Hobart Welding Products 302, 452 manual Weld Output Terminals And Selecting Cable Sizes

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S-0007-E

3-8. 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)

 

 

 

 

 

Turn Off power before

Welding

10 – 60%

60 – 100%

 

 

 

 

 

 

connecting to weld output

Duty

 

 

10 – 100% Duty Cycle

 

 

Amperes

Duty Cycle

 

 

 

 

terminals.

Cycle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100

4

4

4

3

2

1

1/0

1/0

 

 

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

Positive CC

Negative

350

1/0

2/0

3/0

4/0

2-2/0

2-3/0

2-3/0

2-4/0

 

 

 

 

 

 

 

 

 

Terminal

 

400

1/0

2/0

3/0

4/0

2-2/0

2-3/0

2-4/0

2-4/0

 

Positive CV

500

2/0

3/0

4/0

2-2/0

2-3/0

2-4/0

3-3/0

3-3/0

 

Terminal

600

3/0

4/0

2-2/0

2-3/0

2-4/0

3-3/0

3-4/0

3-4/0

 

 

 

 

700

4/0

2-2/0

2-3/0

2-4/0

3-3/0

3-4/0

3-4/0

4-4/0

*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. Contact your distributor for the mm2 equivalent weld cable sizes.

3-9. Remote 14 Receptacle And Terminal Strip 1T Information

 

Socket

Terminal

Information

 

A

A

24 volts ac. Protected by circuit breaker CB2.

24 VOLTS AC

B

B

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

 

 

C

C

Command reference; 0 to +10 volts dc (CC), +10 volts dc (CV).

REMOTE OUTPUT CONTROL

D

D

Remote control circuit common.

 

E

E

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

 

F

*

Current feedback; 0 to +10 volts dc, 1 volt per 100 amperes.

 

H

*

Voltage feedback; 0 to +10 volts dc, 1 volt per 10 arc volts.

 

I

I

115 volts, 15 amperes, 60 Hz ac. Protected by circuit breaker CB1.

115 VOLTS AC

J

J

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

 

GND

K

K

Chassis common.

G

*

Circuit common for 24 and 115 volts ac circuits.

 

REMOTE POWER ON/OFF

*

L

To remote On/Off switch.

*

M

 

 

REMOTE VOLTAGE SENSING

*

N

Voltage sensing signal from Negative (-) weld output terminal.

*

P

Voltage sensing signal from Positive (+) weld output terminal.

 

* Not Used

 

 

 

OM-277 Page 16

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Contents Description OM-277Processes 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 UN Choc Électrique peut tuerLES Fumées ET LES GAZ peuvent être dangereux Identifie un message de sécurité particulierLE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Pièces Chaudes peuvent pro- voquer des brûlures graves LE Bruit peut affecter l’ouïeRisque D’INCENDIE OU LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresConsignes relatives aux stimulateurs cardiaques Principales normes de sécuritéInformation sur les champs électromagnétiques General Precautionary Label DefinitionsNameplate Safety Symbols Input Connection LabelElectric Shock And Airflow Label ? aSymbols And Definitions Manufacturer’s Rating Labels For CE ProductsDuty Cycle And Overheating InstallationSpecifications 300 Amp 450 Amp CC Mode CV Mode Volt-Ampere CurvesDimensions And Weights DimensionsWeight Selecting a LocationBe careful when placing or moving unit over uneven surfaces Turn Off power before connecting to receptacleTipping VAC Receptacle And Circuit BreakersWeld Output Terminals And Selecting Cable Sizes Remote 14 Receptacle And Terminal Strip 1T InformationConnecting Remote Control OrorElectrical Service Guide Placing Jumper Links Connecting Input Power Operation Controls Non CE ModelsControls CE Models Maintenance & Troubleshooting Routine MaintenanceDisconnect power before maintaining Fuse F1Troubleshooting Trouble RemedyElectrical Diagram Circuit DiagramParts List Main AssemblyQuantity Panel, Front w/Components Panel, Front w/Components -1 Item Rectifier, Si Diode 302 Model -1 Item Rectifier, Si Diode 452 Model -1 Item Panel, Rear w/Components -1 Item Page Page Service SupportContact your Distributor for Hobart Welding Products
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302, 452 specifications

Hobart Welding Products has established itself as a trusted name in the world of welding equipment, and among its extensive lineup, the 452,302 model stands out for its exceptional performance and versatility. This MIG welder is designed to meet the needs of both professionals and hobbyists, ensuring high-quality welds in a variety of applications.

One of the main features of the Hobart 452,302 is its robust build quality. Constructed with durable materials, this welder is designed to withstand the rigors of heavy use while maintaining consistent performance. Its compact design allows for portability, making it an excellent choice for on-site jobs or home workshops.

The 452,302 operates on a 230V input power, providing a strong output range that can handle a variety of welding tasks, from thin sheets of metal to thicker materials. It boasts a high maximum output of 230 amps, which allows it to tackle demanding projects with ease. This flexibility makes it suitable for professionals in construction, fabrication, and even automotive repair.

With its excellent arc stability, the Hobart 452,302 ensures ease of use and reduces the chance of defects in welds. The welder features an adjustable wire feed speed, allowing users to dial in the perfect setting for their specific welding task. This customization is crucial for achieving optimal results, as different materials and thicknesses require varying settings.

In terms of technology, the 452,302 integrates advanced thermal overload protection, safeguarding against overheating and prolonging the lifespan of the machine. This feature is particularly beneficial in high-demand environments, where extended periods of operation can lead to equipment failure.

The Hobart 452,302 is also compatible with a range of wire sizes and types, enabling users to expand their welding capabilities. This versatility is enhanced by the welder’s easy connectivity to gas regulators, making it suitable for both gas-shielded and flux-cored welding processes.

In conclusion, the Hobart Welding Products 452,302 is a powerful and versatile MIG welder designed to meet the diverse needs of welders. With its robust build, excellent performance features, and advanced safety technologies, it is a reliable choice for anyone seeking top-quality welding equipment. Whether you're a seasoned professional or an enthusiastic beginner, the 452,302 delivers the performance and durability necessary for successful welds on a variety of projects.