, you gain a meter that is fully supported by Victron's documentation, firmware updates, and global community. It is not a generic Modbus meter requiring complex configuration; it is recognised natively by Venus OS, reducing setup time and compatibility risks.

Take Control of Your Energy Data

Equip your Victron system with the ET340 Energy Meter and unlock the full potential of your installation. Whether you are commissioning a new ESS or upgrading an existing setup, this meter provides the accurate, real-time data needed to make informed energy decisions. Add the Victron ET340 to your order today and start monitoring with confidence.

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 20038064664

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4.6 ★★★★★
Based on 26 reviews
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Charlston T. Ang
Grantham, US
★★★★★ 5
Amazingly Comfortable — Like Sleeping in a Luxury Hotel Every Night
Color: White, Size: Queen(Pack of 2)
I rarely write reviews, but these Serta Hotel Collection pillows absolutely deserve one. From the very first night, they felt incredibly comfortable — soft yet supportive in all the right places. I tend to switch between back and side sleeping, and these pillows adjusted perfectly no matter my position. The 400-thread count cotton cover feels smooth and luxurious, and the gusseted edges give just the right amount of lift without feeling stiff. What really surprised me was how easy it was to adjust to them. Usually, it takes a few nights to get used to a new pillow, but I slept soundly from day one — no neck aches, no tossing and turning. They have that “hotel bed” feel — plush, breathable, and restful. Every morning, I wake up feeling like I stayed at a high-end resort. For the quality, comfort, and price, this set is an absolute win. Highly recommend to anyone looking to upgrade their sleep!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
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AW
Waukegan, US
★★★★★ 4
Amazing pillows!
Color: White, Size: Queen(Pack of 2)
These are fantastic pillows! A little background. I'm a side sleeper and toss and turn throughout the night. I've struggled with sleep issues for literally decades - insomnia, tossing and turning, waking up multiple times a night to use the bathroom, waking up way too early and not being able to get back to sleep. Every night it's a combo of those things or all of those things. I've also had some neck pain and stiffness for a couple of months. If you've ever dealt with that you know it will affect sleep which will then affect productivity and mood. It's a terrible spiraling and compounding thing to deal with, very stressful. I figured the contour pillow I had which once was actually helping was unfortunately the culprit. So I went on the hunt for another pillow. I ordered what I thought was the old Rejuvenite pillow (those were fabulous!) and got burned on a bait and switch. The pillow ended up being way too soft and gave me worse neck pain. Figuring I'd try to salvage what was a $115 pillow, I invested in a very thin pillow to put underneath. It was too high. Getting pretty frustrated, I ordered the cheaper Utopia pillows here on Amazon. Those actually were not terrible because they did take away my neck pain, but I was still tossing and turning at night and still feeling unrested in the morning. I decided I'd give it one last shot and luckily found these when they were discounted by a few bucks. They didn't have many reviews which was actually a great sign for me because it means the company lets their product speak for itself. I got these in several days and was thrilled to see upon opening the package that they were sealed and the directions do not require you to open the package and let them expand for 24 hours. You literally just take the edges and fluff 2-3 times and that's it! They are ready to go and they definitely do feel perfect after doing that. I was skeptical when I put them on my bed because they are soft and I worried they'd be too soft. I felt my head sink into the pillow a bit and then was surprised to feel at a certain point it just feels like the pillow is cradling your head with the right amount of support. I wouldn't describe it as firm, just soft but stable support. Really comfortable. But the real test was how it would perform during sleep. I'm so thrilled to report that I had an amazing night of sleep! No neck pain, no stiffness, zero tossing and turning, no insomnia, no waking up during the middle of the night, and no waking up early. I put my head down, fell asleep, and slept like a log for about 7.5 hours straight, which is literally unheard of in my world. I'm very lucky if I get 5 solid hours of sleep. I woke up and popped out of bed. My mood was great (still is later in the day) and I was not tired in the afternoon when I normally feel the fatigue kicking in. This is the first day for as long as I can remember that I do not feel that nagging tiredness behind my eyes and in my body that always seems to be a steady background actor in my life. I feel great and full of energy and I was able to tackle a bunch of tasks on my someday list. This is so promising I didn't want to wait to share. If you are on the fence and are dealing with similar issues to mine, I'd encourage you to just try these. What's also amazing is these come in a set. I'm only using one so I basically have another one to use if the first one ever fails. This is the best investment for sleep I've ever made! Update: Well, after a trial period I'm removing a star because my dreamy sleep was short lived. I started to wake up more frequently during the night with these and gave up midway through the night one night. I'm still using these for back support while I sit up or hang out in bed because they are still super comfortable that way and oddly these work well for naps. Hopefully, you have better luck than me!
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Reviewed in the United States on February 21, 2026
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Ana Barbara guerra
Fort Morgan, US
★★★★★ 5
Actually feels like a hotel stay
Color: White, Size: Queen(Pack of 2), Color: White, Size: Queen(Pack of 2)
I've been looking for that specific hotel feel without spending a fortune, and these Serta pillows nailed it. They are categorized as medium-firm, which I find perfect, they have that initial plush softness when you lay down, but they don't flatten out completely by morning. The 400-thread-count cotton cover feels high quality and breathable, so I haven't dealt with any overheating. I'm a side sleeper and my husband sleeps on his back, and we both find them super comfortable. If you want a pillow that balances support with that cloud like luxury these are a great pick.
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Reviewed in the United States on April 23, 2026
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Paige
Omaha, US
★★★★★ 3
Decent
Color: White, Size: Queen(Pack of 2)
They are only used as a backup pillow for my special pillows I use since I have pillows with holes in the middle for my earrings. I also use them for when I lean on my headboard to watch tv. I like them they are squishy. Kind of expensive I feel like but not terrible
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Reviewed in the United States on May 25, 2026
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Verified Purchase
Fredy gonzalez
Boise, US
★★★★★ 5
I love these pillows
Color: White, Size: Queen(Pack of 2)
Very good pillows, comfortable and with that hotel style. They have medium firmness, so they work well for any sleeping position. They feel fresh, of good quality and do not crush easily. Excellent purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026

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