4-2.

Specifications

 

 

 

 

 

 

 

 

 

 

A. 60 Hertz Models

 

 

 

 

 

 

 

 

 

 

 

Rated Output at 20% Duty

Welding Amperage Range

Max.

Rated Output

KVA

KW

Dimensions

Net

Cycle

 

AC High

AC Low

DC

OCV

 

 

 

 

 

Weight

TIG:

150 A at 15 VDC

 

 

 

 

 

 

 

 

 

 

 

(GTAW)

150 A at 15 VAC

50−165

20−50

30−160

 

 

200 V−60 A (3.6)*

12.0

5.4

H: 18 in (457 mm)

140 lb

 

 

 

 

 

78

 

230V−52 A (3.0)*

(0.64)*

(0.3)* W: 13 in (330 mm)

(64 kg)

Stick:

130 A at 25 VDC

 

 

 

 

 

 

 

 

 

 

 

460 V−33 A (1.5)*

 

 

D: 251/ in (648 mm)

 

 

 

 

 

 

 

 

 

 

 

(SMAW)

150 A at 25 VAC

35−165

20−50

25−130

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

* () While idling.

 

 

 

 

 

 

 

 

 

 

 

B. 50 Hertz Models

 

 

 

 

 

 

 

 

 

 

 

Rated Output at 20% Duty

Welding Amperage Range

Max.

Rated Output

KVA

KW

Dimensions

Net

Cycle

 

AC High

AC Low

DC

OCV

 

 

 

 

 

Weight

TIG:

150 A at 15 VDC

50−165

20−50

30−160

 

 

 

 

 

 

 

 

(GTAW)

150 A at 15 VAC

 

 

 

 

 

380 V−39 A (2.0)*

14.8

6.7

H: 18 in (457 mm)

140 lb

Stick:

130 A at 25 VDC

35−165

20−50

25−130

78

 

415 V−36 A (1.5)*

(0.64)*

(0.3)* W: 13 in (330 mm)

(64 kg)

 

 

 

(SMAW)

150 A at 25 VAC

 

 

 

 

 

 

 

 

D: 251/2 in (648 mm)

 

* () While idling.

 

 

 

 

 

 

 

 

 

 

 

4-3. Duty Cycle Chart

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Duty cycle is percentage of 10

 

 

 

 

 

 

 

 

 

 

minutes that unit can weld at rated

 

 

 

 

 

 

 

 

 

 

load without overheating.

 

 

 

 

 

 

 

 

 

 

 

Y Exceeding duty

cycle

can

 

 

 

 

 

 

 

 

 

 

damage unit

and

void

 

 

 

 

 

 

 

 

 

 

warranty.

 

 

 

 

 

 

GTAW:

20% Duty Cycle at 150 A AC/DC

 

 

 

 

 

 

 

 

SMAW:

20% Duty Cycle at 130 A DC, or

 

 

 

 

 

 

 

 

 

 

150 A AC

 

 

 

 

 

2 Minutes

8 Minutes

Welding

Resting

ST-157 648-A

4-4. Volt-Ampere Curves

Volt-ampere curves show minimum and maximum voltage and amper- age output capabilities of welding power source. Curves of other set- tings fall between curves shown.

ssb1.1 10/91 − ST-157 625-B / ST-157 626-B

OM-303 Page 11

Page 15
Image 15
Mamiya Econotig manual Specifications, Duty Cycle Chart, Volt-Ampere Curves, Hertz Models