Electrical Characteristics; Table 10 Liebert Exm Bdc Input Currents, Single Input, Main, Without Transformer; Table 11 Liebert Exm Bdc Input Currents, Dual Input, Rectifier, Without Transformer - Liebert EXM BDC User Manual

3.1

Electrical Characteristics

NOTE
The breakers and cables used must be in accordance with NEC ANSI/NFPA 70. A disconnect breaker must be
provided for AC input, Bypass and AC output. Recommended cable sizes are suitable for operation at a
maximum temperature of 104°F (40°C).
Table 10 Liebert EXM BDC input currents, single input, main, without transformer
Voltage BDC Rating System Input
3-Ph, 60 Hz kVA Current, A, Max
208/120
10
220/127
208/120
15
220/127
208/120
20
220/127
208/120
30
220/127
208/120
40
220/127
208/120
60
220/127
208/120
80
220/127
208/120
100
220/127
Table 11 Liebert EXM BDC input currents, dual input, rectifier, without transformer
Voltage BDC Rating,
3-Phase, 60Hz kVA Current RIB, A, Max
208/120
10
220/127
208/120
15
220/127
208/120
20
220/127
208/120
30
220/127
208/120
40
220/127
208/120
60
220/127
208/120
80
220/127
208/120
100
220/127
Refer to Figures 26 and27 for additional details about this system configuration.
Vertiv | Liebert
®
™
EXM BDC User Manual | Rev. 3 | 01/18 |
Recommended
Phase Protection, A
34 3W + N + G
51 3W + N + G
68 3W + N + G
102 3W + N + G
136 3W + N + G
205 3W + N + G
273 3W + N + G
341 3W + N + G
Rectifier
Recommended
Rectifier Input Upstream
Protection, A
34 45
51 70
68 90
102 150
136 175
205 300
273 350
341 450
Upstream 75°C Wire
Current, A, Total Copper Wire
45 65
70 85
90 115
150 175
175 230
300 400
350 460
450 610
75°C Wire
Phase Current, A, Total Copper Wire
3W + N + G 65
3W + N + G 85
3W + N + G 115
3W + N + G 175
3W + N + G 230
3W + N + G 400
3W + N + G 460
3W + N + G 610
Aluminum
Wire Bolt Size
(1) #6 (1) #4 M12
(1) #4 (1) #2 M12
(1) #2 (1) 1/0 M12
(1) 2/0 (1) 4/0 M12
(1) 4/0 (2) 1/0 M12
(2) 3/0 (2) 4/0 M12
(2) 4/0 (2) 300kcmil M12
(2) 350kcmil (2) 400kcmil M12
Aluminum
Wire Bolt Size
(1) #6 (1) #4 M12
(1) #3 (1) #2 M12
(1) #2 (1) 1/0 M12
(1) 2/0 (1) 4/0 M12
(1) 4/0 (2) 1/0 M12
(2) 3/0 (2) 4/0 M12
(2) 4/0 (2) 300kcmil M12
(2) 350kcmil (2) 400kcmil M12
36