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Description
Chint ContactorsThe purpose of use 1. 1 NCH8 M series Manual Modular AC contactor (here inafter referred as contactor) is mainly used in power systems with AC 50Hz 60Hz, rated operating voltage up to 400V and rated operating current up to 63A. It is used as remote or manual switch for circuit control under AC 7b and AC 7a (non inductive load or low inductive load resistance furnace, domestic appliance and low inductive load of similar applications) application
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The purpose of use
1.1 NCH8-□M series Manual Modular AC contactor (here inafter
referred as contactor) is mainly used in power systems with
AC 50Hz/60Hz, rated operating voltage up to 400V and
rated operating current up to 63A. It is used as remote or
manual switch for circuit control under AC-7b and AC-7a
(non-inductive load or low-inductive load/resistance furnace,
domestic appliance and low-inductive load of similar
applications) application category. The contactor shall not
be used for breaking short-circuit current, therefore it
should be used with a proper short-circuit protection device.
1.2 Standard: IEC/EN 61095、IEC/EN60947-4-1
3. Regular Operating Conditions
3.1 Ambient temperature：-25℃~+70℃
3.2 Humidity：Relative humidity＜50% at +40℃; up to 90% at
+20℃
3.3 Altitude：＜2000m
3.4 Pollution class：Class 2
3.5 Installation category：Class Ⅱ
3.6 Protection class：IP20
3.7 Installation conditions：Vertical installation; the inclination of
the installation surface to any direction should not exceed 5°;
TH35-7.5 steel mounting rails should be used for installation.
3.8 Operation conditions：Pickup voltage： (85%~110%) Us;release voltage： release voltage: (20%~75%) Us
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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- Delivery to the USA:
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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
4.4 ★★★★★
Based on 2366 reviews
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Product Reviews
★★★★★ 5
Fit Great, Nice Replacement at a Low Price
Color: 12PCS side brushes for Freo X Ultra/Freo Z Ultra/Freo X Plus
Our Narwal robot vacuum needed some replacement side brushes and these seemed to fit the mark. They went on fine and are working great. 6 pairs for under $20 felt like a good price point.
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Reviewed in the United States on December 29, 2024
★★★★★ 4
As advertised
Color: 12PCS side brushes for Freo X Ultra/Freo Z Ultra/Freo X Plus
Decent quality and fit right in. Save few dollars and no complaints. Thank you for dropping by.
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Reviewed in the United States on January 16, 2025
★★★★★ 5
My house has never been so clean!
Size: 05-11S
As a neat freak, this has been one of my favorite purchases recently. Hands down. No doubt. Our house has seriously never felt so clean. With four boys coming and going, plus a cat, plus my wife and I both working out of the same house, this place gets dir-r-r-r-ty! But now, I just set this little baby up and get it goes to town.
Note: the first several times that we used it, the machine's debris holding chamber was LOADED. We ran it until the battery died (and it returned to it's charger automatically), emptied it, and then ran it again as soon as it was fully charged. But each time that it ran, it was completely full! Every single time. None of us can believe how dirty we were living.
Note #2: We now take it upstairs to do a deep cleaning there. We had a little bit of a learning curve to make sure that all of the electric cords and such were off the floor. (They untangle easily, btw, if you forget). My son with the cat had a room that used to smell terrible... it smells almost normal after we ran this several times through there. And the volume of cat hair that this thing picked up is crazy amazing. Hair that we didn't even see. I didn't know cat hair smalled badly, but it must've. Room smells pretty decent now (not perfect - there still is a smally boy living in there)!
Note #3: We keep a pretty clean house. That is what is amazing about this thing. It makes it really clean.
Note #4: After the first several runs, make sure that you clean the roller brush. It will make a difference. The tool that comes with the unit that looks like a comb does a great job. If you get hair or thread or similar wrapped around it, use the handy dandy letter opener-style cutter to easily and safely clean it out. The blue parts on bottom around roller remove easily for deep cleaning. Do it! Easy and worth it for better future results.
