MGE UPS Systems 250A - Manual (Page 21)

34020201EN/AB - Page 21
6. Appendices
6.1 Technical data sheets
Electrical characteristics
Rated input current: 250 A per phase and 400 A for the neutral
Rated output current: 16 A per phase
Input voltages:
◗ Rated voltage: 380 V / 400 V / 415 V
◗ Maximum voltage: 457 V (415 V +10%)
◗ Minimum voltage: 342 V (380 V -10%)
◗ Rated frequency: 50 or 60 Hz (47 Hz minimum, 63 Hz maximum)
Output voltages: 220 V / 230 V / 240 V
F1 and F2 fuses: 0.5 A aM - 600 V - 100 kA
Thermal characteristics
Heat loss (with isolation transformer):
◗ At full rated power: 5000 W
◗ At 50% rated power: 2000 W
Noise level
Recommended upstream protection devices
Maximum wire sizes for terminal blocks
Acoustic noise as defined by standard ISO 3746: 62 dBa (with isolation transformer)
◗ Input phases: 120 mm 2
◗ Input neutral: 2 x 120 mm 2
◗ PE: 120 mm 2
◗ PEN: 2 x 120 mm 2
◗ Output circuits: 2.5 mm 2
◗ Auxiliary wires (remote shutdown, remote alarms): 1.5 mm 2
◗ Communication wires: shielded cable (telephone type)
(1) I
0
and I
R
are thermal settings, I
i
and I
m
are magnetic settings.
Selection of the protection devices must comply with applicable standards and regulations using the information
presented above and taking into account discrimination requirements.
The models in the table are only intended as a general indication and in no way engage the responsibility of MGE
UPS SYSTEMS.
Upstream system
TNC
TNS
Recommended upstream circuit breaker
Siemens 3VL3725-1DC36-0AA0
Merlin Gerin NS250 TM 250D
3/3 poles protected
Siemens 3VF52-1MH41-0AA0
Merlin Gerin NS400 STR23SE 400
3/4 poles protected
Settings (1)
I
R
= 1.0 In
I
i
= 10 In
I
R
= 1.0 In
I
m
= 10 In
I
R
= 1.0 In
I
i
= 10 In
I
0
= 0.63 In
I
R
= I
0
I
m
= 10 I
R
Number of output
circuits on PMM module
126 output circuits
60 output circuits
126 output circuits
60 output circuits
Standards
Protection level: IP 20C (standard CEI 529).
Environment: 2 (standard EN 60439-1).