UPS: characteristics, types, types

The best interactive UPS

5. Powercom Imperial IMP-825AP

It is a rather interesting and stylish design that can even be installed in plain sight. The case has a rectangular shape, the front panel is slightly rounded. There is a power button on it, there is a liquid crystal display and a fairly informative display. The body is entirely plastic, all its elements are carefully adjusted to each other, which completely eliminates the appearance of various extraneous sounds. There is a transformer on the inner bottom side, and an electronics board is installed on the top. There are a large number of ventilation holes. Absolutely all connectors are located on the rear panel. A USB connector is provided through which the UPS is connected to a personal computer or other control device. The NPW 36-12 battery capacity is 7.2 Ah, its operating voltage is 12 V.

If necessary, the battery can be replaced, and the manufacturer described this process in detail in the instructions. The internal filling is classic, all elements are located very compactly. All electronic parts are on a single-sided printed circuit board. The inverter operates on four IRFZ44V transistors. Power transistors are located on radiators, the total area of ​​which is 80 square meters. cm. The power of each transistor is 115 W, it can heat up to 175 degrees - this is its maximum operating temperature. The uninterruptible power supply has an automatic voltage stabilization system.

Advantages:

• Reacts instantly to a drop in current or voltage;
• Very easy to connect and operate.

Flaws:

• There are no standard sockets provided.

Powercom Imperial IMP-825AP

Ippon Back Basic 650

It is distinguished by its small overall dimensions and weight - together with the battery, the product weighs 4.35 kg. The appearance is simple, unremarkable, but the functionality is quite decent. On the front side there is a power button, an LED indicator and a USB connector. At the back there is a power cable and three sockets made according to the IEC 320 standard. On the sides of the product you can see special air intake slots. This equipment provides constant filtering of incoming currents: if the overload is only 10%, the device turns off after 5 seconds. If this indicator is even higher, it will turn off instantly.

It is worth noting that the design is equipped with a reliable automatic voltage regulator. At low loads, the equipment uses the Green Power function - it turns off when running on batteries, which can significantly extend their battery life. The battery capacity is 7 Ah and is a lead-acid battery that can be fully charged in approximately 6 hours. The sound alerts are quite loud - during autonomous operation, a signal will sound every 10 seconds; when the charge level drops, the frequency will increase to one signal per second.

Advantages:

• Reasonable cost;
• Good workmanship;
• It works quite quietly if the network voltage is normal.

Flaws:

• Lack of standard sockets;
• Fixed power cable.

Ippon Back Basic 650

3. Powercom RAPTOR RPT-2000AP

The product has small overall dimensions. On the front side you can find only one power button. The model is designed quite simply and concisely; nothing superfluous can be found on the case, which is quite natural for an uninterruptible power supply in an inexpensive price segment. On the back side you can find six sockets at once, designed to connect various computer devices - a system unit, monitor, printer, and so on. There is also a USB connector, two more RJ-45 connectors and a circuit breaker. There are perforations on the sides that allow high-quality removal of warm air. Unfortunately, the fan located under the case does not have its own ventilation grille - a somewhat unusual design solution.

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The central board and all other elements are located quite close to each other, so forced ventilation is used to protect against overheating, which creates quite a lot of noise. The fact is that in a working UPS the fan always rotates at the same speed, regardless of the applied load. Heating elements are equipped with radiators, but this does not eliminate the need to use a fan. This device has two Yuasa REW45-12 batteries, each of them has a nominal capacity of 8 Ah, each weighing 2.7.

Advantages:

• High power reserve;
• Reasonable cost;
• Small overall dimensions;
• Good quality and long service life.

Flaws:

• It is noisy;
• Getting access to batteries is not very easy.

Powercom RAPTOR RPT-2000AP

APC by Schneider Electric Smart-UPS 1000VA USB & Serial 230V

In second place among the best inexpensive UPS of this year is a rather original model of not very large overall dimensions, and it can be installed both horizontally and vertically. The body is entirely plastic, the parts are molded. There are several LED indicators on the front panel, all of them indicate the operating mode: the top one is from the mains, the middle one is from the battery, the bottom one informs about the need to replace the battery. The rear side is equipped with a ventilation grille. The device contains a replaceable battery cartridge of the RBC32 type, the capacity of which is 7 Ah, the operating voltage is 24 V. It contains two CP 1270 batteries. If necessary, you can replace the battery yourself.

The equipment is supplied with the battery disconnected, so before turning it on for the first time, it should be brought into working condition. All electronic elements are located on a double-sided board, which is located in the upper part of the case. The fan has average power and two operating modes; it reaches maximum speed if the load exceeds 50%. Power transistors are installed on radiators with a working area of ​​40 sq.cm. every.

