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Description
LV431880Main Range Compact Product name Compact NSX Product or component type Circuit breaker Device short name Compact NSX250N Device application Distribution Poles description 3P Protected poles description 3t Network type AC Network frequency 50 60 Hz [In] rated current 250 A at 40 C [Ui] rated insulation voltage 800 V AC 50 60 Hz [Uimp] rated impulse withstand voltage 8 kV [Ue] rated operational voltage 690 V AC 50 60 Hz Breaking capacity code N 50 kA 415
Main
| Range | Compact |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX250N |
| Device application | Distribution |
| Poles description | 3P |
| Protected poles description | 3t |
| Network type | AC |
| Network frequency | 50/60 Hz |
| [In] rated current | 250 A at 40 °C |
| [Ui] rated insulation voltage | 800 V AC 50/60 Hz |
| [Uimp] rated impulse withstand voltage | 8 kV |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz |
| Breaking capacity code | N 50 kA 415 V AC |
| Breaking capacity | 85 kA at 240 V AC 50/60 Hz conforming to UL 508 10 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 35 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 480 V AC 50/60 Hz conforming to UL 508 36 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 90 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 15 kA at 600 V AC 50/60 Hz conforming to UL 508 |
| [Ics] rated service breaking capacity | 10 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 35 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 36 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 90 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 |
| Suitability for isolation | Yes conforming to EN 60947-2 Yes conforming to IEC 60947-2 |
| Utilisation category | Category A |
| Trip unit name | Micrologic 5.2 A |
| Trip unit technology | Electronic |
| Trip unit protection functions | LSI |
| Pollution degree | 3 conforming to IEC 60664-1 |
Complementary
| Control type | Toggle |
| Mounting mode | Fixed |
| Mounting support | Backplate |
| Upside connection | Front |
| Downside connection | Front |
| Auxiliary contact composition | Without |
| Mechanical durability | 20000 cycles |
| Electrical durability | 10000 cycles 440 V In conforming to IEC 60947-2 10000 cycles 690 V In/2 conforming to IEC 60947-2 20000 cycles 440 V In/2 conforming to IEC 60947-2 5000 cycles 690 V In conforming to IEC 60947-2 |
| Connection pitch | 35 mm |
| Local signalling | LED ready LED 105 % Ir LED 90 % Ir |
| Protection type | L : for overload protection (long time) S : for short time short-circuit protection I : for instantaneous short-circuit protection |
| Trip unit rating | 250 A at 40 °C |
| Long time pick-up adjustment type Ir | Adjustable |
| Long time pick-up adjustment range | 100...250 A |
| Long time delay adjustment type | Adjustable |
| [tr] long-time delay adjustment range | 15…400 s at 1.5 x Ir 0.35…11 s at 7.2 x Ir 0.5…16 s at 6 x Ir |
| Thermal memory | 20 minutes before and after tripping |
| Short-time pick-up adjustment type Isd | Adjustable |
| [Isd] short-time pick-up adjustment range | 1.5...10 x Ir |
| Short-time delay adjustment type | Adjustable |
| [tsd] short-time delay adjustment range | 0…0.4 s |
| Instantaneous pick-up adjustment type Ii | Adjustable |
| Instantaneous pick-up adjustment range | 1.5...12 x In |
| Zone selective interlocking ZSI | With |
| Communication of data | Time-stamped histories and event tables Instantaneous and demand values Protection and alarm settings Maximeters/minimeters Demand current and power Energy metering Maintenance indicators Power quality |
| Display type | LCD display |
| Type of measurement | Ammeter |
| Electrical data recording | Maintenance indicators |
| Height | 161 mm |
| Width | 105 mm |
| Depth | 86 mm |
| Net weight | 2.4 kg |
| Compatibility code | NSX250 |
Environment
| Overvoltage category | Class II |
| Electrical shock protection class | Class II |
| Standards | EN/IEC 60947 UL 508 |
| Product certifications | Marine EAC CCC |
| IP degree of protection | IP40 conforming to IEC 60529 |
| IK degree of protection | IK07 conforming to IEC 62262 |
| Ambient air temperature for operation | -35…70 °C |
| Ambient air temperature for storage | -55…85 °C |
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
4.5 ★★★★★
Based on 881 reviews
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Product Reviews
