Thermal Arc POWERMASTER 400SP, Service Manual

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POWERMASTER 400SP, 500SP AUTOMATION
3-2 Octobe r 30, 2008
3.03 Connecting 3-Phase Input Power to 400SP or 500SP
!
WARNINGS
Installation must meet all National and Local Codes - have only qualified pe r sons make this instal-
lation.
Disconnect and lockout/tagout input powe r befo r e connecting input conducto r s f r om unit.
Always connect g r een o r g r een/yellow conducto r to supply g r ounding te r minal fi r st, and neve r to a
line te r minal.
Make input powe r connections to the welding powe r sou r ce fi r st.
Input Mains Voltage (50/60 Hz) V 208 230 400 460 208 230 400 460
Max Recommended Ci r cuit B r eake r o r Time-Delay Fuse A 45 40 25 20 70 60 35 30
Max Recommended Standa r d No r mal Ope r ating Fuse A 55 50 30 25 80 70 40 35
Min Input Conducto r Size AWG 8 8 12 14 4 6 10 10
Min Input Conducto r Size AWG 8 8 12 14 6 8 10 10
Suggested Input Co r d Type
Ca r olp r ene® Jacketed Type SOOW
90°C 600 Volt UL/CSA Po r table Co r d
Three-Phase Three-Phase
400SP 500SP
Art: A-07877
Primary Power Cable
(customer supplied)
Line Fuse
Line
Disconnect
Switch
Ground
Conductor
Ground
Terminal
GND/PE