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Description
XB4BW33B5Main Range of product Harmony XB4 Product or component type Illuminated push button Device short name XB4 Bezel material Chromium plated metal Fixing collar material Zamak Mounting diameter 22 mm Sale per indivisible quantity 1 Head type Standard Shape of signaling unit head Round Type of operator Spring return Operator profile Green flush Operator additional information With plain lens Contacts type and composition 1 NO + 1 NC Contact operation Slow
Main
| Range of product | Harmony XB4 |
| Product or component type | Illuminated push-button |
| Device short name | XB4 |
| Bezel material | Chromium plated metal |
| Fixing collar material | Zamak |
| Mounting diameter | 22 mm |
| Sale per indivisible quantity | 1 |
| Head type | Standard |
| Shape of signaling unit head | Round |
| Type of operator | Spring return |
| Operator profile | Green flush |
| Operator additional information | With plain lens |
| 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/IEC 60947-1 Screw clamp terminals, 1 x 0.22...2 x 2.5 mm² without cable end conforming to EN/IEC 60947-1 |
| Light source | Protected LED |
| Bulb base | Integral LED |
| [Us] rated supply voltage | 24 V AC/DC at 50/60 Hz |
Complementary
| Height | 47 mm |
| Width | 30 mm |
| Depth | 57 mm |
| Terminals description ISO n°1 | (21-22)NC (13-14)NO |
| Net weight | 0.097 kg |
| Resistance to high pressure washer | 7000000 Pa at 55 °C, distance : 0.1 m |
| Contacts usage | Standard contacts |
| 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 | 3.5 N NC changing electrical state 3.8 N |
| Mechanical durability | 10000000 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/IEC 60947-1 |
| [Uimp] rated impulse withstand voltage | 6 kV EN/IEC 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 |
| Supply voltage limits | 19.2…30 V DC 21.6…26.4 V AC |
| Current consumption | 18 mA |
| Service life | 100000 h at rated voltage and 25 °C |
| Surge withstand | 1 kV conforming to IEC 61000-4-5 |
| Device presentation | Complete product |
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 |
| 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 IEC 50102 |
| Standards | EN/IEC 60947-5-1 JIS C8201-5-1 EN/IEC 60947-5-5 CSA C22.2 No 14 EN/IEC 60947-5-4 EN/IEC 60947-1 UL 508 JIS C8201-1 |
| Product certifications | LROS (Lloyds register of shipping) DNV BV GL RINA UL listed CSA |
| 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 |
| Resistance to fast transients | 2 kV conforming to IEC 61000-4-4 |
| Resistance to electromagnetic fields | 10 V/m conforming to IEC 61000-4-3 |
| Resistance to electrostatic discharge | 6 kV on contact (on metal parts) conforming to IEC 61000-4-2 8 kV in free air (in insulating parts) conforming to IEC 61000-4-2 |
| Electromagnetic emission | Class B conforming to IEC 55011 |
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
4.5 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Best laptop sleeve on the market — and I've tried plenty!
Size: 13.3 inch, Color: Black, Size: 13.3 inch, Color: Black
As someone who reviews products regularly, I have pretty high standards and I don't hand out 5 stars easily. But this MOSISO sleeve? Completely earned it. I've tested a lot of laptop cases over the years and this one genuinely stands out from the crowd.
The quality is immediately noticeable right out of the box — the material feels premium, looks sleek, and has held up flawlessly through heavy daily use. No pilling, no wear, no disappointment.
The fit on my 13-inch MacBook is perfect. Snug without being tight, and sliding the laptop in and out is effortless every time. The zipper is smooth, the padding is substantial, and it slips into my bag without adding unnecessary bulk. I've gotten multiple compliments carrying it around at coffee shops and the office.
I also accidentally knocked my bag off a chair recently and my MacBook came out completely fine — so the protection is definitely real and not just marketing fluff.
For the price point, the value here is genuinely hard to beat. I've reviewed sleeves twice the cost that don't come close to this level of quality and finish. MOSISO really delivered with this one. If you're on the fence, trust me as someone who does this regularly — it's absolutely worth it.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
PURRRFECT
Size: 16 inch, Color: Deep Teal
I purchased this item on April 12, 2026 and received it on April 16, 2026. It is just PERFECT!! The right size, the color teal is just awesome looking, the quality of the material is strong and durable, the lining inside is well padded to protect the laptop, the zipper glides easily and very strong. The pocket outside has ample room to put miscellaneous items. I love it and I love it!!!! Go for it! It is worth the money.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Good-looking case that is well made
Size: 13.3 inch, Color: Bright Rose
This case is well-made. The material is non-slip, the zippers are easy to use, the stitching is quality, and the case is a perfect fit for my 14" MacBook Pro M5 even with a Speck protection case installed. All that being said, my favorite feature is the color. WOW! It definitely will not get lost in my office or in a dark backpack or briefcase.
I'm not sure how I'll use the front pocket. Off the top of my head I'll probably put a pen, slim notebook, and business card. I'll update this review if this doesn't work for me.
One more thing...I also bought the 13" Chartreuse for my Citrus MacBook Neo that has a MecBevia protection case. Perfect fit!
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Reviewed in the United States on May 15, 2026
★★★★★ 4
Denim like fabric with some padding
Size: 14 inch, Color: Bright Rose
Adequate for the job. I wanted something bright colored and padded to hold my laptop safely in my carryon.
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Sleek, Durable Laptop Sleeve That Punches Above Its Price
Size: 13.3 inch, Color: Red
Right out of the box the sleeve felt premium—sleek exterior, soft interior lining, smooth zipper—and it’s held up flawlessly through daily use with no pilling or wear. My 13‑inch MacBook slides in snugly without adding bulk, and the padding gave me real confidence after I accidentally knocked the bag off a chair and the laptop came out unscathed. The front pocket fits my charger, hub, and other small accessories neatly, making it practical for coffee‑shop days, though I do wish it had a grab handle, but it is ok. For the price, this sleeve delivers excellent protection and finish that rivals much more expensive options.
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Reviewed in the United States on April 21, 2026