Tweco 500SP PowerMaster User Manual
Page 31
POWERMASTER 320SP, 400SP, 500SP
March 16, 2007
3-5
3.06 Connecting Single-Phase Input Power to 320SP or 400SP or 500SP
!
WARNINGS
Installation must meet all National and Local Codes - have only qualified persons make this instal-
lation.
Disconnect and lockout/tagout input power before connecting input conductors from unit.
Always connect green or green/yellow conductor to supply grounding terminal first, and never to a
line terminal.
Make input power connections to the welding power source first.
Input Mains Voltage (50/60 Hz)
V
208
230
400
460
Max Recommended Circuit Breaker or Time-Delay Fuse
A
70
60
40
35
Max Recommended Standard Normal Operating Fuse
A
90
70
45
40
Min Input Conductor Size
AWG
6
6
10
12
Min Input Conductor Size
AWG
8
8
10
12
Suggested Input Cord Type
Carolprene® Jacketed Type
SOOW 90°C 600 Volt
UL/CSA Portable Cord
Single-Phase
320SP
Input Mains Voltage (50/60 Hz)
V
208
230
400
460
208
230
400
460
Max Recommended Circuit Breaker or Time-Delay Fuse
A
100
90
50
45
100
90
50
45
Max Recommended Standard Normal Operating Fuse
A
110
100
60
55
110
100
60
55
Min Input Conductor Size
AWG
4
4
8
10
4
4
8
10
Min Input Conductor Size
AWG
6
6
8
10
6
6
8
10
Suggested Input Cord Type
Single-Phase
Carolprene® Jacketed Type SOOW 90°C 600 Volt
UL/CSA Portable Cord
400SP
Single-Phase
500SP
Art: A-07859
Primary Power Cable
Line Fuse
Line
Disconnect
Switch
Ground
Conductor
Ground
Terminal
GND/PE