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Description
LV431150Main Range Compact Product name Compact NSX Product or component type Circuit breaker Device short name Compact NSX250B Device application Distribution Poles description 4P Protected poles description 3t + N 2 3t 4t Neutral position Left 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
Main
| Range | Compact |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX250B |
| Device application | Distribution |
| Poles description | 4P |
| Protected poles description | 3t + N/2 3t 4t |
| Neutral position | Left |
| 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 | B 25 kA 415 V AC |
| Breaking capacity | 15 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 20 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 25 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 40 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 |
| [Ics] rated service breaking capacity | 20 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 25 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 40 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 15 kA at 500 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 2.2 |
| Trip unit technology | Electronic |
| Trip unit protection functions | LSoI |
| Pollution degree | 3 conforming to IEC 60664-1 |
Complementary
| Control type | Toggle |
| Mounting mode | Fixed |
| Mounting support | Backplate |
| Upside connection | Front |
| Downside connection | Front |
| 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 90 % Ir LED ready LED 105 % Ir |
| Neutral protection setting | 0.5 x Ir (3t + N/2) 1 x Ir (4t) No protection (3t) |
| Protection type | L : for overload protection (long time) So : for short time short-circuit protection with fixed delay I : for instantaneous short-circuit protection |
| Trip unit rating | 250 A at 40 °C |
| Long time pick-up adjustment type Ir | Adjustable 9 settings |
| Long time pick-up adjustment range | 0.9...1 x Io |
| Long time delay adjustment type | Fixed |
| [tr] long-time delay adjustment range | 11 s at 7.2 x Ir 16 s at 6 x Ir 400 s at 1.5 x Ir |
| Thermal memory | 20 minutes before and after tripping |
| Short-time pick-up adjustment type Isd | Adjustable 9 settings |
| [Isd] short-time pick-up adjustment range | 1.5...10 x Ir |
| Short-time delay adjustment type | Fixed |
| Instantaneous pick-up adjustment type Ii | Fixed |
| Instantaneous pick-up adjustment range | 3000 A |
| Height | 161 mm |
| Width | 140 mm |
| Depth | 86 mm |
| Net weight | 2.8 kg |
| Compatibility code | NSX250 |
Environment
| Overvoltage category | Class II |
| Electrical shock protection class | Class II |
| Standards | EN/IEC 60947 |
| Product certifications | CCC EAC Marine |
| 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
4.1 ★★★★★
Based on 1353 reviews
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Product Reviews
★★★★★ 3
Ok for the price but not amazing
Flavor Name: Ceremonial Grade, Size: 1.4 oz (40g)
It is fine for the price but has a bit of that unpleasant cheap matcha taste so wont be rebuying. Decent bitterness but not really creamy or sweet in my opinion. The color is good tho so aesthetically it is very pretty.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
★★★★★ 5
Best quality for price!
Flavor Name: Ceremonial Grade, Size: 1.4 oz (40g)
One of the best ceremonial matcha powders I’ve ever tried! It blends and froths up so easily and it tastes like true authentic matcha. I was very surprised with the quality and so happy I found a new one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
★★★★★ 5
Cute matcha set, quality for price
Color: Pink, Color: Pink
I was looking for an affordable, quick replacement for my previous matcha set and found this item. For the price point, this is great quality and is such a cute addition to my kitchen. I also like that this includes all the essentials for making a matcha. The chasen does seem to be on the more fragile side though so I'd just be careful and properly take care of it such as blooming it in hot water before any usage and whisk with a very lighthand.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
★★★★★ 5
Cute!
Color: Green
Super cute and fun to use, easy to clean, appears to be very well-made. Excellent, especially for such a low price. I will say the only complaint I have is that the spout design could use some work; the end of it doesn't come out far enough so it dribbles a bit when you try to pour. Also, and maybe this is to be expected due to the use of natural materials, but there are a couple of small split pieces/splinters on the chasen (whisk) I had to trim. Otherwise perfect!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 5
Amazing
Color: Green
Sooo amazing , highly recommended. Good quality and amazing price !
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
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