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Description
ZB4BW443Main Range of product Harmony XB4 Product or component type Head for illuminated push button Device short name ZB4 Product compatibility Integral LED 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 Red mushroom 40 mm, unmarked Complementary CAD overall width 40 mm CAD overall height 40 mm CAD overall depth
Main
| Range of product | Harmony XB4 |
| Product or component type | Head for illuminated push-button |
| Device short name | ZB4 |
| Product compatibility | Integral LED |
| 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 | Red mushroom √ò 40 mm, unmarked |
Complementary
| CAD overall width | 40 mm |
| CAD overall height | 40 mm |
| CAD overall depth | 53 mm |
| Net weight | 0.051 kg |
| Resistance to high pressure washer | 7000000 Pa at 55 °C, distance : 0.1 m |
| Mechanical durability | 10000000 cycles |
| Electrical composition code | M1 for <6 contacts using single blocks in front mounting with integral LED M2 for <6 contacts using single and double blocks in front mounting with integral LED M6 for <2 contacts using single blocks in front mounting with integral LED and transformer M10 for <2 contacts using single blocks in front mounting with integral LED |
| 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 |
| 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 | IK05 conforming to EN 50102 |
| Standards | JIS C8201-5-1 EN/IEC 60947-1 EN/IEC 60947-5-1 EN/IEC 60947-5-5 CSA C22.2 No 14 UL 508 EN/IEC 60947-5-4 JIS C8201-1 |
| Product certifications | BV UL listed RINA CSA DNV LROS (Lloyds register of shipping) GL |
| 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
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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
4.4 ★★★★★
Based on 1748 reviews
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Product Reviews
★★★★★ 3
Disappointing
Format: Hardcover
I had high hopes. But this book seems to be more of a rosy retrospective of one college president years in charge than it is a real useful book about how to help students.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 22, 2025
★★★★★ 5
Reminds us of the value of a college education beyond academic facts and skills.
Format: Kindle
At a time when many students and families are questioning the value of a 4-year college education, Porterfield does a great job of describing the intangibles behind an earned degree. Many people are aware that there is more to a college education than academic facts and skills, but this book presents the case comprehensively. It identifies "soft skills" specifically and gives good examples of how they can be taught and learned in the college environment.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Loved it!
Format: Kindle
Mia is a ten-year-old Chinese immigrant. She had immigrated to California from China 2 years earlier with her parents, who were hoping for a better life. Unfortunately, the United States in the 1990s was not exactly welcoming to Chinese immigrants, and many struggled. Mia and her parents were no different. After gaining and losing several jobs and facing homelessness again, Mia's parents take a job managing a motel. Unfortunately, the motel owner - who is Taiwanese, not Chinese, as he is quick to point out - is not only overtly racist, he is also exploitive and seems almost happy to point out to Mia's parents that they could be replaced immediately when they question his actions.
But Mia and her parents try to make the best of it. Mia works the front desk when at the motel, quickly learning the ropes and consistently trying to find ways to help the guests and her family. She also becomes friends with the weeklies at the motel - those guests who live at the motel and pay weekly - and they quickly become part of her growing family.
At school, though, Mia struggles. She can't tell the other students - most of whom are white - that she lives in a motel. She struggles in English, though she loves writing, and she also has disagreements with her mother who thinks she should focus on math and forget about writing because "she'll never be able to write as well as the white kids" for whom English is their native language.
Most of the book is a slice-of-life look at running a hotel and Mia's struggle to integrate with the other students at school. Though it may seem to some that too much goes wrong at the motel in too short a period of time, I can say from experience that this depiction is incredibly realistic. While reading it, I was having flashbacks to my own experience managing a motel and running the front desk. The news Mia and her family get in chapter 55, in particular, hit hard on the feels for me, because my husband and I went through that same situation. We didn't use the same solution that Mia and her family did, and I definitely loved the solution they came up with.
Throughout the story were the letters that Mia wrote, each for a different situation. These were an added touch, helping to bring the reader back to the days of the early and mid-90s, before email was ubiquitous and text messaging was still a dream. Her struggle to put word to paper, to make sure she was using the right words and tenses, was an added dimension to the story that I didn't expect but definitely appreciated. The author's note at the end, where she discussed her own experiences was also incredibly moving, and I loved learning that much of the book's scenarios were pulled from her own experiences, while also wanting to give a hug to the child that had to experience that struggle.
I had the opportunity to listen to the audiobook, narrated by Sunny Lu, and I highly recommend it. Lu did a wonderful job with the narration, injecting just the right amount of emotion and tension into the performance. I had to force myself to stop listening so I could go to bed; had I not, I would have listened right through to the end and not getting any sleep. While I would have enjoyed the story, work the next day would not have been fun. Lol.
So, long review short, I definitely recommend this book. For younger readers, I would recommend a parent read with them, as there are some tough situations that they may need/want to talk about. But overall, this is a story of hope for an immigrant family who is struggling to make a better life for themselves.
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Reviewed in the United States on October 18, 2022
★★★★★ 5
A great book for all
Format: Paperback, Format: Paperback
What a great book. I bought it for my 12 year old granddaughter. A story of resilience.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
My favorite middle grade book of 2018 so far
Format: Hardcover, Format: Hardcover
I'll never look at a motel with the same eyes again. Author Kelly Yang brings us Mia Tang, a younger version of herself, who helped her parents manage a motel in southern California in the early 1990s.
Mia and her parents arrive from China with two hundred dollars, unwavering optimism, and the belief that if they work hard enough, they will achieve the American dream: a big house, a dog, and an endless supply of juicy hamburgers. After two years of backbreaking jobs and sketchy living conditions, Mia's parents rush to sign a contract to manage the Calista Motel located five miles from Disneyland.
Mr. Yao, the notoriously cheap and unscrupulous motel owner, informs the Tangs that the contract allows him to make any changes and if they don't like the terms, "Just say the word. There are ten thousand immigrants who would take your job in two seconds" (p. 27).
Mia quickly makes friends with the "weeklies" and assigns herself front desk duty because her parents must clean every room themselves and be available 24/7 to check in guests.
Mia's moxie and sense of justice emerge as she takes on adult responsibilities with a sense of pride and unbridled enthusiasm.
She makes plenty of mistakes which makes us empathize with her struggles and root for her as she tackles the english language, bullies, crime, and embarrassment about her thrift store clothes. (Keep your eyes open for the tale of the designer jeans.)
Chapters are vignettes that are strung along with seamless transitions to make reading a pure pleasure. The author captures Mia's voice so authentically that the reader is instantly drawn into the story. Mia's uses the power of the written word to advocate for herself and others.
Kids will fall in love with Mia and cheer her fierce determination as she navigates her way through poverty and injustice, bringing her family, the weeklies, and everyone else who want to be part of the American dream with her.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 12, 2018
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