Miller CST 280 Kullanıcı El Kitabı - Sayfa 22

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Miller CST 280 Kullanıcı El Kitabı

3-10. Stick DCEP (Direct Current Electrode Positive) Connections

3-11. Electrical Service Guide

CAUTION:
Y
INCORRECT INPUT POWER can damage this welding power source. This welding
power source requires a CONTINUOUS supply of 50/60 Hz power at +10% of rated input voltage. Do
not use a generator with automatic idle device (that idles engine when no load is sensed) to supply
generator input power to this welding power source.
NOTE
Input Voltage
Input Amperes At Rated Output
Max Recommended Standard Fuse Rating In Amperes
Circuit Breaker
Min Input Conductor Size In AWG
Max Recommended Input Conductor Length In Feet (Meters)
Min Grounding Conductor Size In AWG
Reference: 2005 National Electrical Code (NEC) (including article 630)
1 Choose a circuit breaker with time-current curves comparable to a Time Delay Fuse.
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).
4 Conductor data in this section specifies conductor size (excluding flexible cord or cable) between the panelboard and the equipment per NEC Table
310.16. 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.
Y Caution: Failure to follow these fuse and circuit breaker recommendations could create an electric shock or fire hazard. These
recommendations are for a dedicated branch circuit that applies to the rated output and duty cycle of the welding power source.
OM-217 655 Page 18
2
1
Actual input voltage cannot exceed ± 10% of indicated required input voltage. If
actual input voltage is outside of this range, inadvertent shutdown may occur.
2
1
, Time-Delay
Normal Operating 3
4
4
1
Negative (−) Weld Output
Terminal
Connect work lead to negative weld
output terminal.
2
Positive (+) Weld Output
Terminal
Connect
positive weld output terminal.
50/60 Hz Single-
50/60 Hz Three-Phase,
Phase, 50% Duty
Cycle
208
220
230
208
220
43.9
43.9
43.0
36.0
35.0
50
50
50
45
45
70
70
70
60
60
8
8
8
10
10
117
129
141
101
113
(36)
(39)
(43)
(31)
(34)
8
8
8
10
10
electrode
holder
to
803 944-A
35% Duty Cycle
230
400
460
575
34.2
19.8
17.8
14.7
45
25
20
15
50
30
25
20
10
14
14
14
123
149
196
306
(38)
(45)
(60)
(93)
10
14
14
14