Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
For Your Every Summer RSVP, with Code: SUMMER15
Description
ZB4BW36Main 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 Blue 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 | Blue 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 | EN/IEC 60947-1 JIS C8201-5-1 EN/IEC 60947-5-1 CSA C22.2 No 14 UL 508 EN/IEC 60947-5-4 EN/IEC 60947-5-5 JIS C8201-1 |
| Product certifications | DNV GL BV LROS (Lloyds register of shipping) CSA RINA UL listed |
| 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
4.9 ★★★★★
Based on 1485 reviews
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Product Reviews
★★★★★ 5
Comfortable and Supportive Ergonomic Chair
I bought this chair a while ago but just got around to give a honest review, and I am okay with its comfort and support. The adjustable lumbar support provides excellent lower back relief. Assembly was straightforward, and the chair feels sturdy and well-built. A great value for anyone seeking comfort and quality in an office chair.
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Reviewed in the United States on September 8, 2025
★★★★★ 4
Decent chair for the price
Bought this for my boyfriend as an upgrade from his old chair. The wicker material is super comfy and breathable so you're never sweaty from the chair. It's also hyper adjustable. My only con is the bottom seat piece; it is a little too narrow for my hips to fit nicely (I'm a bigger girl) but for my boyfriend it just fits. It is not a deal breaker but something to consider especially if you're wider like me. Also since the entire bottom seat is wicker with zero padding, the front lip of can be a little uncomfortable with the plastic under piece slightly pushing into your legs but its more bothersome than anything. For the price I feel pretty good about it.
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Reviewed in the United States on December 2, 2024
★★★★★ 5
Awesome chair and great design!
The mesh surface of this chair is incredibly comfortable and provides excellent elasticity, making it perfect for extended use. Assembly was a breeze thanks to the clear instructions provided. I also appreciate the adjustable air pump, which allows for easy height adjustments to suit my needs. The neck and lumbar supports are fully adjustable, aligning perfectly with my body to offer strong, customized support. Overall, it's an exceptionally cozy chair with a sleek, modern design that combines comfort with style.
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Reviewed in the United States on October 8, 2024
★★★★★ 5
Great support and easy to assemble!
Really can't complain about anything about this chair, it was delivered quickly, packaged very securely and very easy to put together with simple instructions. I work from home and am older with multiple joint problems and this chair has many different ways to be adjusted that really help, especially if I'm extra achy or sore. I really like how the arm rest can be angled so that I can access my keyboard at my desk ergonomically and the arms can be lifted up and out of the way all together so that I can position myself closer to the desk when needed. A really nice chair for a great price.
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Reviewed in the United States on December 6, 2024
★★★★★ 3
Great Chair, But Armrests Are a Nuisance
This ergonomic office chair has a lot going for it. The mesh back is comfortable and breathable, the adjustable lumbar support is excellent, and the 3D headrest is a welcome addition for long workdays. The rocking function is also a nice feature to have. Overall, the chair is very comfortable and supportive, and seems well-made with the SGS Class 4 gas cylinder.
However, there's one glaring flaw that constantly annoys me: the armrests. While they are 3D adjustable, meaning they move up and down, forward and back, and side to side, there's no way to lock them in place. This means that every time I shift in my seat or even just slightly bump the armrest, it moves. It's incredibly frustrating to constantly be readjusting them. It disrupts my focus and makes it hard to find a truly comfortable and consistent position.
If the armrests could be locked, this chair would be near perfect. As it stands, this one issue significantly detracts from the overall experience. If you're someone who fidgets or moves around a lot while sitting, I'd seriously consider whether you can live with armrests that constantly need readjustment. For me, it's a daily annoyance that makes me question whether I'd buy this chair again.
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Reviewed in the United States on February 4, 2025