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Description
LV431142Main Range Compact Product name Compact NSX Product or component type Circuit breaker Device short name Compact NSX250B 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 B 25 kA 415
Main
| Range | Compact |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX250B |
| 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 | 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 |
| 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 | 100 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 | 1500 A |
| 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 |
| 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:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
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4.4 ★★★★★
Based on 2465 reviews
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Product Reviews
★★★★★ 5
A very important book
This is one of those books that I’ve known for a while that I needed to read, but I expected it to be dark and depressing. It was hard to prepare myself for it. After it had been on my Kindle a while, I decided that I just needed to take the plunge. I’m glad I did. It deals with a very unpleasant aspect of American history, as told by a formerly enslaved man in the 1800s. It’s not a pleasant topic and the author relates it in very neutral terms. He doesn’t involve his own emotions in what he experienced as a child and young man. He doesn’t have to. The evil that was inflicted on him speaks for itself. The book is extremely well written and it goes fast. It’s educational, but it doesn’t read like a school book. I know that this author has written other books and I do intend to read them at some point. Not right now though. It’s an intense read and I need some time to digest it.
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Reviewed in the United States on June 5, 2019
★★★★★ 5
But really it is a great, easy and fun read
Most people who pick this up are probably looking for history and possibly race issues. Which since it deals with slavery are there slightly. But really it is a great, easy and fun read. Many people act like they think they know what slavery was like. They act like slaves got whipped daily. This historical account actually verifies some things I thought might be actually going on. Really, just like today, the slave masters wanted to keep the slaves ignorant. Fred talks about how they tried to get the slaves to party and get drunk during holidays and has a solid working theory about the masters motivations for this. However, many times you could tell that slavery was really a system doomed to fail. Without incentivising the workers/slaves the output was minimal. Also, each slave master was different with some being bullies and some trying to be nice to get more work done. I added this book to get the free shipping with another order and as I white guy I thought reading this would be uncomfortable. But Whatever race you are I recommend this as a quick easy and fun read. Fred was an awesome dude who taught himself to read, had a wife became free and wrote a book, and even got in a comical fight with one of his slave masters. I wish more people today were like that guy. I think if he were alive today this guy would be a member of the Libertarian party. He had the type of soul that yearned for freedom.
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Reviewed in the United States on February 3, 2018
★★★★★ 5
Tour De Force
Format: Paperback, Format: Paperback
The book ranks for me as one of the most significant, erudite, thorough and powerfully voiced books ever written on race in America. This a riveting, compelling and excruciating presentation, indictment, and prosecution of "White America" from its inception as a psychopathic and sociopathic construction, which persists into the present. "White" America exists juxtaposed to its violently parasitic extortion of Blackness. While the book makes the case for pathology and sociopathy, no such “racism” diagnosis currently exists in the DSM or WHO-ICD, but such a diagnosis is a logical extension of King’s argument. I bought this book, the workbook and I listened to the audio version - which is an especially rich experience for anyone who is remotely empathic! 350 references alone should intrigue anyone looking for a mother lode of information on the topic! We cannot jump straight to renewal in a United States of America without truth and reconciliation. For us to realize our best days ahead as a nation, the truth presented in The 400 Year Holocaust . . . is foundational reading.
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Reviewed in the United States on August 24, 2023
★★★★★ 5
A must read
Format: Kindle
Mr. King shakes up the thinking and challenges your mindset on American exceptionalism. The only thing exceptional about USA, is it's foundation is rooted in Whiteness. All the laws, policies, institutions, and wealth are designed to support and protect Whiteness. This book is a must read if you want to learn how the history of USA is shaped around Whiteness and white privilege. Mr. King does not hold back and he brings many receipts to support is position that Whiteness and white privilege psychopathic and sociopathic Black genocide. After reading this book, you will better understand why a certain political group wants to ban books. They are so afraid of confronting their truth and their history of anti-Blackness.
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Reviewed in the United States on August 6, 2024
★★★★★ 5
A must read for all.
Format: Hardcover
A must have in your personal collection.
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Reviewed in the United States on February 20, 2025