Miller Electric SHOPMATE 300 User Manual download pdf (Page 2)

Arc Control – Inductance/MIG

Arc Control – DIG/Stick

Specifications (Subject to change without notice.)

Rated Output

250 A at 30 VDC,

60% Duty Cycle

Amperage

Range

5–400 A

Voltage

Range

10–35 V

Max. Open-

Circuit Voltage

80 VDC

Amps Input at Rated Output, 60 Hz

208 V 230 V 460 V 575 V KVA KW

66 57 29 23 13 11.2

Dimensions

H: 24-1/2 in (622 mm)

including lift eye

W: 19 in (483 mm)

D: 25-1/2 in (648 mm)

Net

Weight

177 lb

(80.3 kg)

TIG

MIG

STICK

LIFT-ARC

TIG™

VOLTA GE

VOLTAGE

AMPERAGE

PANE L

OUTPUT CONTROL

AMPERAGE

ARC CONTROLPOWER

OFF

REMOTE 10

REMOTE 14

CBI

REMOTE

ELECTRODE HOT

WELDING AMPS

% DUTY CYCLE

DUTY CYCLE CHART

500

450

400

350

300

250

200

150

10 20

908070605040

100

Performance Data

Control Panel

1. Ammeter

2. Voltmeter

3. Power Switch

4. Arc Control

5. Voltage/Amperage Adjustment Control

6. Remote 10 Receptacle

7. Supplementary Protector CBI

8. Remote 14 Receptacle

9. Voltage/Amperage Control Switch

Control allows selection of either

panel or remote 14 for amperage or

voltage control.

10. Mode Switch

Switch determines both the process

and output On/Off control. Electrode

hot areas in gray are “contactor on”

positions.

Example: Preset for MIG process and steel wire

Control adjusts inductance for MIG welding.

Set Arc Control to desired wire type. Inductance

determines the “wetness” of the weld puddle.

As setting is increased (rotating Arc Control

clockwise), wetness (puddle fluidity) increases.

For best results, preset Arc Control to the wire

type. Then either increase or decrease setting

within wire type scale to make fine adjustment

to the welding arc.

Example: Stick Mode, 7018 Electrode

Control adjusts Dig when Stick mode is selected

on mode switch. Set Arc Control to desired

electrode type. For best results, preset Arc

Control in middle of the scale for appropriate

electrode type. Then either increase or decrease

setting within electrode type scale to make fine

adjustment to the welding arc.

ARC CONTROL

TIG

MIG

STICK

LIFT-ARC

TIG™

ELECTRODE HOT

ARC CONTROL

TIG

MIG

STICK

LIFT-ARC

TIG™

ELECTRODE HOT

Arc Control

(Counter Clockwise)

Low Inductance

Weld Bead

Arc Control

(Clockwise)

High Inductance

Weld Bead

Certified to both the Canadian and U.S. Standards for welding equipment.

Note: For input conductor and fuse size information consult the Owner’s Manual.

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Miller Electric SHOPMATE 300 User Manual Page 2

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