Hobart Welding Products 300 DC - Manual (Page 13)

OM-318 Page 9
SECTION 2 – INSTALLATION
2-1. Specifications
Rated Weld
Max.
Input at Rated Load Output,
50/60 Hz, Single-Phase
Model Weld
Output
Output
Mode
Open-
Circuit Amperes At
KVA KW
Output Mode
Voltage
200 V 220 V 230 V 380 V 415 V 460 V 575 V
NEMA Class II (40):
200 Amperes, 28
Volts AC, 40% Duty
Cycle
AC
80 Volts
AC
85
(4.6)*
74
(4)*
37
(2)*
29
(1.6)*
16.8
(0.91)*
8.2
(0.58)*
60 Hz
NEMA Class II (50):
300 Amperes, 32
CC
68 Volts
DC
105
(4.6)*
91
(4)*
46
(2)*
36
(1.6)*
20.9
(0.91)*
13.6
(0.58)*
300 Amperes, 32
Volts DC, 50% Duty
Cycle CV
40 Volts
DC
103
(7)* 90
(6.2)*
45
(3.1)*
36
(2.5)*
20.7
(1.4)*
13.6
(0.74)*
NEMA Class II (40):
200 Amperes, 28
Volts AC, 40% Duty
Cycle
AC
80 Volts
AC
71
(4.7)*
41
(2.7)*
37
(2.5)*
15.7
(1.0)*
7.9
(0.5)*
50 Hz
NEMA Class II (50):
300 Amperes, 32
CC
57 Volts
DC
90
(4.7)*
52
(4.7)*
48
(2.5)*
19.3
(1.0)*
13.1
(0.5)*
300 Amperes, 32
Volts DC, 50% Duty
Cycle CV
40 Volts
DC
98
(6.2)*
57
(3.6)*
52
(3.3)*
21.6
(1.4)*
13.5
(0.73)*
*While idling.
2-2. Volt-Ampere Curves
va_curve1 4/95 – ST-127 201 / ST-127 198 / ST-127 197
Volt-ampere curves show mini-
mum and maximum voltage and
amperage output capabilities of
unit. Curves of other settings fall be-
tween curves shown. A. AC Mode
B. CC Mode DC C. CV Mode DC