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Description
ZB4BW31Main Range of product Harmony XB4 Product or component type Head for illuminated push button Device short name ZB4 Product compatibility BA 9s Bezel material Chromium plated metal Head type Standard Mounting diameter 22 mm Sale per indivisible quantity 1 Shape of signaling unit head Round Type of operator Spring return Operator profile White flush, unmarked Operator additional information With plain lens Complementary CAD overall width 29 mm CAD
Main
| Range of product | Harmony XB4 |
| Product or component type | Head for illuminated push-button |
| Device short name | ZB4 |
| Product compatibility | BA 9s |
| Bezel material | Chromium plated metal |
| Head type | Standard |
| Mounting diameter | 22 mm |
| Sale per indivisible quantity | 1 |
| Shape of signaling unit head | Round |
| Type of operator | Spring return |
| Operator profile | White flush, unmarked |
| Operator additional information | With plain lens |
Complementary
| CAD overall width | 29 mm |
| CAD overall height | 29 mm |
| CAD overall depth | 32 mm |
| Net weight | 0.027 kg |
| Resistance to high pressure washer | 7000000 Pa at 55 °C, distance : 0.1 m |
| Mechanical durability | 10000000 cycles |
| Electrical composition code | M7 for <6 contacts using single blocks in front mounting with BA 9s M8 for <6 contacts using single and double blocks in front mounting with BA 9s M9 for <2 contacts using single blocks in front mounting with BA 9s and transformer |
| Device presentation | Basic sub-assemblies |
Environment
| Protective treatment | TH |
| Ambient air temperature for storage | -40…70 °C |
| Ambient air temperature for operation | -40…55 °C |
| Overvoltage category | Class I conforming to IEC 60536 |
| IP degree of protection | IP66 conforming to IEC 60529 IP67 IP69 IP69K |
| NEMA degree of protection | NEMA 13 NEMA 4X |
| IK degree of protection | IK06 conforming to EN 50102 |
| Standards | CSA C22.2 No 14 JIS C8201-5-1 UL 508 EN/IEC 60947-1 EN/IEC 60947-5-1 EN/IEC 60947-5-5 EN/IEC 60947-5-4 JIS C8201-1 |
| Product certifications | GL UL listed RINA DNV CSA LROS (Lloyds register of shipping) 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 |
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 |
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
4.7 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Looks beautiful! Easy to use.
Color: Transparent Grey
This bottle looks so nice on my sink. It keeps my sponge put away. The smoky color is pretty, but I can see how much soap is left inside. Compact design takes up little room on sink.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Good soap/sponge holder alternative
Color: White
Nice upgrade to the one I already had as it saves more space and holds a good amount of soap. It looks modern and fits my clean aesthetic. It’s a plastic material so it won’t rust easily. Overall it’s a good quality and has held up great in the past few months.
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Reviewed in the United States on November 28, 2025
★★★★★ 1
Leaks and cap is broken
Color: Transparent Grey, Color: Transparent Grey
I really like the looks and the idea. It leaks since day one, and I was too lazy to return and kept coping with it. Now the cap was broken and I cannot stand anymore. That's why you are seeing this review.
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Reviewed in the United States on August 20, 2024
★★★★★ 4
Very good all-around soap dispenser
Color: White
I tried out this soap dispenser as somebody who has just used the retail bottle with a free floating sponge for...decades. Right off the bat, what I most appreciate is the built-in sponge holder, eliminating the sponge living in a perpetual balance act on some portion of the sink, often taking a dive into the cold, murky water of a soaking dish. The holder fits a basic Scotch-Brite sponge/scour pad perfectly.
The soap dispenser is much lighter than I assumed at first glance, and bigger than I thought it would be from the photos, but these turned out to be welcome attributes. It can hold nearly a full 24oz bottle of Dawn dishsoap.
The color of the plastic is a little more off-white than the pictures, which was also welcome as it's less assuming on the kitchen sink. It looks like it has a bamboo base, or some other light colored wood that matches the off-white very well. I don't mean to get too deep on the appearances, but suffice to say, it's bland enough to blend in with a lot of different decors.
The only reason for four stars is that the sponge holder has no way to drain, so over time, it's going to get pretty gross in there and require a clean out. However, the plastic seems pretty basic, so my hunch is that it would be easy to drill a few small holes at the bottom of the sponge holder to allow any accumulated liquid to drain out and prolong the period in between soap dispenser cleanouts.
The price tag is a little steep at the time of this writing ($21.49). However, the return on that investment is the piece of mind of keeping the sponge in ONE place, always at the ready and being able to dispense a predictable amount of soap each time instead of flipping the cap of the retail bottle and inevitably getting a sinkful's worth of soap for a single coffee cup.
Overall, I'm pretty pleased with this and would recommend it.
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Reviewed in the United States on October 20, 2023
★★★★★ 5
It doesn’t leak.
Color: White
I have tried a few soap dispensers and had a problem with all of them. This one is the best. It doesn’t leak. It’s sturdy. It stays clean and it doesn’t take up room on your sink. I thought it was decently priced. This is a winner.
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Reviewed in the United States on February 1, 2026