Wire Selection; Wire Size - Ametek SPS A Series Operation Manual

Installation
For more information on this AC input connector, please look up Phoenix
Contact part number HDFKV 16 at www.phoenixcontact.com.

WIRE SELECTION

2.5
Care must be taken to properly size all conductors for the input and
output of the power supply. This section provides guidance in the
selection of wire size. Note that cables with Class B or C stranding should
be used. Fine stranded cables should not be used unless crimp-on lugs
or ferrules are used that are approved for fine stranded cables.

2.5.1 WIRE SIZE

The tables below will assist in determining the appropriate wire size for
both the input and output connections Table 2–4 below gives minimum
recommended wire size. This table is derived from the National Electrical
Code; it is for reference only.
different requirements. Note that these recommendations are for copper
wire only. For higher ratings, wires can be paralleled; refer to the National
Electrical Code.
Size
Types: RUW,
AWG T, TW, UF
MCM
14
12
10
8
6
4
3
2
1
0
00
000
0000
1-6
Temperature Rating of Copper Conductor
60°C 75°C
Types: FEPW,
RHW, RH, RUH,
THW, THWN,
XHHW, USE, ZW
20
25
30
40
55
70
85
95
110
125
145
165
195
Local laws and conditions may have
85°C
Types: V, MI
Current Rating
20 25
25 30
35 40
50 55
65 70
85 95
100 110
115 125
130 145
150 165
175 190
200 215
230 250
AMREL SPS-A Series
90°C
Types: TA, TBS,
SA, AVB, SIS, FEP,
FEPB, RHH, THHN,
XHHW
25
30
40
55
75
95
110
130
150
170
195
225
260
M550129-01 Rev A