Technical data

31
14 Parallel configurations
MASTERGUARD Series SIII
UPS Systems from 60 to 800 kVA
MKA4CAT0UKSIII/Rev. 11-11/2004/UK
14.5 COC Technical data Rating 400A 800A 1600A 3200A 4000A
Electrical data
Nominal current (A) 400 800 1600 3200 4000
Power @ 380V (kVA) 263 526 1052 2112 2640
Power @ 400V (kVA) 277 554 1107 2208 2760
Power @ 415V (kVA) 287 574 1149 2304 2880
Nominal voltage (V) 400 (380/415 selectable)
Nominal frequency (Hz) 50/60 (selectable)
Voltage range (%) ± 10
Frequency range (%) ±0.75 (1.5, 2.5, 6 selectable)
Maximum operating voltage (V) 277 (480 PH-PH)
Maximum overload capacity for 10 minutes (%) 125 125 125 125 125
for 1 minute (%) 150 150 150 150 150
for 600 milliseconds (%) 700 700 500 500 500
for 100 milliseconds (%) 1000 1000 700 700 700
SCR
I
2
t @ T
vj
=130°C; 8.3-10ms (A
2
s) 320k 1125k
I
TSM
@ T
vj
=130°C; 10ms (A) 8k 15k
Contact MASTERGUARD
Fuse Rating (Vac/A) 660/500 660/1000k Technical Support
Pre-arching I
2
t (A
2
s) 23.8k 142k
I
2
t @ 400Vac (A
2
s) 175k 630k
Efficiency (when on reserve) AC/AC (%) 99.5
Transfer time when in synchro lnverter to reserve (ms) <0.5
Reserve to inverter (ms) <0.5
Transfer time without synchro (ms) <20
Retransfer delay (s) 5
System data
Noise @ I metre as per ISO 3746 (dBA) 60 60 62 64 65
Protection degree with door open IP20
Mechanical dimensions Height (mm) 1780 1780 1780 1780 1980
Width (mm) 1020 1020 820 1020 1020
Depth (mm) 858* 858* 858* 858* 1058*
*including front handle; without handle 830/1030 mm
Switches: included included not included not included not included
No. of cabinets 1
Weight (kg) 350 400 400 500 650
Floor area (m
2
) 0.85 0.85 0.68 0.85 1.05
Floor loading (kg/m
2
)412 471 588 588 619
Cable entry Top/Bottom/Side
Access Front
Ventilation Forced ventilation (active when SS is closed)
Tecnico-SIII-MG 10-11-2004 8:22 Pagina 31