Note #5: Does all types of floors really well. We have ceramic, vinyl, short carpet, marble, deep carpet - all on the first floor of our house --- NO PROBLEM for Eufy! It moves with ease between them all.
Note #6: Problem areas? We have a screened in porch that has a door that allows tiny little leaves in under the door. I'll just set the Eufy out there and forget about it. When I see it again, the machine has run out of juice and the floor is perfectly clean. Or my basement office. Set it in there at the end of the day, close the door and forget about it. In the morning, the floors are clean and the machine is sleeping where it ran out of power. I take it back upstairs, empty the cannister, and put it back on the charger.
Last note: It gets in tight spaces. It cleans edges beautifully. It spends more time on a room than we ever would, so I guess that is why it cleans so well. It gets under most of our furniture. Around most of our chairs. And oh - I almost forgot - this vacuum is SO-o-o-o quiet. With our upright, you can't hear yourself think. With this thing, I can be do my work uninterrupted.
Disclaimer - I have wasted a lot of time just watching machine in amazement and awe! Thankfully I can now walk away from it - although the 7 sessions with a therapist to get me to break the habit were a pain. ;)
I highly recommend the machine - if you couldn't already tell! I came back on to Amazon to buy a unit for my in-laws and saw the opportunity to avoid my job for a little bit to write this review! Funny, but I am glad that I did. This little fella is totally worth it. If you are thinking about which brand to buy, you can't go wrong with Eufy.
Kudos to the manufacturer and development team!
Note to manufacturer: Can you please develop a machine to automatically climb and clean stairs (cook, do toilets, do laundry)... ?
People, you are going to love this vacuum!
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Reviewed in the United States on July 13, 2021
★★★★★ 5
Great robovac! We named ours “Robby the Robovac.”
Size: 06-15C Max
I hesitated for years to pull the trigger on getting a robot vacuum, and I shouldn’t have. If you are on the fence, get one. This thing has been worth the $250 in the first month, alone. (I compare it to a maid service fee.) It automates the simplest but most essential task of cleaning, because most dust and dirt ends up on the floor. It also forced me to finally tidy up all the wires and miscellaneous junk I had laying around on the floor, and thereby also eliminate areas where dust and dirt would accumulate, both of which were unexpected side benefits. It also frees up time to then wet mop and clean other places more easily, and tacitly helps me WANT to follow through with those final stages of cleaning that are easier because it takes care of the most time-intensive, initial stage of cleaning.
It has been a life changer for us. The first week made the house smell a bit dusty because it kicked up all the latent dust from the corners, under furniture, and in the rugs. But once it got through that stage, the whole house looks and “feels” so much cleaner and smells nicer. Subtle but significant difference.
I live in a one-story bungalow with mostly hardwoood or laminate floors, with a low-nap Berber floor covering in my master bedroom. I have a mid-size wire-hair dog who sheds normally, and it is perfect for picking up dog hair. I also have a nine year old son who adds to the dust and dirt. The suction is great on all of our surfaces. It works better than my stand-up “cyclonic” Hoover. Having three suction settings allows you to adjust the noise level depending on how clean you need the suction to be. The side brushes seem trite but definitely do work to help collect and”funnel” dirt into the collection bin. They also hit under furniture legs and walls edges to help collect the dirt that hides there.
The collection bin does need to be emptied frequently (every few uses, especially when you first use it), but I look at that as letting me know what would have been on my floor if I didn’t have the unit. It is amazing how much it cleans off the floor even after the first wave of cleaning.
The different cleaning modes are also well thought out: edge cleaning, spiral-spot cleaning, and random walk cleaning. I use the edge cleaning mode the most because dust and dirt tend to congregate along the edges.
Three downsides that are probably fixed in higher end models. First, getting the app to work was unnecessarily frustrating and difficult because I forgot my exact WiFi password. The problem is that the interface requires you to go through about a five minute process for each “guess,” which made syncing to the app much more frustrating and unnecessarily slower than it should have been. Then with each failed attempt, I also had to also manually reset the entire unit by pressing the power button for 20 seconds. They should program it to test the password quickly so the entire syncing process does not take five minutes until you find out you typed the password incorrectly. (Especially because WiFi passwords are case-sensitive, so it is easy to mistype it). Once I typed the correct password and synced it, the problem was over, but it was frustrating and time consuming.
