Miller Electric 251 NT manual Approximate Power Requirements For Industrial Motors

Page 38

9-5. Approximate Power Requirements For Industrial Motors

Industrial Motors

Rating

Starting Watts

Running Watts

 

 

 

 

Split Phase

1/8 HP

800

300

 

1/6 HP

1225

500

 

1/4 HP

1600

600

 

1/3 HP

2100

700

 

1/2 HP

3175

875

Capacitor Start-Induction Run

1/3 HP

2020

720

 

1/2 HP

3075

975

 

3/4 HP

4500

1400

 

1 HP

6100

1600

 

1-1/2 HP

8200

2200

 

2 HP

10550

2850

 

3 HP

15900

3900

 

5 HP

23300

6800

Capacitor Start-Capacitor Run

1-1/2 HP

8100

2000

 

5 HP

23300

6000

 

7-1/2 HP

35000

8000

 

10 HP

46700

10700

Fan Duty

1/8 HP

1000

400

 

1/6 HP

1400

550

 

1/4 HP

1850

650

 

1/3 HP

2400

800

 

1/2 HP

3500

1100

 

 

 

 

9-6. Approximate Power Requirements For Farm/Home Equipment

Farm/Home Equipment

Rating

Starting Watts

Running Watts

 

 

 

 

Stock Tank De-Icer

 

1000

1000

Grain Cleaner

1/4 HP

1650

650

Portable Conveyor

1/2 HP

3400

1000

Grain Elevator

3/4 HP

4400

1400

Milk Cooler

 

2900

1100

Milker (Vacuum Pump)

2 HP

10500

2800

FARM DUTY MOTORS

1/3 HP

1720

720

Std. (e.g. Conveyors,

1/2 HP

2575

975

Feed Augers, Air

3/4 HP

4500

1400

Compressors)

1 HP

6100

1600

 

1-1/2 HP

8200

2200

 

2 HP

10550

2850

 

3 HP

15900

3900

 

5 HP

23300

6800

High Torque (e.g. Barn

1-1/2 HP

8100

2000

Cleaners, Silo Unloaders,

5 HP

23300

6000

Silo Hoists, Bunk Feeders)

7-1/2 HP

35000

8000

 

10 HP

46700

10700

3-1/2 cu. ft. Mixer

1/2 HP

3300

1000

High Pressure 1.8 Gal/Min

500 PSI

3150

950

Washer 2 gal/min

550 PSI

4500

1400

2 gal/min

700 PSI

6100

1600

Refrigerator or Freezer

 

3100

800

Shallow Well Pump

1/3 HP

2150

750

 

1/2 HP

3100

1000

Sump Pump

1/3 HP

2100

800

 

1/2 HP

3200

1050

 

 

 

 

