UPS2000-G-(1 kVA-3 kVA) 
User Manual 
 
Copyright © Huawei Technologies Co., Ltd. 
 
 
9.3 Mains Input Electrical Specifications 
Table 9-3 Mains input electrical specifications 
Single-phase (L/N) input +PE cable 
200V AC/208V AC/220V AC/230V AC/240V AC 
Lowest 
conversion 
voltage 
 
When the ambient temperature is 0–35°C: 
160/140/120/110 V AC (tolerance ±5%) 
(Ratio of actual load to rated load: 
100%–80%/80%–70%/70%–60%/60%–0) 
 
When the ambient temperature is 35–40°C: 
175/155/135/125 V AC (tolerance ±5%) 
(Ratio of actual load to rated load: 
100%–80%/80%–70%/70%–60%/60%–0) 
 
When the ambient temperature is 0–35°C: 
175/155/135/125 V AC (tolerance ±5%) 
(Ratio of actual load to rated load: 
100%–80%/80%–70%/70%–60%/60%–0) 
 
When the ambient temperature is 35–40°C: 
190/170/150/140 V AC (tolerance ±5%) 
(Ratio of actual load to rated load: 
100%–80%/80%–70%/70%–60%/60%–0) 
Highest 
conversion 
voltage 
 
300 V AC (tolerance ±5%, load percentage < 80%) 
 
280 V AC (tolerance ±5%, 80% < load percentage < 100%, 
after 15 minutes to battery mode) 
 
290 V AC (tolerance ±5%, load percentage < 80%) 
 
270 V AC (tolerance ±5%, 80% < load percentage < 100%) 
Input power factor 
(100% resistive load) 
Diesel generator input 
capacity 
Minimum 1.5 times the UPS rated capacity