Second, controlling the unit manually through the app is difficult because of the lag time in the signal through WiFi. So any time I manually steer the until, I use the remote and not the app. Not a big deal, but something to note.
It is also too loud to schedule vacuuming at night. It woke us up the first three times it ran a scheduled overnight clean, partly because we keep our bedroom doors open at night. We are still on COVID lockdown, so I can’t just schedule it to run during the day while we are at work. So I just run it in the background during the day or when I leave to go to the store or take the dog for a walk.
Nonetheless, none of those are dealbreakers, mostly just minor inconveniences that are acceptable at this price point. It still earns its five star rating for fulfilling its primary purpose and then some.
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Reviewed in the United States on June 29, 2020
★★★★★ 5
Life Changing, and Superb Customer Service
Size: 12, Size: 12
Hey folks. I bought this model of Eufy while on sale a little over six months ago, and have used it daily since. Thinking about buying one? Do it. No regrets here, and I wish I had purchased one when I first began thinking about it a year and a half ago.
I live next to the Gulf Coast in Florida, and coastal living = constant sand. Fine, white quartz sand ends up in your home constantly regardless of how many rugs and floor mats you place at entranceways. Our home is completely tiled, and the powdery sand sticks to everything, so it’s a never ending battle keeping the floors clean. We used to sweep pretty much daily in the morning, and then use a hand vac around corners in the evening just to keep up with it. We also have one cat, a Great Pyrenees, and an English shepherd, so sweeping daily was necessary to keep fur from drifting into giant globs in corners and under furniture.
After purchasing the Eufy, and charging it up, we no longer have to sweep every day. The eufy is simply fantastic at getting up all the pet fur and sand. Instead of sweeping every morning, I now stare off vacantly out the window while drinking my coffee, and the eufy sweeps for me.
My five year old named our Eufy “Mumford” and we created a face cut out from a roll of white window cling vinyl (purchased the white vinyl window cling on amazon too- it’s meant for those Cricut machines) for the little guy. Mumford is now a treasured family member.
For reference, my house is all tile and is about 1500 square feet. The eufy can clean our dining room, living room, kitchen, bathroom, and playroom on a single charge, but since it doesn’t map out the rooms, I do place it in one room at a time, and block it off or shut the door. It does fine if I don’t block it off, but takes longer to get the job done. Since I keep the common areas clutter free, it is no trouble running the eufy every morning. I have my kiddos pick up anything on the floor, and then we hit the button and go about getting breakfast ready. If you are messier, or have a lot of clutter in your home- a Eufy probably isn’t the answer. It can’t do a good job if it isn’t able to roam around freely to vacuum.
It fits under all of our furniture, and maneuvers well around my oak dining tables and chairs.
If your home is very large and multi level, and you don’t want to pay attention - you may want something that maps your home. Eufy bumps around haphazardly, and when you leave it on long enough and run it consistently, it does a great job. I do not run it when we aren’t home, and I do not run it at night when we are sleeping. The last thing I want is for one of the dogs or the cat to get sick, and then have eufy run over the mess. Eeew. If you have pets, don’t make that mistake.
If your home is larger than 1500 square feet, you’ll likely have to clean different sections at a time maybe on different days or nights of the week.
Customer service is fantastic. After six months of daily use, our unit had a malfunction. The bumper on the right side would stick, and our unit would spin constantly clockwise. I contacted Eufy, and they did some troubleshooting with me, and when that didn’t fix the problem, I was sent a brand new unit. They emailed me a free return label to ship my old one back to them at no charge.
All in all this is an excellent and helpful product, and the company that makes it is reliable and true to the warranty. I know several people that own one and love it, and have recommended it to friends and family members.
Buy one!!!!!!
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Reviewed in the United States on November 27, 2020