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Catalog   /   Home & Renovation   /   Autonomous Power Supply   /   UPS

Comparison Volt Polska Sinus PRO 800E 800 VA vs Logicpower LPY-B-PSW-800VA Plus 800 VA

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Volt Polska Sinus PRO 800E 800 VA
Logicpower LPY-B-PSW-800VA Plus 800 VA
Volt Polska Sinus PRO 800E 800 VALogicpower LPY-B-PSW-800VA Plus 800 VA
Outdated ProductOutdated Product
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Typesmartsmart
Form factorstandard (Tower)standard (Tower)
Switching to battery4 ms4 ms
Input
Input voltage1 phase (230V)1 phase (230V)
Input voltage range170 – 270 V140-275 V
Max. current10 А
Bypass (direct connection)is absentmanual
Output
Output voltage1 phase (230V)1 phase (230V)
Peak output power800 VA800 VA
Rated output power500 W560 W
Output voltage accuracy3 %10 %
Output waveformpure sine wave (PSW)pure sine wave (PSW)
Output frequency50-60 Hz
Redundant sockets22
Socket typetype E (FR)type F (Schuko)
Battery
Battery in set
no battery
no battery
Battery(ies) connection to UPS12 V12 V
Min. charging current5 А5 А
Max. charging current10 А15 А
Charging current regulation
LiFePO4 charging support
Cold start
External battery connection
Protection
Protection
short circuit protection
overload protection
 
noise filtering
sound alarm
short circuit protection
overload protection
external battery overcharge protection
noise filtering
sound alarm
Fuseautoauto
General
Screen
Carrying handle
Operating temperature0 – 40 °C
Dimensions (HxWxD)170x146x237 mm225x145x340 mm
Weight4.6 kg5.7 kg
Added to E-Catalognovember 2022june 2018

Input voltage range

In this case, the input voltage range is implied, in which the UPS is able to supply a stable voltage to the load only due to its own regulators, without switching to the battery. For redundant UPSs (see "Type") this range is quite small, approximately 190 to 260 V; for interactive and especially inverter ones, it is much wider. Some UPS models allow you to manually set the input voltage range.

Max. current

The maximum current drawn by the UPS. In fact, the current reaches its maximum value only when the UPS is operating from the mains with maximum load power and a completely discharged battery. However, when calculating the load on the power grid, this parameter should be taken into account.

Bypass (direct connection)

Bypass(by-pass) means such a mode of operation of the UPS, in which power is supplied to the load directly from an external source — the mains, diesel generator, etc. — practically without processing in the UPS itself. This mode can be activated either automatically or manually.

— The automatic bypass is a kind of safety measure. It turns on when the UPS in normal mode cannot supply power to the load — for example, when the UPS is overloaded due to a sharp increase in the power consumption of the load.

— Manual bypass allows you to enable this mode at the request of the user, regardless of the operating parameters. This may be necessary, for example, to hot-swap a battery (see below for details) or to start equipment that has a starting capacity greater than that of the UPS. Technically, it can also play the role of a security measure, but automatic systems are more reliable in this sense.

Some UPSs provide both options for enabling the bypass.

Rated output power

The effective output power of the UPS is, in fact, the maximum active power of the load that can be connected to the device.

Active power is consumed directly for the operation of the device; it is expressed in watts. In addition to it, most AC devices also consume reactive power, which is "wasted" (relatively speaking) is spent by coils and capacitors. Apparent power (denoted in volt-amperes) is precisely the sum of active and reactive power; it is this characteristic that should be used in accurate electrical calculations. See "Maximum output power" for details; here we note that when selecting a UPS for a relatively simple application, it is quite possible to use only effective power. This is at least easier than converting the watts claimed in the characteristics of the connected devices into full power volt-amps.

The most modest modern "uninterruptibles" give out less than 500 watts. 501 – 1000 W can be considered an average value, 1.1 – 2 kW is above average, and in the most powerful models this figure exceeds 2 kW and can reach very impressive values (up to 1000 kW or more in some industrial class UPS).

Output voltage accuracy

This parameter characterizes the degree of difference between the AC voltage at the output of the UPS and the perfect voltage, the graph of which has the shape of a regular sinusoid. The perfect voltage is so named because it is the most uniform and creates the least unnecessary load on the connected devices. Thus, the distortion of the output voltage is one of the most important parameters that determine the quality of the power received by the load. A distortion level of 0% means that the UPS produces a perfect sine wave, up to 5% — slight sine wave distortion, up to 18% — strong distortion, from 18% to 40% — a trapezoidal signal, more than 40% — a square wave.

Output frequency

The frequency (frequency range) of the AC voltage output by the UPS. For computer technology, the frequency range of 47-53 Hz is considered normal, although the smaller the deviation from the 50 Hz standard, the better. On the other hand, in some UPS models, this frequency can be automatically synchronized with the frequency of the mains — so the power supplied to the load will not differ regardless of whether the load is powered by the mains or from the battery. In this case, a wider frequency range, on the contrary, is more desirable.

Socket type

A socket for a specific type of plug in the UPS design.

Type F (Schuko). A traditional European socket with two round holes in the center and grounding contacts in the form of two metal brackets (at the top and bottom of the socket). The term Schuko stuck to this type of socket due to the abbreviation from the German Schutzkontakt - protective contact.

Type E (French). The French style socket has two round holes and a protruding ground pin just above them in the center. The standard has become widespread in France, Poland and Belgium (along with the traditional type F sockets).

Type G (British). The plug for such sockets consists of two flat horizontal pins and one flat vertical pin for grounding. The standard is found mainly in the countries of the United Kingdom, Malta, Cyprus, Singapore and Hong Kong.

Type B (American). American-style sockets are designed for plugs with two flat prongs and a semicircular grounding contact. Type B is widely used in regions with voltage 110 - 127 V - USA, Japan, Saudi Arabia, etc.

Max. charging current

The maximum current in Amperes that charges the UPS battery or battery pack. Frequent charging cycles with high currents reduce the service life of the battery. However, charging in this mode will come in handy during regular power outages - it makes sense to use high charging currents when you need to charge the batteries as quickly as possible during the time there is light and be fully prepared for the next outages.

LiFePO4 charging support

The ability to charge lithium iron phosphate batteries based on the LiFePO4 technology of the same name. Let us recall that the corresponding batteries are characterized by a large number of charge/discharge operating cycles, chemical and thermal stability, low temperature tolerance, short charging time (including high currents) and safety in operation. And in general, such batteries cope with high peak loads without problems and maintain operating voltage almost until discharge.
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