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Description
ATV312HU15M3Main Range of product Altivar 312 Product or component type Variable speed drive Product destination Asynchronous motors Product specific application Simple machine Assembly style With heat sink Component name ATV312 Motor power kW 1. 5 kW Motor power hp 2 hp [Us] rated supply voltage 200 240 V 15 10 % Supply frequency 50 60 Hz 5 5 % Network number of phases 3 phases Line current 11. 1 A at 200 V, Isc = 5 kA 9. 6 A at 240 V EMC filter Without EMC
Main
| Range of product | Altivar 312 |
| Product or component type | Variable speed drive |
| Product destination | Asynchronous motors |
| Product specific application | Simple machine |
| Assembly style | With heat sink |
| Component name | ATV312 |
| Motor power kW | 1.5 kW |
| Motor power hp | 2 hp |
| [Us] rated supply voltage | 200...240 V - 15...10 % |
| Supply frequency | 50...60 Hz - 5...5 % |
| Network number of phases | 3 phases |
| Line current | 11.1 A at 200 V, Isc = 5 kA 9.6 A at 240 V |
| EMC filter | Without EMC filter |
| Apparent power | 3.8 kVA |
| Maximum transient current | 12 A for 60 s |
| Power dissipation in W | 86 W at nominal load |
| Speed range | 1…50 |
| Asynchronous motor control profile | Factory set : constant torque Sensorless flux vector control with PWM type motor control signal |
| Electrical connection | Al1, Al2, Al3, AOV, AOC, R1A, R1B, R1C, R2A, R2B, LI1...LI6 terminal 2.5 mm² AWG 14 L1, L2, L3, U, V, W, PA, PB, PA/+, PC/- terminal 2.5 mm² AWG 14 |
| Supply | Internal supply for logic inputs: 19...30 V 100 mA, protection type: overload and short-circuit protection Internal supply for reference potentiometer (2.2 to 10 kOhm): 10...10.8 V 10 mA, protection type: overload and short-circuit protection |
| Communication port protocol | Modbus CANopen |
| IP degree of protection | IP20 on upper part without cover plate IP21 on connection terminals IP31 on upper part IP41 on upper part |
| Option card | Communication card for CANopen daisy chain Communication card for DeviceNet Communication card for Fipio Communication card for Modbus TCP Communication card for Profibus DP |
Complementary
| Supply voltage limits | 170…264 V |
| Network frequency | 47.5...63 Hz |
| Prospective line Isc | 5 kA |
| Continuous output current | 8 A at 4 kHz |
| Output frequency | 0…500 kHz |
| Nominal switching frequency | 4 kHz |
| Switching frequency | 2...16 kHz adjustable |
| Transient overtorque | 170…200 % of nominal motor torque |
| Braking torque | 150 % during 60 s with braking resistor 100 % with braking resistor continuously 150 % without braking resistor |
| Regulation loop | Frequency PI regulator |
| Motor slip compensation | Adjustable Automatic whatever the load Suppressable |
| Output voltage | <= power supply voltage |
| Tightening torque | Al1, Al2, Al3, AOV, AOC, R1A, R1B, R1C, R2A, R2B, LI1...LI6: 0.6 N.m L1, L2, L3, U, V, W, PA, PB, PA/+, PC/-: 0.8 N.m |
| Insulation | Electrical between power and control |
| Analogue input number | 3 |
| Analogue input type | AI1 configurable voltage 0...10 V, input voltage 30 V max, impedance: 30000 Ohm AI2 configurable voltage +/- 10 V, input voltage 30 V max, impedance: 30000 Ohm AI3 configurable current 0...20 mA, impedance: 250 Ohm |
| Sampling duration | AI1, AI2, AI3: 8 ms analog LI1...LI6: 4 ms discrete |
| Response time | AOV, AOC 8 ms for analog R1A, R1B, R1C, R2A, R2B 8 ms for discrete |
| Linearity error | +/- 0.2 % for output |
| Analogue output number | 1 |
| Analogue output type | AOC configurable current: 0...20 mA, impedance: 800 Ohm, resolution: 8 bits AOV configurable voltage: 0...10 V, impedance: 470 Ohm, resolution: 8 bits |
| Discrete input logic | Logic input not wired (LI1...LI4), < 13 V (state 1) Negative logic (source) (LI1...LI6), > 19 V (state 0) Positive logic (source) (LI1...LI6), < 5 V (state 0), > 11 V (state 1) |
| Discrete output number | 2 |
| Discrete output type | Configurable relay logic: (R1A, R1B, R1C) 1 NO + 1 NC - 100000 cycles Configurable relay logic: (R2A, R2B) NC - 100000 cycles |
| Minimum switching current | R1-R2 10 mA at 5 V DC |