OM-486 Page 34

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Contents Description OM-486Processes From Miller to You Table of Contents Page Electric Shock can kill Symbol UsageArc Welding Hazards ARC Rays can burn eyes and skinEngine Hazards Engine Exhaust Gases can kill Battery Explosion can BlindMoving Parts can cause injury Engine Heat can cause fireRadiation can cause interference Principal Safety StandardsEMF Information ARC Welding can cause interferenceUN Choc É Lectrique peut tuer Signification des symbolesConsignes DE SÉ Curité Lire Avant Utilisation LES Fumé ES ET LES GAZ peuvent ê tre dangereuxDES PIÈ CES Chaudes peuvent provoquer des brû lures graves LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux LE Bruit peut affecter l’ouïeLA Chaleur DU Moteur peut pro- voquer un incendie DES Organes Mobiles peuvent provoquer des blessures’EXPLOSION DE LA Batterie peut LA Chute DE L’APPAREIL peut blesserLE Soudage À L’ARC risque de provoquer des interfé rences Principales normes de sé curitéInformation sur les champs é lectromagné tiques Consignes relatives aux stimulateurs cardiaquesWeld, Power, And Engine Specifications SpecificationsSymbol Definitions DefinitionsFuel Consumption Dimensions, Weights, and Operating AnglesDimensions Duty Cycle Auxiliary Power CurveExceeding duty cycle can damage unit and void warranty CC/AC Mode CC/DC ModeCV/DC Mode Volt-Ampere CurvesEngine Prestart Checks InstallationInstalling Welding Generator Read and follow all instruc Activating The Dry Charge Battery If ApplicableDo not overfill battery cells ChargerConnecting To Weld Output Terminals Connecting The BatteryInstalling Exhaust Pipe Connect negative cable last100 ft 30 m Or Less Selecting Weld Cable SizesRemote 14 Receptacle Information 10 100% Duty CycleTo wet out weld puddle Adjusting MIG Weld Puddle ConsistencyStop engine To stiffen weld puddleRemote Amperage/Voltage Switch DC Polarity/AC SwitchDo not switch under load Operating Welding GeneratorRemote Amperage/Voltage Control Weld Current 120 240 Auxiliary Power Receptacles And Circuit BreakersOperating Auxiliary Equipment Optional Auxiliary Power Receptacles Gfci Receptacle OptionMaintenance and Troubleshooting Maintenance Label Stop engine and let cool Servicing Air CleanerServicing Optional Spark Arrestor Changing Engine Oil, Oil Filter, And Fuel Filter Weld/Power Speed Adjustment Adjusting Engine SpeedIdle Speed Adjustment Welding TroubleshootingOverload Protection Trouble RemedyCheck and adjust engine speed see Section Low weld output Check control settingsCheck and clean air cleaner as necessary see Section See engine manualEngine Auxiliary PowerCheck receptacle wiring and connections Check governor according to engine manualElectrical Diagram Circuit Diagram For Welding GeneratorST-190 578-B Grounding Generator To Truck Or Trailer Frame Auxiliary Power GuidelinesSelecting Equipment Earth ground if supplying Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Amperes x Volts = WattsIndustrial Motors Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsSingle-Phase Induction Motor Starting Requirements Power Required To Start MotorHow Much Power Can Generator Supply? KVA/HP x HP xTypical Connections To Supply Standby Power 240 120 GroundSelecting Extension Cord Use Shortest Cord Possible Current Load Watts Amperes24-Fig Parts ListMain Assembly Dia Part Description Mkgs Quantity Panel, Front w/Components Panel, Front w/Components -1 Item Generator -1 Item Page Page Page Support ServiceYour distributor also gives Owner’s Record Miller Electric Mfg. Co

251 NT specifications

The Miller Electric 251 NT is a highly regarded multi-process welding machine known for its versatility and advanced features, making it an ideal choice for professionals in various industries. With its robust construction and user-friendly interface, the 251 NT provides an efficient solution for MIG, TIG, and Stick welding applications.

One of the main features of the Miller Electric 251 NT is its impressive output range, which allows for welding on a variety of materials and thicknesses. It delivers up to 250 amps of power, enabling users to tackle both thin and thick metals with ease. Additionally, the machine is equipped with an Auto-Set feature, which automatically adjusts the welding settings according to the material thickness and type. This eliminates the guesswork, significantly enhancing productivity and reducing setup time.

Another noteworthy aspect of the Miller Electric 251 NT is its inverter technology. This advanced technology provides a compact, lightweight design without compromising performance. Inverter technology allows for greater energy efficiency, resulting in reduced operational costs over time. The 251 NT also features a Duty Cycle of 60% at 250 amps, which means it can handle demanding tasks while maintaining optimal performance.

The Miller Electric 251 NT is designed with user convenience in mind. The intuitive digital display offers clear visibility of the settings, allowing welders to make quick adjustments. Furthermore, the machine includes a built-in memory function to store frequently used parameters, enhancing workflow efficiency.

Safety is a key component of the 251 NT's design. It comes equipped with various safety features, including overload protection and a thermal overload warning system. These features ensure that the machine operates within safe limits, minimizing the risk of damage and ensuring longevity.

In terms of portability, the Miller Electric 251 NT's lightweight design and integrated handle make it easy to transport between job sites. The durable housing protects the internal components, making it suitable for rigorous use in demanding environments.

Overall, the Miller Electric 251 NT offers a combination of power, flexibility, and ease of use, making it a top choice for welders looking to enhance their capabilities across multiple welding processes. Whether in a professional shop or on a construction site, the 251 NT stands out as a reliable and efficient welding solution.