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Description
ZB4BW065Main Range of product Harmony XB4 Product or component type Complete body contact assembly and light block Device short name ZB4 Fixing collar material Zamak Sale per indivisible quantity 1 Head type Standard Contacts type and composition 1 NO + 1 NC Contact operation Slow break Connections terminals Screw clamp terminals, <= 2 x 1. 5 mm with cable end conforming to EN 60947 1 Screw clamp terminals, >= 1 x 0. 22 mm without cable end conforming to EN
Main
| Range of product | Harmony XB4 |
| Product or component type | Complete body/contact assembly and light block |
| Device short name | ZB4 |
| Fixing collar material | Zamak |
| Sale per indivisible quantity | 1 |
| Head type | Standard |
| Contacts type and composition | 1 NO + 1 NC |
| Contact operation | Slow-break |
| Connections - terminals | Screw clamp terminals, <= 2 x 1.5 mm² with cable end conforming to EN 60947-1 Screw clamp terminals, >= 1 x 0.22 mm² without cable end conforming to EN 60947-1 |
| Light source | Bulb not included |
| Bulb base | BA 9s |
| Light block supply | Direct <2.4 W |
| [Us] rated supply voltage | <= 250 V |
Complementary
| CAD overall width | 30 mm |
| CAD overall height | 47 mm |
| CAD overall depth | 37 mm |
| Terminals description ISO n°1 | (11-12)NC |
| Net weight | 0.073 kg |
| Contacts usage | Standard |
| Positive opening | With conforming to EN/IEC 60947-5-1 appendix K |
| Operating travel | 1.5 mm (NC changing electrical state) 2.6 mm (NO changing electrical state) 4.3 mm (total travel) |
| Operating force | 2 N NC changing electrical state 2.3 N NO changing electrical state |
| Operating torque | 0.05 N.m NO changing electrical state |
| Mechanical durability | 5000000 cycles |
| 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 √ò 4 mm screwdriver Slotted compatible with flat √ò 5.5 mm screwdriver |
| Contacts material | Silver alloy (Ag/Ni) |
| Short-circuit protection | 10 A cartridge fuse type gG conforming to EN/IEC 60947-5-1 |
| [Ith] conventional free air thermal current | 10 A conforming to EN/IEC 60947-5-1 |
| [Ui] rated insulation voltage | 600 V (pollution degree 3) conforming to EN 60947-1 |
| [Uimp] rated impulse withstand voltage | 6 kV EN 60947-1 |
| [Ie] rated operational current | 3 A at 240 V, AC-15, A600 conforming to EN/IEC 60947-5-1 6 A at 120 V, AC-15, A600 conforming to EN/IEC 60947-5-1 0.1 A at 600 V, DC-13, Q600 conforming to EN/IEC 60947-5-1 0.27 A at 250 V, DC-13, Q600 conforming to EN/IEC 60947-5-1 0.55 A at 125 V, DC-13, Q600 conforming to EN/IEC 60947-5-1 1.2 A at 600 V, AC-15, A600 conforming to EN/IEC 60947-5-1 |
| Electrical durability | 1000000 cycles, AC-15, 2 A at 230 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to EN/IEC 60947-5-1 appendix C 1000000 cycles, AC-15, 3 A at 120 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to EN/IEC 60947-5-1 appendix C 1000000 cycles, AC-15, 4 A at 24 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to EN/IEC 60947-5-1 appendix C 1000000 cycles, DC-13, 0.2 A at 110 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to EN/IEC 60947-5-1 appendix C 1000000 cycles, DC-13, 0.5 A at 24 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to EN/IEC 60947-5-1 appendix C |
| Electrical reliability | Λ < 10exp(-6) at 5 V and 1 mA in clean environment conforming to EN/IEC 60947-5-4 Λ < 10exp(-8) at 17 V and 5 mA in clean environment conforming to EN/IEC 60947-5-4 |
| Signalling type | Steady |
| 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 60947-5-5 JIS C8201-5-1 CSA C22.2 No 14 EN/IEC 60947-5-4 EN/IEC 60947-1 UL 508 EN/IEC 60947-5-1 JIS C8201-1 |
| Product certifications | UL listed RINA CSA DNV GL BV LROS (Lloyds register of shipping) |
| 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 |
| 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
4.0 ★★★★★
Based on 276 reviews
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Product Reviews
★★★★★ 4
Adorable Take on You’ve Got Mail!
