AFX SERIES® OPERATION MANUAL
SECTION 5: UNPACKING AND INSTALLATION
Entire Contents Copyright
2018 by Pacific Power Source, Inc. (PPS)
• All Rights Reserved • No reproduction without written authorization from PPS.
AFX Series Power Source Operation Manual
Page 48 of 402
Consult the table below for recommended wire size by model number and AC input rating.
MODEL
INPUT VOLTAGE
INPUT CURRENT
RECOMMENDED
INPUT SERVICE
MINIMUM COPPER
WIRE SIZE, 75°C RATED
390AFX-2
208 V ac, 3~
37 A rms, max
40 A rms
10 mm^2 (AWG 8)
3120AFX-2
208 V ac, 3~
48 A rms, max
50 A rms
10 mm^2 (AWG 8)
3150AFX-2
208 V ac, 3~
55 A rms, max
60 A rms
16 mm^2 (AWG 6)
390AFX-4
380/400 V ac, 3~
480 V ac, 3~
20 A rms, max
16 A rms, max
25 A rms
20 A rms
6 mm^2 (AWG 10)
4 mm^2 (AWG 12)
3120AFX-4
380/400 V ac, 3~
480 V ac, 3~
27 A rms, max
22 A rms, max
30 A rms
25 A rms
6 mm^2 (AWG 10)
6 mm^2 (AWG 10)
3150AFX-4
380/400 V ac, 3~
480 V ac, 3~
30 A rms, max
24 A rms, max
35 A rms
30 A rms
10 mm^2 (AWG 8)
6 mm^2 (AWG 10)
Table 5-1: AC Input Wire Size Table
The AC input connections must be made at the rear panel AC terminal block. This input
block has a removable safety cover that must be installed when the instruments is used on a
bench or is otherwise accessible at the rear. If mounted in a cabinet with a locked door or
screen, the AC input safety cover may be omitted if needed.
Figure 5-3: Rear Panel Layout
The AC input terminal phasing is marked on the rear panel and shown in the illustration
below. A four wire mains connection is required. (L1, L2, L3 and Earth Ground). Ground
connection is located directly below the AC Line input terminal block as shown in Figure 5-3
above.
EARTH GROUND
