Hobart Welding Products 500 manual Installation, Specifications, Duty Cycle And Overheating

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SECTION 3 – INSTALLATION

3-1. Specifications

 

 

 

 

 

Amperes Input at Rated Load

 

 

 

 

 

 

 

Output, 50 or 60 Hz,

 

 

 

Rated Welding

Amp Range

Max OCV

 

 

Three-Phase

 

 

 

 

 

 

 

 

 

 

 

 

Model

Output

DC

DC

IP Rating

220 V

 

380 V

 

440 V

KVA

KW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A (Low)

 

 

 

 

 

 

 

 

 

 

500 A @ 40 Volts

(45 – 250)

 

 

103

 

60

 

51

39.2

27

SRH-500

DC, 50 Or 60 Hz,

75

23M

 

 

B (High)

5.5*

 

3.2*

 

2.7*

2.1*

0.8*

 

35% Duty Cycle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(60 – 500)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*While idling

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3-2. Duty Cycle And Overheating

Duty Cycle is percentage of 10 min-

utes that unit can weld at rated load without overheating.

Y Exceeding duty cycle can damage unit and void warranty.

35% Duty Cycle At 500 Amperes

3-1/2 Minutes Welding

6-1/2 Minutes Resting

Overheating

0

V

 

 

15

 

 

OR

 

Minutes

Reduce Duty Cycle

duty1 4/95 / 201 171

 

OM-201 444 Page 12

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Contents Processes OM-201Description 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 General Precautionary Label DefinitionsNameplate Safety Symbols Input Connection LabelElectric Shock And Airflow Label ? aManufacturer’s Rating Labels For CE Products Symbols And Definitions60-550A Specifications InstallationDuty Cycle And Overheating Volt-Ampere Curves Selecting a Location Movement Location And AirflowBe careful when placing or moving unit over uneven surfaces Dimensions And WeightsTipping Selecting And Preparing Weld Output Cables Connecting To Weld Output Terminals Weld Cable Sizes150 ft 200 ft 250 ft 300 ft 350 ft 45 m 60 m 70 m 90 m 105 m 120 mElectrical Service Guide Remote Amperage Control ReceptacleConnecting Input Power Placing Jumper LinksConnecting Input Power Operation Amperage Adjustment ControlControls Remote Amperage Switch Power SwitchMaintenance & Troubleshooting Routine MaintenanceDisconnect power before maintaining Months Ammeter And Voltmeter OptionalOverload Protection Troubleshooting TableTrouble Remedy Electrical Diagram Circuit DiagramOM-201 444 Parts List Main AssemblyParts For Optional Equipment Panel, Front w/Components -1 Item Panel, Rear w/Components -1 Item Transformer & Amplifier, Power Main 50 Hz Service SupportContact your Distributor for Hobart Welding Products