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Description
ZB4BG212Main Range of product Harmony XB4 Product or component type Head for key selector switch Device short name ZB4 Bezel material Chromium plated metal Mounting diameter 22 mm Head type Standard Sale per indivisible quantity 1 Shape of signaling unit head Round Operator profile Black key switch Type of operator Stay put Operator position information 2 positions 90 Type of keylock Ronis 421E Key withdrawal position Left Complementary CAD overall width 29
Main
| Range of product | Harmony XB4 |
| Product or component type | Head for key selector switch |
| Device short name | ZB4 |
| Bezel material | Chromium plated metal |
| Mounting diameter | 22 mm |
| Head type | Standard |
| Sale per indivisible quantity | 1 |
| Shape of signaling unit head | Round |
| Operator profile | Black key switch |
| Type of operator | Stay put |
| Operator position information | 2 positions 90° |
| Type of keylock | Ronis 421E |
| Key withdrawal position | Left |
Complementary
| CAD overall width | 29 mm |
| CAD overall height | 29 mm |
| CAD overall depth | 72 mm |
| Net weight | 0.098 kg |
| Resistance to high pressure washer | 7000000 Pa at 55 °C, distance : 0.1 m |
| Mechanical durability | 1000000 cycles |
| Electrical composition code | C3 for <6 contacts using single blocks in front mounting C4 for <6 contacts using single and double blocks in front mounting C5 for <5 contacts using single blocks in front mounting C6 for <5 contacts using single and double blocks in front mounting C7 for <4 contacts using single blocks in front mounting C8 for <4 contacts using single and double blocks in front mounting C11 for <3 contacts using single blocks in front mounting C15 for <1 contacts using single blocks in front mounting |
| Device presentation | Basic element |
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 |
| Standards | EN/IEC 60947-1 GB 14048.5 EN/IEC 60947-5-4 EN/IEC 60947-5-5 EN/IEC 60947-5-1 CSA C22.2 No 14 UL 508 |
| Product certifications | DNV LROS (Lloyds register of shipping) CSA BV UL listed RINA 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 |
| Toxic heavy metal free | Yes |
| 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
4.5 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 4
Great illustrations but not sure about the story
Format: Board book
My toddler is obsessed with all things fish, so when she picked out The Rainbow Fish from Amazon search. The illustrations are gorgeous, and my daughter is mesmerized by the sparkly, foil-like scales on the fish. She keeps pointing at them every time we read it, and it’s become a bedtime favorite just for the shiny colors!
One thing I found a little odd is the story: the Rainbow Fish gives away all her beautiful scales to make friends. It’s a sweet message about sharing, but as a parent I admit it made me scratch my head a bit (I wasn’t sure if my toddler really gets why the fish parts with all her sparkles). Still, it’s a friendly tale and we enjoy reading it together.
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Reviewed in the United States on March 3, 2026
★★★★★ 5
The Good Democracy is at Risk
Format: Kindle
This is as close to a page-turner as a prosecutor's brief can get. No words are wasted as the author describes how Donald Trump and his minions have used their raw power to lay waste to the "good" that is the beating heart of American democracy, putting democracy itself at risk. Only the people can fix it.
Abuelo
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Sweet Book for Caterpillar-Loving Kids and Dads
Format: Hardcover, Format: Hardcover
This is such a cute little book, especially for families who already love The Very Hungry Caterpillar. The story is sweet, simple, and perfect for reading together, making it a great gift for Father’s Day, birthdays, or just a special book for dads and their children to share.
My daughter loves The Very Hungry Caterpillar, so she was immediately interested in this book. The illustrations are colorful and engaging, and the message about the bond between a child and their dad is really heartwarming.
Overall, a wonderful addition to any child’s bookshelf and a meaningful book to read together.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Sweet, Simple, and Full of Love🙌🏽❤️
Format: Hardcover, Format: Hardcover
I Love Dad” is such a precious little book, especially if you’re a fan of The Very Hungry Caterpillar. It keeps that same classic Eric Carle charm—bright, colorful illustrations and a sweet, simple message that really tugs at your heart.
It’s the perfect way for little ones to express love for Dad in a fun and meaningful way. My daughter loved pointing out the animals and colors, and it’s become one of our go-to bedtime reads. 🥹
The wording is short and sweet, it’s easy for toddlers to understand, and perfect for new readers to follow along. It also makes such a thoughtful gift for Father’s Day, a baby shower, or just because.
If you’re looking for a feel-good story that celebrates dads with love and playfulness, this book is a total gem. 💙📖
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Reviewed in the United States on June 28, 2025
★★★★★ 5
Perfect father's day gift
Format: Hardcover
Such a cute gift for father's day 💓
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026