11. electrical service guide – Hobart Welding Products 652 User Manual
Page 23
OM-222 Page 19
3-11. Electrical Service Guide
60 Hertz Models
300 Amp Model
450 Amp Model
650 Amp Model
Input Voltage
200
230
460
575
200
230
460
575
230
460
575
Input Amperes At Rated Output
70
61
31
25
102
89
45
36
124
62
50
Max Recommended Standard Fuse
Rating In Amperes
1
Time-Delay
2
80
70
35
30
125
110
50
45
150
70
60
Normal Operating 3
110
90
45
35
150
125
70
50
175
90
70
Min Input Conductor Size In AWG/
Kcmil
6
8
10
12
4
4
8
10
3
8
8
Max Recommended Input Conductor
Length In Feet (Meters)
149
(45)
131
(40)
356
(108)
342
(104)
136
(41)
180
(55)
319
(97)
335
(102)
144
(44)
210
(64)
328
(100)
Min Grounding Conductor Size In
AWG/Kcmil
6
8
10
12
6
6
8
10
6
8
8
Reference: 1999 National Electrical Code (NEC)
1 Consult factory for circuit breaker applications.
2 “Time-Delay” fuses are UL class “RK5” .
3 “Normal Operating” (general purpose - no intentional delay) fuses are UL class “K5” (up to and including 60 amp), and UL class “H” ( 65 amp and
above).
50 Hertz Models
300 Amp Mode
l
450 Amp Model
650 Amp Model
Input Voltage
380
400
440
380
400
440
380
400
440
Input Amperes At Rated Output
35
33
31
54
51
47
75
71
65
Max Recommended Standard Fuse Rating In
Amperes
1
Time-Delay
2
40
40
35
60
60
50
90
80
80
Normal Operating 3
60
50
50
80
80
70
125
110
100
Min Input Conductor Size In AWG/Kcmil
10
10
10
8
8
8
6
6
6
Max Recommended Input Conductor Length
In Feet (Meters)
243
(74)
269
(82)
326
(99)
218
(66)
241
(73)
292
(89)
219
(67)
242
(74)
293
(89)
Min Grounding Conductor Size In AWG/Kcmil
10
10
10
8
8
8
6
6
8
Reference: 1999 National Electrical Code (NEC)
1 Consult factory for circuit breaker applications.
2 “Time-Delay” fuses are UL class “RK5” .
3 “Normal Operating” (general purpose - no intentional delay) fuses are UL class “K5” (up to and including 60 amp), and UL class “H” ( 65 amp and
above).