LV431749
SKU: 71746916764

LV431749

Sale price$331.05 Regular price$367.83
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

LV431749Main Range Compact Product name Compact NSX Product or component type Circuit breaker Device short name Compact NSX250F Device application Motor Poles description 3P Protected poles description 3t Network type AC Network frequency 50 60 Hz [In] rated current 220 A at 65 C 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 F 36

Main
Range Compact
Product name Compact NSX
Product or component type Circuit breaker
Device short name Compact NSX250F
Device application Motor
Poles description 3P
Protected poles description 3t
Network type AC
Network frequency 50/60 Hz
[In] rated current 220 A at 65 °C
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 F 36 kA 415 V AC
Breaking capacity 85 kA at 240 V AC 50/60 Hz conforming to UL 508
22 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2
35 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
36 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
8 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
85 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
35 kA at 480 V AC 50/60 Hz conforming to UL 508
30 kA Icu at 500 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 35 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2
36 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
85 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
22 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2
30 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2
8 kA at 660/690 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 MA
Trip unit technology Magnetic
Trip unit protection functions I
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 Positive contact indication
Protection type I : for short-circuit protection (magnetic)
Trip unit rating 150 A at 65 °C
Short-time pick-up adjustment type Isd Adjustable
[Isd] short-time pick-up adjustment range 9...14 x In
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 EAC
Marine
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:
  1. 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
SKU: 71746916764

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4.0 ★★★★★
Based on 619 reviews
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Product Reviews
C
Verified Purchase
Chockalingam Ravi Sundaram
Massapequa, US
★★★★★ 5
Excellent Ergonomic Chair
Color: Black, Size: Pack of 1
I am incredibly impressed with this chair. The setup was a breeze and took me less than 20 minutes from start to finish. It is exceptionally comfortable, offering fantastic ergonomic support that keeps my back pain-free during long hours of sitting. The materials feel premium and highly durable. Plus, the included 5-year warranty is incredibly helpful and provides great peace of mind. I highly recommend it to anyone looking for a reliable workspace upgrade!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
M
Verified Purchase
Maria Velasco
Boise, US
★★★★★ 5
Comfortable, Sturdy, and Great for Long Hours
Color: Black, Size: Pack of 1
I am very happy with this office chair. It was easy to assemble, feels sturdy, and is very comfortable to sit in for long periods of time. The ergonomic design provides good back support, and the adjustable features make it easy to find the perfect position. The mesh back keeps me cool throughout the day, and the chair rolls smoothly. Overall, it offers great quality for the price and has made working at my desk much more comfortable. I would definitely recommend it to anyone looking for a reliable office chair. ⭐⭐⭐⭐⭐
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
C
Verified Purchase
Camryn
Whiting, US
★★★★★ 5
Great Chair! Worth the Price!
Color: Sky Blue, Size: Pack of 1
LOVE my new desk chair! I got the Sky Blue which is a really pretty blue in person. I work from home in tech, and had been getting constant headaches no matter what position I was in. I finally decided to invest in a better desk chair, and I'm SO glad I did! It's much more supportive and comfortable. I really like that I can flip the arms up or down, and the height is easy to adjust. Also, because I can flip the arms up, I can keep the chair out of the way when I'm not working by putting it right up against the desk. Very much worth the price! Assembly was simply and quick. Not even 30 minutes. Also, when I had a question about the chair, their support team was quick to respond and very helpful. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
D
Verified Purchase
David Miller
Louisville, US
★★★★★ 5
Great quality chair, regardless of price.
Color: Black+white, Size: Pack of 1, Color: Black+white, Size: Pack of 1
Great quality chair, regardless of the price, period. So well packaged that it took almost as long to unwrap as assemble. Assembly was easy (loved the Allen wrench with sturdy handle). I am 6'2" and the fit and height adjustments work well for my height. Comfort is personal, so I like the semi-firmness of the seat. While the chair is constructed of heavy gauge plastic the base is solid metal with enamel finish: I love the look. The arm rests line up perfectly to my computer keyboard. I expect many, many years of service.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
E
Verified Purchase
EJ
Massapequa, US
★★★★★ 5
Great Value for a Comfortable Home Office Chair
Color: Black, Size: Pack of 1, Color: Black, Size: Pack of 1
I’ve been using this chair for a couple of days now, and honestly, it’s been a solid upgrade from my old one. I work from home most days, so comfort matters a lot—and this chair delivers better than I expected for the price. The first thing I noticed was the lumbar support. It’s actually adjustable and makes a noticeable difference, especially if you tend to sit for long stretches. My lower back used to get sore after a few hours, but that hasn’t really been an issue since switching to this chair. The mesh back is also a nice touch—it keeps things breathable, which I didn’t think I’d care about until I had it. Assembly was pretty straightforward. Took me maybe 20–25 minutes without any frustration. Everything lined up well, and the instructions were clear enough. In terms of comfort, the seat is firm but not hard. It doesn’t feel like one of those super plush chairs, but I actually prefer that because it feels more supportive over time. The reclining feature is smooth, and I like that you can lean back a bit when you need a break. Overall, I’d say this is a great value for a home office setup. If you want something ergonomic and comfortable without spending a fortune, this chair is definitely worth considering.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026

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