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Description
ZB4BVB1Main Range of product Harmony XB4 Product or component type Complete body light block assembly Device short name ZB4 Fixing collar material Zamak Sale per indivisible quantity 1 Connections terminals Screw clamp terminals, <= 2 x 1. 5 mm with cable end Screw clamp terminals, >= 1 x 0. 22 mm without cable end Light source Protected LED Bulb base Integral LED Light source colour White [Us] rated supply voltage 24 V AC DC at 50 60 Hz Complementary CAD
Main
| Range of product | Harmony XB4 |
| Product or component type | Complete body/light block assembly |
| Device short name | ZB4 |
| Fixing collar material | Zamak |
| Sale per indivisible quantity | 1 |
| Connections - terminals | Screw clamp terminals, <= 2 x 1.5 mm² with cable end Screw clamp terminals, >= 1 x 0.22 mm² without cable end |
| Light source | Protected LED |
| Bulb base | Integral LED |
| Light source colour | White |
| [Us] rated supply voltage | 24 V AC/DC at 50/60 Hz |
Complementary
| CAD overall width | 30 mm |
| CAD overall height | 47 mm |
| CAD overall depth | 37 mm |
| Terminals description ISO n°1 | (X1-X2)PL |
| Net weight | 0.054 kg |
| Tightening torque | 0.8…1.2 N.m conforming to EN 60947-1 |
| Shape of screw head | Cross compatible with Philips no 1 screwdriver Cross compatible with pozidriv No 1 screwdriver Slotted compatible with flat Ø 4 mm screwdriver Slotted compatible with flat Ø 5.5 mm screwdriver |
| [Ui] rated insulation voltage | 600 V (pollution degree 3) conforming to EN 60947-1 |
| [Uimp] rated impulse withstand voltage | 6 kV EN 60947-1 |
| Signalling type | Steady |
| Supply voltage limits | 19.2…30 V DC 21.6…26.4 V AC |
| Current consumption | 18 mA |
| Service life | 100000 h at rated voltage and 25 °C |
| Surge withstand | 1 kV conforming to IEC 61000-4-5 |
| Device presentation | Basic sub-assemblies |
Environment
| Protective treatment | TH |
| Ambient air temperature for storage | -40…70 °C |
| Ambient air temperature for operation | -40…70 °C |
| Electrical shock protection class | Class I conforming to IEC 60536 |
| Standards | EN/IEC 60947-1 JIS C8201-5-1 EN/IEC 60947-5-1 UL 508 CSA C22.2 No 14 EN/IEC 60947-5-5 EN/IEC 60947-5-4 JIS C8201-1 |
| Product certifications | LROS (Lloyds register of shipping) GL UL listed DNV CSA RINA BV |
| Vibration resistance | 5 gn (f= 2…500 Hz) conforming to IEC 60068-2-6 |
| Shock resistance | 30 gn (duration = 18 ms) for half sine wave acceleration conforming to IEC 60068-2-27 50 gn (duration = 11 ms) for half sine wave acceleration conforming to IEC 60068-2-27 |
| Resistance to fast transients | 2 kV conforming to IEC 61000-4-4 |
| Resistance to electromagnetic fields | 10 V/m conforming to IEC 61000-4-3 |
| Resistance to electrostatic discharge | 6 kV on contact (on metal parts) conforming to IEC 61000-2-6 8 kV in free air (in insulating parts) conforming to IEC 61000-2-6 |
| Electromagnetic emission | Class B conforming to IEC 55011 |
Offer Sustainability
| Sustainable offer status | Green Premium product |
| REACh Regulation | REACh Declaration |
| EU RoHS Directive | Pro-active compliance (Product out of EU RoHS legal scope) EU RoHS Declaration |
| Mercury free | Yes |
| RoHS exemption information | Yes |
| China RoHS Regulation | China RoHS declaration |
| Environmental Disclosure | Product Environmental Profile |
| Circularity Profile | End of Life Information |
| WEEE | The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins |
Contractual warranty
| Warranty | 18 months |
Shipping 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
4.9 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Great pillow
Size: King (Pack of 2), Color: Original White
Extremely satisfied. Comfortable. Soft but maintains support of my head and neck. Well made. High quality. Highly recommend.
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Reviewed in the United States on May 16, 2026
★★★★★ 4
Comfortable, cool and doesn't go flat.
Size: Standard (Pack of 1), Color: Original White
Great pillow. It stays cooler than most and it doens't go flat. The memory foam is firm enough that your head doesn't sink into it but soft enough for a good night sleep. Before I was fluffing and flipping my pillow all the time to get the cool spots and not feel like it was flat. This is my 2nd purchase, my son liked mine so much that I got him one too. It's good value for the price and I would definitely recommend it.
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Reviewed in the United States on February 23, 2026
★★★★★ 5
Firm for the Win- A pillow that provides support and value!
Size: Standard (Pack of 1), Color: Original White
If you are a firm pillow kind of person... and don't want to spend hundreds on a name brand pillow, then this one is a clear winner! Ideal for back and side sleepers, this pillow seems to adjust to your body over time- becoming more comfortable with more nights spent with it (kind of like a hotel pillow- the first night you're not sure, then you sleep like a baby when you get used to it!).
My husband—an avid memory foam pillow fan—was pleasantly surprised. It took a night or two to adjust, but once he did, this cool pillow’s contours supported his neck beautifully whether he was on his back or side (especially when I nudged him to stop snoring!).
This pillow seems best suited for folks who need a bit more elevation—those with broader shoulders or who prefer higher neck support. It feels solid and delivers the firm support many sleepers crave.
If you lean toward soft, squishy down pillows, this may not be your match. It’s ultra-firm and structured, not plush or compressible. But if firm is your jam, this pillow punches above its price point.
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Reviewed in the United States on November 3, 2025
★★★★★ 3
Nice pillow but now really cooling
Size: King (Pack of 1), Color: Original White
So I got the king size bed not realizing how big it was. So that’s a plus if you’re looking for a large pillow. However, it was too big for me so I will be returning. I also wasn’t impressed with the cooling feature. I have a cooling pillow that truly feels cool and this isn’t it. But the memory foam part of this was excellent. It came out of the packaged and within minutes was fluffy and ready for use. Aside from the size and cooling, I’d recommend this pillow. But I get hot at night so I’d like something more cooling.
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Reviewed in the United States on April 23, 2026
★★★★★ 5
Cool, supportive pillow that cradles my neck and keeps me comfortable all night long
Size: Standard (Pack of 2), Color: Original White
I’ve been using the Vaverto Memory Foam Pillow for a while now, and it has made a noticeable difference in how well I sleep. The gel‑infused memory foam keeps the pillow feeling cool and comfortable through the night, so I’m not constantly flipping it to find a cooler spot. The foam has a nice balance of softness and support, gently cradling my head and neck without feeling too firm or too flat
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Reviewed in the United States on June 3, 2026