Hobart Welding Products 300 DC, 300 AC Installation, Specifications, Volt-Ampere Curves, AC Mode

SECTION 2 – INSTALLATION

2-1.

Specifications

Max.

Input at Rated Load Output,

Rated

Weld

50/60 Hz, Single-Phase

Model

Open-

KVA

KW

Weld

Output

Amperes At

Circuit

Output

Mode

Voltage

200 V

220 V

230 V

380 V

415 V

460 V

575 V

NEMA Class II (40):

80 Volts

85

74

37

29

16.8

8.2

200 Amperes, 28

AC

Volts AC, 40% Duty

AC

(4.6)*

(4)*

(2)*

(1.6)*

(0.91)*

(0.58)*

Cycle

60 Hz

NEMA Class II (50):

CC

68 Volts

105

91

46

36

20.9

13.6

DC

(4.6)*

(4)*

(2)*

(1.6)*

(0.91)*

(0.58)*

300 Amperes, 32

Volts DC, 50% Duty

CV

40 Volts

103

90

45

36

20.7

13.6

Cycle

DC

(7)*

(6.2)*

(3.1)*

(2.5)*

(1.4)*

(0.74)*

NEMA Class II (40):

80 Volts

71

41

37

15.7

7.9

200 Amperes, 28

AC

Volts AC, 40% Duty

AC

(4.7)*

(2.7)*

(2.5)*

(1.0)*

(0.5)*

Cycle

50 Hz

NEMA Class II (50):

CC

57 Volts

90

52

48

19.3

13.1

DC

(4.7)*

(4.7)*

(2.5)*

(1.0)*

(0.5)*

300 Amperes, 32

Volts DC, 50% Duty

CV

40 Volts

98

57

52

21.6

13.5

Cycle

DC

(6.2)*

(3.6)*

(3.3)*

(1.4)*

(0.73)*

*While idling.

2-2. Volt-Ampere Curves

A. AC Mode

Volt-ampere curves show mini- mum and maximum voltage and amperage output capabilities of unit. Curves of other settings fall be- tween curves shown.

B. CC Mode DC C. CV Mode DC

va_curve1 4/95 – ST-127 201 / ST-127 198 / ST-127 197

OM-318 Page 9