Hobart Welding Products 300 AC, 300 DC Weld Output Terminals And Selecting Cable Sizes, Cycle

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2-6. Weld Output Terminals And Selecting Cable Sizes

 

 

 

 

Total Cable (Copper) Length In Weld Circuit Not Exceeding

 

 

 

 

100 ft (30 m) Or Less

150 ft

200 ft

250 ft

300 ft

350 ft

400 ft

 

 

 

(45 m)

(60 m)

(70 m)

(90 m)

(105 m)

(120 m)

 

 

 

 

 

Weld Output

Welding

10 – 60%

60 – 100%

 

 

10 – 100% Duty Cycle

 

Duty

Duty

 

 

 

Terminals

Amperes

 

 

 

Cycle

Cycle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SMAW/GTAW

100

4

4

4

3

2

1

1/0

1/0

 

 

 

 

 

 

 

 

 

AC/CC (+)

AC/CC (–)

150

3

3

2

1

1/0

2/0

3/0

3/0

 

 

 

 

200

3

2

1

1/0

2/0

3/0

4/0

4/0

 

 

250

2

1

1/0

2/0

3/0

4/0

2-2/0

2-2/0

 

 

300

1

1/0

2/0

3/0

4/0

2-2/0

2-3/0

2-3/0

 

 

350

1/0

2/0

3/0

4/0

2-2/0

2-3/0

2-3/0

2-4/0

CV (+)

CV (–)

400

1/0

2/0

3/0

4/0

2-2/0

2-3/0

2-4/0

2-4/0

FCAW/GMAW

 

 

 

 

 

 

 

 

 

 

Ref. ST-152 973-A

500

2/0

3/0

4/0

2-2/0

2-3/0

2-4/0

3-3/0

3-3/0

Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere.

S-0007-D

2-7. Remote 14 Receptacle

A

J

B

K

I

 

 

C

L N

H

D

M

G

 

E

F

Ref. ST-152 973-A

Socket*

Socket Information

A24 volts ac. Protected by circuit breaker CB2.

BContact closure to A completes 24 volts ac contactor control circuit.

G

Circuit common for 24 and 115 volts ac circuits.

 

 

I

115 volts ac. Protected by circuit breaker CB1.

JContact closure to I completes 115 volts ac contactor control circuit.

CCommand reference; 0 to +10 volts dc output to remote control.

DRemote control circuit common.

E0 to +10 volts dc input command signal from remote control.

K

Chassis common.

*The remaining sockets are not used.

OM-318 Page 12

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Contents Processes OM-318Description From Hobart to You Table of Contents Page Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explosionFlying Metal can injure eyes Buildup of GAS can injure or killPrincipal Safety Standards EMF Information About PacemakersSignification des symboles Consignes DE Securite Lire Avant UtilisationUN Choc É Lectrique peut tuer LES Fumé ES ET LES GAZ peuvent ê tre dangereuxDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionLE Bruit peut affecter l’ouïe Risque D’INCENDIE OU LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresInformation sur les champs é lectromagné tiques Principales normes de sé curitéConsignes relatives aux stimulateurs cardiaques Installation SpecificationsAC Mode CC Mode DC CV Mode DCDC Mode CV or CC Duty Cycle And OverheatingDimensions And Weights DimensionsWeight Selecting a LocationWeld Output Terminals And Selecting Cable Sizes Remote 14 ReceptacleWeld Output Welding 10 60% 60 100% 10 100% Duty Cycle CycleVolts AC Duplex Receptacle Electrical Service Guide60 Hz 50 Hz Special installation may be Placing Jumper Links And Connecting Input PowerSection Operation ControlsMaintenance & Troubleshooting Routine MaintenanceDisconnect power before maintaining MonthsTroubleshooting Trouble RemedyOM-318 Electrical Diagram Circuit DiagramParts List Main AssemblyPLG51 Panel, Front w/Components Panel, Front w/Components -1 Item 126 Rectifier, Si Diode -1 ItemPage Page Service SupportContact your Distributor for Hobart Welding Products