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Description
GV7RE50Main Range TeSys Product name TeSys GV7 Device short name GV7R Device application Motor Poles description 3P Network type AC Utilisation category AC 3 conforming to IEC 60947 4 1 Network frequency 50 60 Hz conforming to IEC 60947 4 1 Breaking capacity 35 kA Icu at 440 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 36 kA Icu at 380 415 V AC 50 60 Hz conforming to IEC 60947 2 25 kA Icu at 500 V AC 50
Main
| Range | TeSys |
| Product name | TeSys GV7 |
| Device short name | GV7R |
| Device application | Motor |
| Poles description | 3P |
| Network type | AC |
| Utilisation category | AC-3 conforming to IEC 60947-4-1 |
| Network frequency | 50/60 Hz conforming to IEC 60947-4-1 |
| Breaking capacity | 35 kA Icu at 440 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 36 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 25 kA Icu at 500 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 |
| [Ics] rated service short-circuit breaking capacity | 100 % at 440 V AC 50/60 Hz conforming to IEC 60947-2 100 % at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 100 % at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 50 % at 500 V AC 50/60 Hz conforming to IEC 60947-2 50 % at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 |
| Thermal protection adjustment range | 30…50 A |
| Trip unit technology | Thermal-magnetic |
Complementary
| Mounting mode | By clips By screws |
| Mounting support | Rail Kit for fixing the switchgear Flush Panel mounting |
| Mounting position | Vertical |
| Motor power kW | 22 kW at 400...415 V AC 50/60 Hz 30 kW at 500 V AC 50/60 Hz 30 kW at 660...690 V AC 50/60 Hz |
| Control type | Rocker lever |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz conforming to IEC 60947-2 |
| [Ui] rated insulation voltage | 750 V AC 50/60 Hz conforming to IEC 60947-2 |
| [Ith] conventional free air thermal current | 50 A conforming to IEC 60947-4-1 |
| [Uimp] rated impulse withstand voltage | 8 kV IEC 60947-2 |
| Power dissipation per pole | 5 W |
| Power dissipation per pole | 5 W |
| Mechanical durability | 50000 cycles |
| Electrical durability | 30000 cycles for AC-3 at 440 V In 50000 cycles for AC-3 at 440 V In/2 |
| Maximum operating rate | 25 cyc/h |
| Rated duty | Continuous conforming to IEC 60947-4-1 |
| Connection pitch | 35 mm without spreaders 45 mm with spreaders |
| Connections - terminals | Bars Cable with lug - external diameter: 10 mm Screw Bare cable connectors 1.5…95 mm² |
| Tightening torque | 10 N.m on screw M6 screw type 15 N.m on bare cable connectors for cable 1.5…95 mm² |
| Mechanical robustness | Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-27 Vibrations: 2.5 Gn, 0...25 Hz conforming to IEC 60068-2-6 |
| Suitability for isolation | Yes conforming to IEC 60947-1 |
| Phase failure sensitivity | Yes conforming to IEC 60947-4-1 § 7-2-1-5-2 |
| Height | 161 mm |
| Width | 105 mm |
| Depth | 111 mm |
| Net weight | 2.015 kg |
Environment
| Standards | EN/IEC 60947-2 NF C 79-130 EN/IEC 60947-1 EN/IEC 60947-4-1 NF C 63-650 VDE 0660 VDE 0113 NF C 63-120 |
| Product certifications | DNV UL |
| Protective treatment | TC |
| IP degree of protection | IP405 conforming to IEC 60529 (with terminal shrouds) |
| Pollution degree | 3 |
| Ambient air temperature for operation | -25…70 °C |
| Ambient air temperature for storage | -55…95 °C |
| Fire resistance | 960 °C conforming to IEC 60695-2-1 |
| Operating altitude | 2000 m |
Offer Sustainability
| EU RoHS Directive | Not applicable, out of EU RoHS legal scope |
| Environmental Disclosure | Product Environmental Profile |
Contractual warranty
| Warranty | 18 months |
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4.3 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Entertaining, educational and provoking
Format: Hardcover
I really didn’t expect this level of enjoyment from reading a book about a serious law material. This book is entertaining almost like a thrilling mini series to me due to the author’s great storytelling. Vivid arguments in various courtrooms over decades, sad stories of victims, some hilarious cases (especially Smith), unjust and unfair cases, interesting judges, … I just enjoyed reading them over cover to cover.
