So sánh UPS Liebert ITA2 (5-10kVA) và UPS 9PX (5-11KVA)
Thông số chính dòng UPS Liebert ITA2 ITA2
– Wide Input voltage window : 176-288V @ Full load & 100-176V with linear load derating @ 50% Load
– Input & Output power factor is Unity(kVA=kW)
– Input Current THDi <5%
– Programmable output outlets
– Built in either Parallel or LBS feature
– Compact foot print
– Dust & moisture proof design
– Flexible battery configuration & Compatible with common battery bank for 20kVA
– Parallel up to 4units
– Higher ambient temperature capability i.e. 50Deg C
– Built-in SNMP & Dry contacts
– Seismic certified
– Gravity sense, user-friendly graphical LCD display
– Easy to install, repair, and maintain
-Efficiency: certified by Energy Star Agency
Up to 96.2% in double conversion mode
Up to 99% in ECO mode
So sánh UPS Liebert ITA2 và UPS Eaton 9PX (5-11kVA)
| Sales Pitch – (Claimed) | – Counter battle card (Facts) |
| – New graphical LCD display | – Delivers 10% lesser power than ITA2 |
| – Load segment control | – Requires 30% more space than ITA2 |
| – 0.9 output power factor | – VFI efficiency is 1.5% lesser than ITA2 |
| – Compact rack/tower versatile form factor | – Eco mode efficiency is 1% lesser than ITA2 |
| – High efficiency | – No built in web page for remote monitoring, requires optional card |
| – Not suitable for robust environmental conditions |
So sánh thông số kỹ thuật
| Liebert ITA2 (5-10kVA) | Eaton 9PX (5-11kVA) | |
| Output power factor | Unity (kVA=kW)* | 0.9 |
| Input Voltage Range | 176-288V @ Full Load | 176-276V @ Full load |
| Input power factor | 0.99@ 25-100% load* | 0.99@ 50-100% Load |
| Input THDi | < 3% | < 5% |
| Battery Blocks | Variable（16-20 Blocks) | Fixed (5/6kVA-15Blocks & 8/10kVA – 20Blocks) |
| Overload capacity | 105-125% for 5Min, 125-150% for 1Min & 150% for 200ms |
102–110% : 120s, 110–125%: 60s, 125–150%: 10s |
| Footprint- Tower mounted | 5/6kVA UPS in 0.034 m2 2 10kVA in 0.0425 m2 |
5/6kVA UPS in 0.0894 m2 10kVA in 0.182 m2 |
| Operating Temperature | 0-50 C* | 0-40 C |
| Online Efficiency | 5/6kVA: up to 95.5% ; 10kVA: Upto 95.8% |
5/6kVA: Up to 94%; 8kVA: >94.5%; 11kVA: 95% |
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