Product comparison · 2 uninterruptible power supplies (upss)

APC SMX3000HVNC + WBEXTWAR3YR-SP-04 vs Ewent EW3943 uninterruptible power supply (UPS) 1.2 kVA

17specifications compared
10differ
7identical
31known for one product only

Key differences

Output power capacity
- SMX3000HVNC + WBEXTWAR3YR-SP-04:3 kVA
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:1.2 kVA
Output power
- SMX3000HVNC + WBEXTWAR3YR-SP-04:2700 W
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:600 W
Input operation voltage (min)
- SMX3000HVNC + WBEXTWAR3YR-SP-04:140 V
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:110 V
Input operation voltage (max)
- SMX3000HVNC + WBEXTWAR3YR-SP-04:280 V
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:240 V
Output operation voltage (min)
- SMX3000HVNC + WBEXTWAR3YR-SP-04:208 V
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:110 V
Efficiency
- SMX3000HVNC + WBEXTWAR3YR-SP-04:98.5%
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:80%
AC outlet types
- SMX3000HVNC + WBEXTWAR3YR-SP-04:C13 coupler, C19 coupler
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:C13 coupler
AC outlets quantity
- SMX3000HVNC + WBEXTWAR3YR-SP-04:11 AC outlet(s)
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:4 AC outlet(s)

Side by side

Differences highlightedShow differences only

Comparison of SMX3000HVNC + WBEXTWAR3YR-SP-04, EW3943
48 specifications	A APC SMX3000HVNC + WBEXTWAR3YR-SP-04 View product	B Ewent EW3943 uninterruptible power supply (UPS) 1.2 kVA Model EW3943 View product
Features6 differ
UPS topologyKnown for one	Line-Interactive	Unknown — not stated by the source
Output power capacityDiffers	3 kVA	1.2 kVA
Output powerDiffers	2700 W	600 W
Waveform	Sine	Sine
Input operation voltage (min)Differs	140 V	110 V
Input operation voltage (max)Differs	280 V	240 V
Input frequency	50/60 Hz	50/60 Hz
Output operation voltage (min)Differs	208 V	110 V
Output operation voltage (max)	240 V	240 V
Output frequency regulationKnown for one	47/63 Hz	Unknown — not stated by the source
Surge energy ratingKnown for one	645 J	Unknown — not stated by the source
EfficiencyDiffers	98.5%	80%
Crest factorKnown for one	3:1	Unknown — not stated by the source
Emergency Power Off (EPO)Known for one	Yes	Unknown — not stated by the source
Output voltage Total Harmonic Distortion (THD)Known for one	5%	Unknown — not stated by the source
Noise levelKnown for one	55 dB	Unknown — not stated by the source
Automatic Voltage Regulation (AVR)Known for one	Unknown — not stated by the source	Yes
Power protection featuresKnown for one	Unknown — not stated by the source	Over voltage, Short circuit, Under voltage
Audible alarm(s)Known for one	Unknown — not stated by the source	Yes
Ports & interfaces2 differ
AC outlet typesDiffers	C13 coupler, C19 coupler	C13 coupler
Power plugKnown for one	C20 coupler	Unknown — not stated by the source
AC outlets quantityDiffers	11 AC outlet(s)	4 AC outlet(s)
Number of output IEC jumpersKnown for one	2	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	3	Unknown — not stated by the source
Batteryidentical
Battery technology	Sealed Lead Acid (VRLA)	Sealed Lead Acid (VRLA)
Typical backup time at full loadKnown for one	6.25 min	Unknown — not stated by the source
Typical backup time at half loadKnown for one	18 min	Unknown — not stated by the source
Battery recharge timeKnown for one	3 h	Unknown — not stated by the source
Battery capacityKnown for one	Unknown — not stated by the source	7 Ah
Number of batteries supportedKnown for one	Unknown — not stated by the source	2
Design1 differ
Form factorDiffers	Rackmount	Tower
Product colour	Black	Black
Rack capacityKnown for one	4U	Unknown — not stated by the source
Cable lengthKnown for one	2.44 m	Unknown — not stated by the source
Display typeKnown for one	LCD	Unknown — not stated by the source
LED indicators	Yes	Yes
Operational conditions1 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)Known for one	-15 - 45 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Differs	0 - 95%	10 - 90%
Storage relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	0 - 3000 m	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	125 mm
DepthKnown for one	Unknown — not stated by the source	400 mm
HeightKnown for one	Unknown — not stated by the source	220 mm
WeightKnown for one	Unknown — not stated by the source	9.7 kg
Other featuresidentical
Nominal input voltageKnown for one	Unknown — not stated by the source	230 V
Nominal output voltageKnown for one	Unknown — not stated by the source	230 V

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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