| Maximum switching current | R1-R2: 2 A at 250 V AC inductive load, cos phi = 0.4 and L/R = 7 ms R1-R2: 2 A at 30 V DC inductive load, cos phi = 0.4 and L/R = 7 ms R1-R2: 5 A at 250 V AC resistive load, cos phi = 1 and L/R = 0 ms R1-R2: 5 A at 30 V DC resistive load, cos phi = 1 and L/R = 0 ms |
| Discrete input number | 6 |
| Discrete input type | (LI1...LI6) programmable at 24 V, 0…100 mA for PLC, impedance: 3500 Ohm |
| Acceleration and deceleration ramps | S, U or customized Linear adjustable separately from 0.1 to 999.9 s |
| Braking to standstill | By DC injection |
| Protection type | Input phase breaks: drive Line supply overvoltage and undervoltage safety circuits: drive Line supply phase loss safety function, for three phases supply: drive Motor phase breaks: drive Overcurrent between output phases and earth (on power up only): drive Overheating protection: drive Short-circuit between motor phases: drive Thermal protection: motor |
| Insulation resistance | >= 500 mOhm 500 V DC for 1 minute |
| Local signalling | 1 LED (red)drive voltage: Four 7-segment display unitsCANopen bus status: |
| Time constant | 5 ms for reference change |
| Frequency resolution | Analog input: 0.1...100 Hz Display unit: 0.1 Hz |
| Connector type | 1 RJ45 for Modbus/CANopen |
| Physical interface | RS485 multidrop serial link |
| Transmission frame | RTU |
| Transmission rate | 10, 20, 50, 125, 250, 500 kbps or 1 Mbps for CANopen 4800, 9600 or 19200 bps for Modbus |
| Number of addresses | 1…127 for CANopen 1…247 for Modbus |
| Number of drive | 127 for CANopen 31 for Modbus |
| Marking | CE |
| Operating position | Vertical +/- 10 degree |
| Outer dimension | 143 x 105 x 130 mm |
| Height | 143 mm |
| Width | 105 mm |
| Depth | 132 mm |
| Net weight | 1.7 kg |
Environment
| Dielectric strength | 2040 V DC between earth and power terminals 2880 V AC between control and power terminals |
| Electromagnetic compatibility | 1.2/50 µs - 8/20 µs surge immunity test level 3 conforming to IEC 61000-4-5 Electrical fast transient/burst immunity test level 4 conforming to IEC 61000-4-4 Electrostatic discharge immunity test level 3 conforming to IEC 61000-4-2 Radiated radio-frequency electromagnetic field immunity test level 3 conforming to IEC 61000-4-3 |
| Standards | IEC 61800-5-1 IEC 61800-3 |
| Product certifications | DNV NOM CSA GOST UL C-Tick |
| Pollution degree | 2 |
| Protective treatment | TC |
| Vibration resistance | 1 gn (f= 13…150 Hz) conforming to EN/IEC 60068-2-6 1.5 mm (f= 3…13 Hz) conforming to EN/IEC 60068-2-6 |
| Shock resistance | 15 gn for 11 ms conforming to EN/IEC 60068-2-27 |
| Relative humidity | 5…95 % without condensation conforming to IEC 60068-2-3 5…95 % without dripping water conforming to IEC 60068-2-3 |
| Ambient air temperature for storage | -25…70 °C |
| Ambient air temperature for operation | -10…50 °C without (with protective cover on top of the drive) -10…60 °C with derating factor (without protective cover on top of the drive) |
| Operating altitude | <= 1000 m without 1000...3000 m with current derating 1 % per 100 m |
Contractual warranty
| Warranty | 18 months |
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4.8 ★★★★★
Based on 1694 reviews
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Product Reviews
★★★★★ 3
Information is great, quality not so much
Format: Paperback, Format: Paperback
Think the information is good and to the point. My book was misprinted and had the top portion of the page cut off so that I can see about only half of the book page number.
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Reviewed in the United States on July 18, 2025
★★★★★ 5
History doesn't repeat, but it rhymes
Format: Hardcover
They say that history doesn't repeat itself, but it rhymes. Reading Rachel Maddow's Prequel, that old adage lands with uncomfortable, clarifying force. The America of the 1930s had Senator Huey Long — loud, brash, barnstorming, and brimming with populist promises — and the resonance with our own era of bombastic political theater is impossible to dismiss. Maddow doesn't make that parallel clumsily. She doesn't need to. The evidence, laid out with the precision of a seasoned researcher and historian, speaks for itself.
