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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
For Your Every Summer RSVP, with Code: SUMMER15
Description
Mastervolt AC Master Inverter With UK Socket (12V / 2500W)The Mastervolt AC Master power inverter produces a pure sine wave AC (Alternating Current) output from a DC (Direct Current) input from your boats battery bank. Because of the pure sine wave output, it is safe and reliable and prevents damage to the equipment it is connected to. The inverter is easy to install and features built in protection against over temperature, overload, short circuit, high or low battery voltage and reverse polarity. The power
The Mastervolt AC Master power inverter produces a pure sine wave AC (Alternating Current) output from a DC (Direct Current) input from your boats battery bank. Because of the pure sine wave output, it is safe and reliable and prevents damage to the equipment it is connected to. The inverter is easy to install and features built in protection against over-temperature, overload, short circuit, high or low battery voltage and reverse polarity. The power inverter is robustly built and delivers the full output even in demanding conditions. The high frequency technology used eliminates noise typically associated with power inverters, such as buzzing or humming. It also features an automatic power saving mode, meaning a longer run time and less strain on your batteries. The 28212500 model is MasterBus compatible and can be used with remote control M70405080 for easy operation. With the 2500 Watt model, you can use a 3 phase system, or combine up to 15 units in parallel for higher power outputs. General specifications Output voltage: 230/240 V - 50/60 Hz (selectable) Output waveform: true sine Nominal battery voltage: 12 V Recommended battery capacity: �� 270 Ah Continuous power at 25 C / 77 F, cos phi 1: 2500 W Continuous power at 40 C / 104 F, cos phi 1: 2500 W Peak load (3 s): < 3000 W Peak load (< 0.2 s): < 4000 W AC connection: hardwired with UK plug Galvanisedanic isolation: yes Efficiency: 88 % Parallel configuration: yes, up to 15 units 3-Phase configuration: yes, 3 units Display/read-out: LED indication: battery voltage, load level, status Alarms: potential free alarm contact Dimensions, hxwxd: 283 x 436 x 128mm (11.1 x 17.2 x 5.0 inch) Weight: 8 kg (17.6 lb) Compliance: CE, E-mark, RCM Technical specifications Technology: high frequency, input & output fully isolated Low battery voltage, switches off at: 10.5 V Low battery voltage, switches on at: 12.5 V High battery voltage, switches off at: 16.5 V High battery voltage, switches on at: 14.5 V Input current (nominal load): 250 A No-load power consumption (ON mode): < 3.6 A No-load power consumption (energy saving mode): < 1.1 A Minimal DC fuse (slow blow): 300 A Minimal cable size: 95mm? Harmonic distortion typical: < 5 % Cos phi: all power factors allowed Transfer system: integrated, automatic (inverter to grid: 8~10 ms, grid to inverter: 16~50 ms). Not for parallel & 3-phase operation (external transfer system possible) Temperature range (ambient temp.): -20 C to 60 C, derating power > 40 C (-4 F to 140 F) Cooling: temperature and load controlled fan Protection degree: IP21, horizontal wall mounting Protections: over-temperature, overload, short circuit, high/low voltage, reverse polarity (fuse) MasterBus compatible: yes, using a MasterBus AC Master InterfaceShipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Great Shelves! Drywall Anchors are the Bomb!
These shelves are very plain as I hoped they would be so as to not take away from the items displayed. The blue is true to the images so I was impressed by that. Word of knowledge: if you do not hit any studs, don’t use the mollies that came with them; use plastic drywall anchors! They work amazingly well!
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Reviewed in the United States on May 27, 2026
★★★★★ 4
Pretty shelves for small space
Size: 17 Inch, Color: Natural
Good quality shelves and easy to install once I used my own stronger anchors and screws. The ones provided were too weak and made the shelf unstable. I had to patch several holes in my wall before installing them correctly. If they had provided better quality anchors I would have rated it 5 stars. Still very happy with my purchase.
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Reviewed in the United States on July 12, 2025
★★★★★ 1
Flimsy and doesn’t hold weight
Size: 17 Inch, Color: Natural, Size: 17 Inch, Color: Natural
Do not buy this. The frame this comes with is so small and flimsy. I didn’t even have anything on the shelves yet and they were falling off the wall. The wood is a beautiful color but the quality is awful.
I had different floating shelves on the same wall and I included a picture of the thick metal frame those came with, also from Amazon to show how flimsy this brand is.
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Really nice shelves well-made
Size: 30 Inch, Color: Walnut, Size: 30 Inch, Color: Walnut
I recently installed a set of floating wooden shelves above my kitchen sink, and they have completely transformed the space. The natural wood grain adds warmth and character, making my kitchen feel more open and inviting. The shelves are sturdy and well-made, supporting everything from dishware to small plants and decorative items without any sagging.
Installation was straightforward, with the included hardware making it easy to mount them securely. I was pleasantly surprised by how well they hold weight while maintaining a sleek, minimalistic look. The floating design gives a clean, uncluttered aesthetic, which is exactly what I was looking for.
Functionally, they’ve made a huge difference. I can now keep everyday essentials like mugs and spices within easy reach while freeing up valuable counter space. They’re also a great alternative to upper cabinets, preventing the area above my sink from feeling closed in.
Overall, these floating wooden shelves are both practical and stylish. Whether you’re looking to add storage or just enhance your kitchen’s design, they’re a fantastic option. I highly recommend them for anyone wanting a simple yet impactful upgrade to their space!
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Reviewed in the United States on February 13, 2025
★★★★★ 3
Look nice, not sturdy or supportive
Size: 17 Inch, Color: Dark Blue
The color and thickness of the shelf is great. Very easy to install. But the wall mount portion is cheaply made and doesn’t support the shelf as well as it should. Once mounted the shelf leans forward and isn’t sturdy. After mounting, I found my items had slid off end up on the floor.
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Reviewed in the United States on January 24, 2026