Format: Kindle
This book was absolutely adorable. It’s a sweet, bookish twist on You’ve Got Mail that made me smile from start to finish. I loved all the little nods to book culture (including a fun reference to Nora Ephron!).
Ryan was just the cutest, and Josie’s transformation felt really heartfelt. Yes, it was a little cheesy at times, but in the best possible way. The perfect cozy, feel-good read!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 27, 2025
★★★★★ 5
i couldn’t put it down
Format: Kindle
It’s 2 in the morning and I’ve just finished reading this. I haven’t had a book make me stay up late reading in bed since I was in high school. Sure I have books that I can’t put down but the draw to this one was so enticing. Every time I tried to go to sleep or do something else I kept reaching for my kindle wanting more.
I loved Josie and her character growth. I’ve felt how she feels, being guarded, feeling like you can’t show your true self, & what if when you are you people don’t like you or understand you. Seeing her let in chaos into her life was a simple reminder we all need that not everything has to be perfect.
Ryan or Rj was the picture perfect boyfriend and the ending had me in tears 😭 we all need a good listener in our life who will be there when it matters most. The way he’s painted in Josie’s eyes to the sweetheart he is inside was so nice. Also, the nerdy but cute vibes he gives off. & can I just say reading about a reader who has dyslexia made me so giddy because I work with kids like that.
I loved all of the lines about what reading was to them and why they got into reading. It made me feel so connected to the story line and reminded me why I read books. I loved the enemies to friends to lovers plot line. The story of them falling in love and how it happens differently for everyone.
The story has its cutesy romance moments which I thought I’d hate but came to love. Plus, it has some real emotional conversations that had a knot in my throat. I enjoyed the depth that the characters brought to the story.
The pacing was just perfect for me. A slow burn for the love to come in but I enjoyed their banter throughout. Plus all of their cute DMs back and forth were my favorite. One of my favorite things about the book is how it recognized the different types of readers there are and that it’s okay.
I will be thinking about this book all throughout the day and recommending it to everyone.
Read if you love:
💕 enemies to lovers
💕forced proximity
💕 slow burn
💕books about books
💕dual POV
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 18, 2025
★★★★★ 4
Love story with great character growth
Format: Kindle
You Got Mail vibes ☑️
Witty banter ☑️
Emotional vulnerability ☑️
I came for the romance about two bookstore managers vying to save their position and stayed for the character development, which is so well done.
Josie and Ryan avoid romantic relationships at all costs due to past trauma. Josie is stoic and loves literary works while Ryan is an easy-going romance book lover. Can opposites work together for the greater good? Can they find love with each other?
First as BookshopGirl, and RJ.Reads, and then as themselves, they learn to open up, heal old wounds, and connect on a deeper level. I couldn't help but cheer them on, and when they finally allowed each other in, my heart swooned.
And that epilogue ... ALL. THE. FEELS.
• Rivals to lovers
• Dual POV
• He falls first
• Slow burn
• Forced proximity
• Opposites attract
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2025
★★★★★ 5
excellent!
Format: Kindle
I think this book was specifically designed for me. Book nerds, enemies to lovers, friends to lovers, slow burn, badass FMC, adorable MMC, great banter, trust issues and oldest daughter issues. The romance and the banter was excellent! Ryan and Josie were great characters. I loved everything about this book. Can’t wait to read the next book by Ali Brady!
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Reviewed in the United States on June 10, 2026
★★★★★ 4
a cute read
Format: Kindle
This was a fun and fast read. Major You’ve Hot Mail vibes. This book was a giant validation of books and reading in general and of the romance genre specifically…not that I needed validation!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 30, 2025
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