Prequel tells the story of a far-right authoritarian impulse that has run through the veins of American political life for nearly a hundred years. In the 1930s, coinciding with Hitler's rise in Europe, a coordinated movement pushed hard for fascism here at home. Groups stockpiled weapons and explosives in preparation for an insurrection. Government officials worked in coordination with foreign actors. A fascist-sympathetic narrative was amplified through official and unofficial channels alike. This was not fringe paranoia — it was organized, resourced, and frighteningly close to succeeding.
What is remarkable — and what gives this book its most urgent energy — is the story of who stopped it. Not always the institutions we might hope to rely on. Where the American legal system faltered, journalists and activists filled the breach. Investigators, reporters, and citizens took up the banner of democracy through dogged, unglamorous work.
This is where Maddow's particular genius comes into its own. She is a master of the long connective thread — drawing bright lines between the events of the past and the present without letting the comparison become reductive or cheap. Prequel teaches us what was learned the last time democracy faced this kind of pressure: where the weaknesses are, what held, and — critically — what it will take to hold again. She identifies the strongholds. She maps the vulnerabilities. She makes a history lesson feel like a field guide.
The book is also, simply, a pleasure to read. Maddow brings to the page the same qualities that made her a formidable broadcaster: the ability to take deeply complex, document-heavy material and render it not just comprehensible but genuinely gripping. Her research is formidable. Her journalistic integrity is evident on every page. And her storytelling instincts transform what might otherwise be a dry historical account into something that reads with the momentum of a thriller. The result is a text that is at once a celebration — democracy was fought for and, in that moment, successfully defended — and a warning.
This book is well researched, well documented, and well written. Maddow is a master storyteller handing us a guide for the fight ahead of us. The impulse toward authoritarianism did not dissolve with the defeat of fascism abroad; it went quiet, regrouped, and waited. Democracy is once again under attack from the inside, and Prequel makes the case — calmly, rigorously, without hysteria — that this is not unprecedented, that it has been faced before, and that it can be faced again.
Don't give up the fight. Don't let the bastards grind you down.
(Upgraded from 4.5 stars)
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Reviewed in the United States on April 13, 2026
★★★★★ 5
American history without the gold-plated bias
Format: Hardcover
Ms. Maddow is an amazing historian and journalist! She describes events in history in a rational, no-nonsense manner, with clarity and insight. We have been taught a white-washed version of history from 1st through 12th grade, and I literally mean white-washed. Humanity has always made mistakes and should be recorded in history. Ms. Maddow does an exceptional job of removing the "sugar-coating" from documented events and revealing the greed, corruption, and manipulation hiding beneath. I dearly hope that she will write a biography on this present president, which I believe would be as close to the truth as humanly possible. I will certainly buy a copy!
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Reviewed in the United States on May 24, 2026
★★★★★ 5
A must-read - hair-raising, deeply alarming, and shudder-producing
Format: Kindle
What I liked:
- Deeply researched - amazing depth, particularly of a wide range of characters (a few of whom are true heroes) and many more miscreants - Rachel must have had a spectacular research team to work with! She mentions that "there were millions of words written about the rise of (and fight against) fascism as it was happening in pre-World War II America" - but I bet that most Americans haven't been exposed to them.
- Starts off mildly with George Sylvester Viereck (a ridiculous author, but just wait!) but then shifts gears progressively as the story builds and adds in a raft of odious characters
- Not afraid to name names - some of the politicians ultimately come in for some serious whacking (see Sens. Wheeler and Langer especially). Also surprising were the back stories of names I recognize (architect Philip Johnson, for example) without knowing of their nazi sympathies and antisemitism.
- Mr. and Mrs. Lindbergh are waaay more complicated than our stereotypes of the heroic but opaque pilot and his saintly wife (she is one scary piece of work!) - stuff I simply didn't know, and what was presented was alarming to the extent of making skin crawl
- I had never heard of the sedition trials of 1943 and 1944 and prosecutor John Rogge at all before - just one example of new (and stunning) information from our history - absolute bedlam!
- As the history advances and the book nears its end, there are several BIG events that may push you back in your reading chair several times - again, no spoilers, but hoo-eee!
- The epilogue was a treat to read - again, I won't reveal any spoilers
A minor criticism - the book is derived (I believe) from Rachel's podcasts, and thus the writing has her inimitable voice (pointed asides, etc.), but as a result may lack some polish and smoothness in the prose. Some may love it, some may carp, some may not even notice it. Whatever.
