Emerson 50 and 60 Hz Manuel D’Utilisation
Technical Specifications
119
Table 39
Bypass input
Rated Power, kVA
Unit of
Measurement
30
40
60
80
100
120
140
160
200
Rated AC Voltage
1
V (ac)
380/400/415 V
three-phase four-wire, sharing neutral with the rectifier input and
providing neutral reference to the output
Rated current
380V
A
45
61
91
121
151
182
212
242
303
400V
43
58
87
116
145
174
202
230
288
415V
42
56
83
111
139
167
194
222
278
Overload capacity
%
135% long term
170% 10 min
1000% 100 ms
125% long term
150% 10 min
1000% 100 ms
Upstream protection, bypass
line (by others)
line (by others)
Thermomagnetic circuit-breaker, rated up to 125% of nominal output
current. IEC 60947-2 curve C.
Current rating of neutral cable
A
1.7 In
1.52In
1.35In
Frequency
2
Hz
50 / 60
Transfer time (between
Bypass and Inverter)
Bypass and Inverter)
ms
Synchronous transfer:
≤ 1ms
Asynchronous transfer (default): 15 ms (50 Hz), 13.3 ms (60 Hz)
or 40, 60, 80, 100 ms selectable
Bypass voltage tolerance
% V (ac)
Upper limit: +10, +15 or +20, default +15
Lower limit –10, -20, -30 or -40, default: -20
(delay time to accept steady bypass voltage: 10 sec)
Bypass frequency tolerance
%
± 2.5, ±5, ±10 or ±20 default ±10
Synchronisation - Window
Hz
Rated frequency ±2 Hz (selectable ± 0.5 to ± 3Hz)
1.
Factory set to 400V – 380 or 415V selectable by commissioning engineer.
2.
Factory set to 50Hz; 60 Hz selectable by commissioning engineer. Bypass condition ignored when UPS set as frequency converter.