It is definitely educational. I don't have any legal background and I hardly knew Section 230. After the joyful reading, I could learn history, importance and main issues of Section 230. I believe it is a must-read to many people including software engineers like me.
I couldn’t be comfortable when the author compared the amount of benefit of Section 230, which has promoted proliferation of US Internet business, to the amount of suffering of women, children, and unfairly defamed people. However, I believe the author, on purpose, provoked this discussion. Including his own sincere opinion, he introduced various discussions deeply in later chapters, which helped me to think a lot.
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Reviewed in the United States on February 12, 2021
★★★★★ 4
Interesting and clear
Format: Kindle
The book reviews the history of the law that protects interactive websites from prosecution due to defamation. The discussion is interesting and straightforward, but there are too many unimportant details in some places.
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Reviewed in the United States on November 2, 2022
★★★★★ 5
The most well researched book about Section 230 and free speech on the Internet
Format: Hardcover
Many are calling for regulation of the tech industry. This book does an excellent job of outlining the “it’s not that simple” aspect of the debate. Some say big tech is doing too much to silence legitimate conversations and others say they are not doing enough to combat hate speech and false information.
Regardless of which side you fall on it is important to know the history and this book is a well written account. Professor Kosseff does an excellent job of both presenting the history of Section 230, but also mixing in his well reasoned opinions about how we should proceed. Most importantly posing the question of if you don’t want big tech regulating the internet, you better think long and hard about who you do want, and what that will look like.
This should be a mandatory read for any tech reporter who even utters the words “Section 230”. Thanks for the information.
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Reviewed in the United States on August 26, 2019
★★★★★ 5
The book that might save the internet
Format: Hardcover
The level of misunderstanding about Section 230 in media and government is astounding. All they have to do is read Kosseff's book to clear up their misunderstanding. The New York Times made a colossal mistake confusing Section 230 with the First Amendment. I hear media people all the time thinking they can't moderate comments because of Section 230 (the opposite is true). I see politicians going after Section 230 because they think it is the root of the net's problems (they are dead wrong). Section 230 is our best protection of free expression and human dignity on the net, for as Kosseff clearly explains, it is intended to enable the public conversation (by not making platforms -- including news organizations -- liable for what others do on their sites) and it is also intended to empower platforms and media companies to moderate what people do on their sites to their own standards. The law is short and clear and is vital to the future of the net and the public conversation on it.
Kosseff puts forward an excellent history of the development of legislation and case law on free expression in books, movies, and other media. He talks with the creators of Section 230 and explains their goals and motives. He outlines the debate about the law.
That debate is now reaching a critical phase in both media and Washington. Thus Kosseff's book is a document of urgent importance. I wish some rich person would come along to buy every member of Congress and every news organization a copy so they don't keep screwing this up.
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Reviewed in the United States on September 5, 2019
★★★★★ 3
Please use a larger font
Format: Hardcover
Over 60 and sometimes have a difficult time with too small print? My advise .. either read it on an ebook or skip this one.
I read the first chapter despite the small font size that made it a little too difficult to read. While I found it informative and well worth reading I'm probably not going to read anymore and return it to the library. Mass market paperback books with small print I can understand. Hardback non-fiction books (which are generally read by an older crowd I suspect) make no sense to me.
5 stars for the content I read. 1 star (generously) for the font size.
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Reviewed in the United States on January 6, 2020