Mustek PowerMust 1090, User Manual, Page: 33 / 41

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10. Technical Data
10.1 Electrical specifications
INPUT
Model No.
PowerMust 1090
LCD RM
PowerMust 2018
LCD RM
PowerMust 3027
LCD RM
Phase 1
Frequency (45~55)/(54~66) Hz
Max Current(A) 5.1 10 14.7
OUTPUT
Model No.
PowerMust 1090
LCD RM
PowerMust 2018
LCD RM
PowerMust 3027
LCD RM
Power rating 1kVA/0.9kW 2kVA/1.8kW 3kVA/2.7kW
Voltage 208/220/230/240
×（
1
士
1%
）
VAC
Frequency 50/60
（±
0.2
）
Hz (Battery mode)
Wave form sinusoidal
BATTERIES
Model No.
PowerMust 1090
LCD RM
PowerMust 2018
LCD RM
PowerMust 3027
LCD RM
Number and type 3
×
12V 7Ah 4
×
12V 9Ah 6
×
12V 9Ah
10.2 Operating Environment
Ambient Temperature 0
°
C to 40
°
C
Operating humidity < 95%
Altitude < 1000m
Storage temperature 0
°
C to 45
°
C
10.3 Typical backup time (Typical values at 25°C in minutes:)
Model No. 100 % Load 50 % Load
PowerMust
1090 LCD RM
5 15