Technical data

Chapter 4 – Electrical Installation
Siemens Building Technologies, Inc. 19
Table 5. Cable Cross-Sections for input Voltage Range 3 AC 380V through 480V.
Output
rating
kW
Min. cross-section
of supply cable
AWG (mm
2
)
Max. cross-section
of supply cable
AWG (mm
2
)
Min. cross-section of
motor cable
AWG (mm
2
)
Max. cross-section of
motor cable
AWG (mm
2
)
11 (15) 9 (6) 7 (10) 9 (6) 7 (10)
15 (20) 7 (10) 2 (35) 7 (10) 2 (35)
18.5 (25) 7 (10) 2 (35) 7 (10) 2 (35)
22 (30) 5 (16) 2 (35) 5 (16) 2 (35)
30 (40) 3 (25) 2 (35) 3 (25) 2 (35)
37 (50) 3 (25) 2 (35) 2 (35) 2 (35)
45 (60) 2 (35) -5 (150) 2 (35) -5 (150)
55 (75) -2 (70) -5 (150) -2 (70) -5 (150)
75 (100) -2 (70) -5 (150) -3 (95) -5 (150)
90 (125) -2 (70) -5 (150) -3 (95) -5 (150)
Table 6. Cable Cross-Sections for input Voltage Range 3 AC 500V through 600V.
Output
rating
kW
Min. cross-section
of supply cable
AWG (mm
2
)
Max. cross-section
of supply cable
AWG (mm
2
)
Min. cross-section of
motor cable
AWG (mm
2
)
Max. cross-section of
motor cable
AWG (mm
2
)
0.75 (1.0) 17 (1) 7 (10) 17 (1) 7 (10)
1.1 (1.5) 17 (1) 7 (10) 17 (1) 7 (10)
1.5 (2.0) 17 (1) 7 (10) 17 (1) 7 (10)
2.2 (3.0) 17 (1) 7 (10) 17 (1) 7 (10)
3 (4.0) 17 (1) 7 (10) 17 (1) 7 (10)
4 (5.0) 17 (1) 7 (10) 17 (1) 7 (10)
5.5 (7.5) 15 (1.5) 7 (10) 15 (1.5) 7 (10)
7.5 (10) 13 (2.5) 7 (10) 13 (2.5) 7 (10)
11 (15) 11 (4) 7 (10) 11 (4) 7 (10)
15 (20) 9 (6) 2 (35) 9 (6) 2 (35)
18.5 (25) 9 (6) 2 (35) 9 (6) 2 (35)
22 (30) 7 (10) 2 (35) 7 (10) 2 (35)
30 (40) 5 (16) 2 (35) 5 (16) 2 (35)
37 (50) 3 (25) 2 (35) 5 (16) 2 (35)
45 (60) 3 (25) -5 (150) 3 (25) -5 (150)
55 (75) 0 (50) -5 (150) 2 (35) -5 (150)
75 (100) -2 (70) -5 (150) 0 (50) -5 (150)
90 (125) -2 (70) -5 (150) 0 (50) -5 (150)