Miller Electric 255 warranty Specifications, Volt-Ampere Curve, Weight, Stainless Steel

Page 9

SECTION 2 – INSTALLATION

2-1.

Specifications

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rated Welding

 

Amperage Range

 

Maximum Open-

 

Amperes Input at Rated Load

 

 

 

 

 

 

Output, 50 or 60 Hz, Single-Phase

 

 

 

 

Output

 

DC

 

Circuit Voltage DC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

200 V

230 V

460 V

575 V

KVA

 

KW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

200 A @ 28 Volts DC,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60% Duty Cycle

 

40 – 250

 

42

 

 

46

40

20

16

 

9.5

 

8.3

 

 

 

 

 

 

 

 

 

250 A @ 28 Volts DC,

 

 

 

 

1.1*

1.3*

0.5*

0.4*

 

0.31*

 

0.18*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40% Duty Cycle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wire Type And Diameter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wire Feed Speed Range

 

 

Overall Dimensions

 

Weight

Solid Steel /

 

 

Flux Cored/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stainless Steel

 

 

Aluminum

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.030 – .035 in

 

 

 

 

 

 

 

Length: 37 in (940 mm)

 

 

 

 

.023 – .045 in

 

 

 

 

 

 

 

 

 

 

 

 

 

225 lb

 

 

(0.8 – 0.9 mm) And

90 – 1030 IPM (2.9 – 26.2 m/min)

 

Width: 19 in (483 mm)

 

 

(0.6 – 1.2 mm)

 

 

 

(102 kg)

 

3/64 in (1.2 mm) Alu

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Height: 32 in (889 mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*While idling

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operating Temperature Range – –20C to +40C

 

 

Storage Temperature Range – -30C to + 50C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2-2.

Volt-Ampere Curve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The volt-ampere curves show the

 

 

 

 

 

 

 

 

 

 

 

 

 

minimum and

maximum voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

and amperage output capabilities of

 

 

 

 

 

 

 

 

 

 

 

 

 

the welding power source. Curves

 

 

 

 

 

 

 

 

 

 

 

 

 

of other settings fall between the

 

 

 

 

 

 

 

 

 

 

 

 

 

curves shown.

 

 

 

ssb1.1 10/91 – SB-049 424-C

OM-157 066 Page 5

Image 9
Contents Auto ArcR M-25 Gun Page Table of Contents Page Symbol Usage Marks a special safety messageArc Welding Hazards ARC Rays can burn eyes and skin Fire or Explosion hazard Principal Safety StandardsAbout Pacemakers EMF InformationWeight SpecificationsVolt-Ampere Curve Stainless SteelExceeding duty cycle can damage unit and void warranty Welding Power Source Duty Cycle And OverheatingWelding Gun Duty Cycle And Overheating OverheatingInstalling Gas Supply Installing Work ClampRef. ST-800 921-C Positioning Jumper Links Setting Gun PolaritySelecting a Location And Connecting Input Power Electrical Service GuideScale Threading Welding WireControls For Standard Units Front Panel ControlsCenter Baffle Controls Do not Switch Under LoadWeld Parameter Chart OM-157 066 Disconnect power Routine MaintenanceMonths Circuit Breaker CB1Turn Off unit, and disconnect input power Changing Drive Roll And Wire Inlet GuideFuses F1 And F2 Replacing Gun Contact TipCleaning Or Replacing Gun Liner Disconnect gun firstTo Reassemble Gun Remove handle locking nut Slide handle Replacing Switch And/Or Head TubeWelding Trouble Remedy TroubleshootingElectrical Diagram OM-157 066 Parts List 089 Baffle, Center w/Components Baffle, Center w/Components -1 Item Wire Drive And Gears Drive Roll And Wire Guide Kits Wire Drive And Gears -2 Item Panel, Rear w/Components Panel, Front w/Components Exploded View Of Gun Exploded View Of Gun Item Page Page Warranty Owner’s Record