Product comparison · 2 uninterruptible power supplies (upss)

NGS Fortress 800 vs NGS Fortress 900

Key differences

Output power capacity
- Fortress 800:0.65 kVA
- Fortress 900:0.75 kVA
Output power
- Fortress 800:390 W
- Fortress 900:450 W
Package dimensions (WxDxH)
- Fortress 800:380 x 230 x 150 mm
- Fortress 900:380 x 240 x 150 mm

Differences highlightedShow differences only

Comparison of Fortress 800, Fortress 900
20 specifications	A NGS Fortress 800 View product	B NGS Fortress 900 View product
Features2 differ
Output power capacityDiffers	0.65 kVA	0.75 kVA
Output powerDiffers	390 W	450 W
Input operation voltage (min)	230 V	230 V
Input operation voltage (max)	230 V	230 V
Input frequency	50 Hz	50 Hz
Output operation voltage (min)	230 V	230 V
Output operation voltage (max)	230 V	230 V
Hold time (max)	10 ms	10 ms
Efficiency	80%	80%
Power factor	0.6	0.6
EMI/RFI noise filtering	Yes	Yes
Power protection features	Overload, Short circuit	Overload, Short circuit
Ports & interfacesidentical
AC outlets quantity	2 AC outlet(s)	2 AC outlet(s)
Batteryidentical
Typical backup time at full load	5 min	5 min
Typical backup time at half load	10 min	10 min
Designidentical
Product colour	Black	Black
LED indicators	Yes	Yes
Operational conditionsidentical
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Packaging dataidentical
Package weight	5.8 kg	5.8 kg
Other features1 differ
Package dimensions (WxDxH)Differs	380 x 230 x 150 mm	380 x 240 x 150 mm

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.