If material about this period is of interest to the reader, be certain to seek out "Hitler in Los Angeles" by Steven J. Ross - its focus is a little narrower, dealing with Jewish undercover work to foil Nazi plotting in Los Angeles, but Leon Lewis, a true mensch and hero, is in Maddow's book as well.
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Reviewed in the United States on October 18, 2024
★★★★★ 4
Fascinating details from the past but not really a “prequel”
Format: Hardcover
Rachel Maddow’s “Prequel: An American Fight Against Fascism” recounts the efforts of pro-fascists in the United States, aided and manipulated by Nazi Germany, to keep America from actively opposing Hitler as well as to plot ways to turn America into a fascist country. The struggle to defeat those forces began in the early 1930s led by private citizens who, on their own, went undercover to join fascist groups and try to alert various government agencies about what was happening. A relatively small number of fascists gathered weapons to prepare for an insurrection. In the last chapters of the book, Maddow describes a 1944 trial in which the Justice Department brought sedition charges against some 30 defendants, most of whose activities she covered in previous chapters. The trial was chaotic, interrupted by frequent outbursts from the defendants and their lawyers. When the judge suddenly died one night of heart attack and a mistrial was declared, the Justice Department did not seek a new trial. The war against Hitler was nearing an end, so there was no push to revisit the past to pronounce judgment on those whose activities on the home front ultimately did not affect our victory over the Nazis.
Since the ending is rather anticlimactic, Maddow, at times, may try a little too hard to make things sound more dire than they really were. Although elsewhere she has described Westbrook Pegler as an “extreme” right wing columnist and “pseudo-fascist,” she quotes him at the end of her chapter on Huey Long as averring that, in Louisiana, Long was “gradually copying the Hitler state.” Long was certainly a corrupt, authoritarian politician, but his populist politics had their origins in his upbringing in Winn Parish, where the Socialist Party carried the day in the 1912 election. Had he lived and had he run for president in 1936, he might have drawn enough votes from FDR to give the election to a Republican candidate, but he had no use for Nazism. (I live in Louisiana where, until 1973, we observed Huey’s birthday as a state holiday.)
Maddow seems to imply that there was something nefarious about the death in 1940 of Senator Ernest Lundeen in a passenger airplane crash that occurred during a thunderstorm. Lundeen, who had close ties to a top Nazi spy, may have been under investigation, but nothing indicates that his presence on the flight had anything to do with the crash. The cause was never determined, but, based on the way the plane headed forcibly into the ground, a likely explanation is that it was caught in the kind of thunderstorm microbursts that we now know has caused similar crashes.
Though, for me, the book seems to promise a bit more than it actually delivers, I did learn a lot about the ties of right wing politics to Nazism during that era.
I was aware that Henry Ford was a fanatical antisemite, but, until I read Maddow’s book, I did not know that his efforts extended to publishing a ninety-two part series based on the Protocols of the Elders of Zion that appeared in the Dearborn Independent, a newspaper that he owned, with copies distributed to every Ford dealership. It was published in book form as “The International Jew” and widely circulated in Germany. Hitler praised Ford in “Mein Kampf” and, according to one account, had a portrait of Ford displayed on the wall in his office when he was visited by an American reporter.
I was aware that the Nazis studied segregation in the American South for guidance in drafting their own race laws, but I didn’t know that Nazi Germany dispatched an attorney to the University of Arkansas School of Law to acquire first-hand knowledge.
I was aware that Father Coughlin was a demagogic opponent of FDR, but I was not aware of the ferocity of his antisemitism or his ties to various pro-Nazi fascists.
However, I was really totally unaware of the way actual Nazi agents in league with pro-Nazi Americans were able to get congressmen and senators to distribute Nazi propaganda, typically inserted into the Congressional Record and then sent to millions of Americans for free using the congressional franking privilege. On the other hand, I doubt that propaganda delivered in that manner was very effective. Pages from the Congressional Record could not compete with the message delivered by the 1939 Warner Brothers film “Confessions of a Nazi Spy,” the first anti-Nazi movie produced by Hollywood, based on actual events that Maddow describes.
Nothing pro-fascists did in the United States affected our entry into the war against Germany. We went to war when Hitler himself declared war on us four days after Japan bombed Pearl Harbor. Nazi Germany certainly posed a military threat, but there wasn’t much danger that fascist politics would actually prevail in the United States.
The political situation is very different today and, though I, like Maddow, admire the “smart, brave, determined, resourceful, self-sacrificing [anti-fascist] Americans who went before us,” I think the political challenges we face today are much more dire.
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Reviewed in the United States on December 11, 2023