The inverter is manufactured using a high-frequency circuit, which ensures the highest possible efficiency. The operating temperature range can reach 150 degrees. The automatic voltage equalization system is triggered if the deviation from the norm exceeds 10% up or down.

Advantages:

• Compatible with most computer power supplies;
• If necessary, you can even connect it to a generator;
• It has a system of flexible settings and is very easy to manage.

Flaws:

• Quite an expensive battery pack.

APC by Schneider Electric Smart-UPS 1000VA USB & Serial 230V

APC by Schneider Electric Smart-UPS 1500VA LCD 230V

The best UPS in the inexpensive price category was this model, which surpassed the others in many respects. The body of the product is tower type, the dimensions are decent. It is made of thin sheet galvanized metal, powder coated on the outside. On the front side there is a monochrome liquid crystal display. It has a backlight, five buttons and LED indicators are located nearby. All these elements allow you to quickly set up the operation of all the main functions of the structure, set the specified shutdown parameters, and so on. On the back of the case you can find eight computer sockets. They are divided into two groups - the right side can be adjusted using specialized software, the second part can be adjusted exclusively on the body.

There are perforations on both sides to ensure quick removal of heated air. For better cooling, the design includes a special fan. The device is equipped with four rubber anti-slip feet. There is practically no free space under the case - almost the entire space is occupied by a block with batteries, there is also a large transformer, and a set of printed circuit boards. The cooling function is performed by a fan with automatically controlled rotation speed. The batteries used are RBC7 models, each of which has a capacity of 17 Ah and an output voltage of 12 V.

Advantages:

• Excellent performance when operating from a generator;
• Most systems are intelligent - you don’t have to configure them;
• Compatible with almost all power factor correction models.

Flaws:

• High price and lack of standard sockets.

APC by Schneider Electric Smart-UPS 1000VA USB & Serial 230V

The best backup UPSs

Powercom WOW-850U

Not too large, but quite functional device. It has a rectangular body with a streamlined shape, all corners are rounded. At the top of the product there is a mechanical button to turn the product on, and there are also three LED-based indicators. There are also three Euro type sockets. They are equipped with a special protective mechanism that prevents various types of foreign objects from getting inside. The body is made of matte molded plastic. The casting quality is excellent, the assembly is also very good, so there are no backlashes or extraneous creaks. All ventilation holes are located on the sides of the device. The legs are plastic, there are special holes for mounting in the wall.

All connectors for connecting communication equipment, including a USB port, are located on one of the sides. A non-switchable power wire and an automatic fuse come out of the end part. This device contains a WP1213W battery, the capacity of which is 13 Wh, its operating voltage is 12 V. The internal elements are located quite compactly. All electronic parts of the design are located on a double-sided printed circuit board, which is located at the bottom of the case. The inverter operates on two transistors assembled using a high-frequency circuit. Power transistors are installed on large radiators. There is no automatic voltage regulator provided here. The UPS switches to battery power when the input voltage is less than 165 V, and before this it emits a corresponding sound signal. If the battery is almost discharged, the signal frequency increases and is 1 time per 0.4 seconds.

Advantages:

• Reasonable cost;
• Small overall dimensions;
• Protection of sockets from accidental objects;
• It works silently.

Flaws:

• In offline mode it is not able to work for too long, but it is quite enough for the correct shutdown of the equipment.

Powercom WOW-850U

Eaton Ellipse ECO EL650

High-quality and durable equipment. It is housed in a housing made of impact-resistant plastic, painted black. To increase the strength of the product, there are additional pads on the corners. For this type of product, the overall dimensions are small - 260x82x285 mm with a weight including batteries of 6.6 kg. The structure can be easily placed anywhere. There are air intake openings at the front and rear, which must not be covered with various foreign objects. The front part is equipped with a liquid crystal display, where all the information necessary for the user is displayed. Near it there are two control buttons - the first turns the product on and off, the second is responsible for navigating through the display menu.

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There are four grounded outlets at the rear, all of which are lightning protected and have a robust EMI filter. Backup power is supplied only to the top three sockets, the fourth is turned off if the mains power goes out. All of them are well protected from voltage surges thanks to AVR technology - automatic voltage regulation. The display is small in size, but all the information on it is visible very clearly. The backlight is bright, all symbols are white, color rendering is good - the data can be seen at any time of the day or night.

Advantages:

• There is an automatic battery testing function;
• The battery model is widespread - you won’t have to look for a replacement for a long time;
• Convenient and quick setup of user modes;
• The possibility of a so-called “cold start” is provided.

Flaws:

• High cost for equipment of this type.

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Eaton Ellipse ECO EL650