★★★★★ 4
Good Beginner Matcha
Flavor Name: Superior Blend, Size: 1.75 Ounce (Pack of 1), Flavor Name: Superior Blend, Size: 1.75 Ounce (Pack of 1)
I am a beginner Matcha enthusiast and I love i
making matcha lattes at home (my favorite is Strawberry Matcha lattes). I have repurchased Superior Ceremonial 3× now. I am on my second 3.5 oz bag. I've also tried another well known popular affordable matcha (Jade Leaf) and I immediately decided it is better to splurge accouple more dollars in purchasing Naoki. The texture of the powder is extremely fine. The color is a beautiful dark vibrant green. The flavor is very light with a very low bitterness and a hint of sweetness on its own. It has a very clean taste. However, the flavor does get easily over shadowed by milk and sweetners in a latte. If you want to taste the matcha better you need to add more matcha powder (~4.5 grams). Considering the fact that I am not drinking Matcha traditionally, I do not need a flavor profile that is super complex like what other matcha enthusiasts rave about (often times their recs are super overpriced for its size and/or hard to get). I just need something that will be paired well when used with milk and sweetners. I look for matcha with good quality, affordability, and easy accessibility to repurchase (via Prime adds extra brownie points). Superior Ceremonial checks all the boxes to a first good intro to matcha!
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Reviewed in the United States on February 2, 2026
★★★★★ 5
absolute favorite!
Flavor Name: Superior Blend, Size: 3.5 Ounce (Pack of 1)
I’ve been using Naoki Matcha Superior Ceremonial Blend for about two months now, and I absolutely love it. It has a very smooth taste with no bitterness at all, and it whisks into the most beautiful silky microfoam.
The flavor is mild with a nice subtle umami taste, which makes it really enjoyable to drink every day. My favorite way to make it is as a strawberry matcha latte—it tastes just like something you’d get at a coffee shop.
If you’re looking for a high-quality ceremonial matcha that tastes smooth and not too strong, I highly recommend this one. I will definitely be buying it again!
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Delicious at the right temperature
Flavor Name: Superior Blend, Size: 3.5 Ounce (Pack of 1)
160 degrees Fahrenheit is the perfect temperature to reduce bitterness in this matcha. 170 and 175 produced more bitterness.
It’s smooth, savory, not bitter, mixes easily, and is delicious purely on its own (not in a latte). It’s a great value for drinking alone and probably on the more expensive end if you sweeten or add milk.
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Reviewed in the United States on May 15, 2026
★★★★★ 3
Not bad
Flavor Name: Superior Blend, Size: 1.4 Ounce (Pack of 1)
Great if you like a more subtle flavor, not bitter. If you just add it to milk then it has a slight very brief strong aftertaste, but I like mine a bit stronger. it mixed well it did not clump for me, it was a great vivid color. I will say I prefer a strong, bold matcha taste in my lattes so I do not think I would purchase again but overall it is a great option for beginners, people trying to figure out what they like, or folks who like a smoother, not bitter taste. The tin did come dented unfortunately, not a huge deal but also not great to receive a product that has been somewhat damaged.
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Creamy, Smooth, and Fresh — Perfect First Matcha Experience
Flavor Name: Superior Blend, Size: 1.4 Ounce (Pack of 1), Flavor Name: Superior Blend, Size: 1.4 Ounce (Pack of 1)
I tried the Naoki Superior Blend Matcha for the first time and was honestly impressed from day one. I prepared it with milk, and the matcha turned out incredibly creamy and smooth with a natural sweetness — no bitterness at all.
The color was a vibrant bright green, which immediately made it feel fresh and high quality. You can tell this is not one of those dull, stale matcha powders. It mixed well and had a very clean, balanced flavor.
As someone who was looking for authentic Japanese matcha without the marketing gimmicks, this felt like a great find. Looking forward to trying it next with just warm water to experience the flavor on its own.
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Reviewed in the United States on May 26, 2026