Miller Auto-Line XMT 350 OS Manuel du propriétaire - Page 18

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Miller Auto-Line XMT 350 OS Manuel du propriétaire

4-4. Electrical Service Guide

NOTICE − INCORRECT INPUT POWER can damage this welding power source. Phase to ground voltage shall not exceed +10% of rated input
voltage.
NOTICE − Actual input voltage should not be 10% less than minimum and/or 10% more than maximum input voltages listed in table. If actual input
voltage is outside this range, output may not be be available.
Failure to follow these electrical service guide recommendations could create an electric shock or fire hazard. These recommenda-
tions are for a dedicated branch circuit sized for the rated output and duty cycle of the welding power source.
Input Voltage (V)
Input Amperes (A) At Rated Output
Max Recommended Standard Fuse Rating In Amperes
2
Time-Delay Fuses
3
Normal Operating Fuses
Min Input Conductor Size In AWG/Kcmil
Max Recommended Input Conductor Length In Feet (Meters)
Min Grounding Conductor Size In AWG/Kcmil
Input Voltage (V)
Input Amperes (A) At Rated Output
Max Recommended Standard Fuse Rating In Amperes
2
Time-Delay Fuses
3
Normal Operating Fuses
Min Input Conductor Size In AWG/Kcmil
Max Recommended Input Conductor Length In Feet (Meters)
Min Grounding Conductor Size In AWG/Kcmil
Reference: 2011 National Electrical Code (NEC) (including article 630)
1 If a circuit breaker is used in place of a fuse, choose a circuit breaker with time-current curves comparable to the recommended fuse.
2 "Time-Delay" fuses are UL class "RK5" . See UL 248.
3 "Normal Operating" (general purpose - no intentional delay) fuses are UL class "K5" (up to and including 60 amps), and UL class "H" ( 65 amps and
above).
4 Conductor data in this section specifies conductor size (excluding flexible cord or cable) between the panelboard and the equipment per NEC Table
310.15(B)(16). If a flexible cord or cable is used, minimum conductor size may increase. See NEC Table 400.5(A) for flexible cord and cable
requirements.
OM-244 642 Page 14
1
4
4
1
4
4
Single-Phase
208
230
400
60.8
54.6
29.7
70
60
35
80
80
45
8
8
10
72
89
176
(22)
(27)
(54)
8
8
10
Three-Phase
208
230
400
40.4
36.1
20.6
45
40
25
60
50
30
8
10
12
119
96
175
(36)
(29)
(53)
10
10
12
460
575
25.4
19.9
30
25
40
30
12
12
140
219
(43)
(67)
12
12
460
575
17.8
14.1
20
15
25
20
14
14
150
234
(46)
(71)
14
14