Hobart Welding Products 452, 302, 652 manual Connecting Input Power

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3-13. Connecting Input Power

YDisconnect and lockout/tagout in- put power before connecting input conductors from unit.

YHave only qualified persons make this installation.

See rating label on unit and check input voltage available at site.

7

3

When making connections in the line disconnect device, connect the Green Or Green/Yellow conductor first.

= GND/PE Earth Ground

1

9

8

4

1Line Disconnect Device

2Input Conductors

3Grounding Conductor

Select size and length using Section 3-11. Conductors must comply with national, state, and local electrical codes. If applica- ble, use lugs of proper amperage capacity and correct hole size.

4 Strain Relief

Route conductors through strain relief.

5Machine Grounding Terminal

6Line Terminals

YMake input power connections to the welding power source before making connections into a deener- gized line disconnect device.

Install conductors into a deenergized line dis- connect device.

Connect green or green/yellow grounding conductor to machine grounding terminal first. Then connect input conductors to line terminals.

Close access door.

Make connections to machine first and supply last.

3

10

 

IMPORTANT

 

6

3

 

Input Contactor

 

L1 (U)

 

2

L2 (V)

 

 

L3 (W)

 

3

5

 

 

 

 

GND/ PE Connect Green Or Green/Yellow

 

 

GND/PE Conductor First.

7Disconnect Device (Supply) Grounding Terminal

8Disconnect Device Line Terminals

YIn the deenergized line disconnect device, connect green or green/ yellow grounding conductor to supply grounding terminal first, never to a line terminal. Be sure grounding conductor goes to an earth ground.

Connect input conductors to line termi- nals.

9 Overcurrent Protection

Select type and size using Section 3-11 (fused disconnect switch shown).

Close door on line disconnect device.

10Reed Switch (Ground Current Sensor) (Optional)

Tools Needed:

3/8 in

3/8 in

If unit is equipped with optional ground cur- rent sensor, route grounding conductor through reed switch two times and con- nect to ground terminal.

Close access door.

ST-800 103-B / Ref. ST-801 116

OM-222 Page 21

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Contents Processes OM-222Description From Hobart to You Table of Contents Page Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killPrincipal Safety Standards About Pacemakers EMF InformationConsignes DE Securite Lire Avant Utilisation Signification des symbolesUN 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 LA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU’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 Definitions General Precautionary LabelInput Connection Label Nameplate Safety SymbolsElectric Shock And Airflow Label ? aManufacturer’s Rating Labels For CE Products Symbols And Definitions Specifications InstallationDuty Cycle And Overheating Amp Model Volt-Ampere CurvesSelecting a Location Dimensions And WeightsMovement Location And Airflow Turn Off power before connecting to receptacle Be careful when placing or moving unit over uneven surfacesTipping VAC Receptacle And Circuit BreakersRemote 14 Receptacle Information Weld Output Terminals And Selecting Cable SizesConnecting Remote Control Electrical Service Guide Placing Jumper Links Have only qualified persons make this installation Connecting Input PowerTurn Off power before connecting re- mote device Turn Off Power before reversing cablesOperation Controls Non CE ModelsRoutine Maintenance Maintenance and TroubleshootingDisconnect power before maintaining Months Controls CE ModelsFuse F1 TroubleshootingTrouble Remedy Circuit Diagram Electrical DiagramMain Assembly 452 Model Illustrated Main Assembly TP1,2 119 Panel, Front w/Components -1 Item NEG Rectifier, Si Diode 302 Model -1 Item 175Panel, Rear w/Components -1 Item Page Page Support ServiceHobart Welding Products Contact your Distributor for
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652, 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.