Miller Electric CP-252TS, CP-302 manual Weld Output Terminals And Selecting Cable Sizes

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S-0007-E

2-10. Weld Output Terminals And Selecting Cable Sizes

Y ARC WELDING can cause Electromagnetic Interference.

To reduce possible interference, keep weld cables as short as possible, close together, and down low, such as on the floor. Locate welding operation 100 meters from any sensitive electronic equipment. Be sure this welding machine is installed and grounded according to this manual. If interference still occurs, the user must take extra measures such as moving the welding machine, using shielded cables, using line filters, or shielding the work area.

 

 

 

 

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)

 

 

 

 

 

Connecting to weld

Welding

10 − 60%

60 − 100%

 

 

 

 

 

 

Duty

Duty

 

 

10 − 100% Duty Cycle

 

output terminals

Amperes

 

 

 

Cycle

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

+

350

1/0

2/0

3/0

4/0

2-2/0

2-3/0

2-3/0

2-4/0

 

 

400

1/0

2/0

3/0

4/0

2-2/0

2-3/0

2-4/0

2-4/0

 

 

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

2-11. Remote 14 Receptacle Information

A K

J I

B

 

 

C

L N

H

D

M

G

 

E

F

Socket*

Socket Information

A24 volts ac. Protected by circuit breaker CB2.

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

I

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

 

 

J

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

GCircuit common for 24 and 115 volts ac circuits.

K Chassis common.

*The remaining sockets are not used.

OM-259 Page 16

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Contents Processes DescriptionFrom Miller 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 killWelding Wire can cause injury Fire or Explosion hazardMoving Parts can cause injury Falling Unit can cause injuryAbout Pacemakers Principal Safety StandardsEMF Information Signification des symboles LES Décharges Électriques peuvent être mortellesLES Fumées ET LES GAZ peuvent être dangereux Identifie un message de sécurité particulierLE Soudage peut causer un incen- die ou une explosion LES Particules Projetées peu- vent blesser les yeuxLES Pièces Chaudes peuvent cau- ser des brûlures graves LE Bruit peut affecter l’ouïeRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut Faire LES Pièces Mobiles peuvent cau- ser des blessuresConsignes relatives aux stimulateurs cardiaques Principales normes de sécuritéInformation sur les champs électromagnétiques Specifications Duty Cycle And Overheating200 230 380 400Volt-Ampere Curves Ampere ModelsWeight Dimensions And WeightsDimensions Movement Tipping Do not move or operate unit where it could tipSelecting a Location For GMAW, use optional gas valve Slope Selection 250 Ampere Model Slope Connection Label Tapped Reactor AC-Z And Slope CoilsInductance Selection 300 Ampere Models ARC Welding can cause Electromagnetic Interference Weld Output Terminals And Selecting Cable SizesRemote 14 Receptacle Information Connecting To 115 Volts AC Duplex Receptacle Electrical Service GuidePlacing Jumper Links +/- 5 in lbConnecting Input Power = GND/PE Earth GroundRoutine Maintenance Disconnect powerControls MonthsOverload Protection Replacing FusesTroubleshooting Trouble Remedy− Electrical Diagrams Circuit Diagram For 300 Ampere Models OM-259 − Parts List Complete Assembly Panel, Front w/Components RC8 Rectifier Assembly Service SupportOwner’s Record Miller Electric Mfg. Co

CP-302, CP-252TS specifications

The Miller Electric CP-252TS and CP-302 are advanced power sources designed to meet the demands of both the industrial and manufacturing sectors. Known for their reliability and performance, these models are ideal for a variety of welding applications, including MIG, TIG, and stick welding.

One of the main features of the CP-252TS is its superior arc stability, which is essential for achieving high-quality welds. This model integrates Miller's Auto-Set technology, enabling users to easily configure their welding parameters for optimal performance. By simply selecting the material type and thickness, the machine automatically adjusts voltage and wire feed speed, streamlining the setup process and significantly reducing the likelihood of user error.

In contrast, the CP-302 model emphasizes versatility and connectivity, offering multiple welding processes in one machine. It is equipped with a robust wire feeder that can handle various wire diameters, making it suitable for both thin sheet metal and thicker materials. The CP-302 also features Miller’s advanced inverter technology, ensuring high energy efficiency and reducing power consumption. This makes it an environmentally friendly option without compromising on performance.

Both models come equipped with a user-friendly interface, allowing operators to monitor and adjust settings with ease. The clear LCD display provides critical information at a glance, improving workflow and efficiency in high-demand environments. Additionally, these machines are designed with durability in mind, featuring rugged construction that withstands the rigors of daily use in challenging industrial conditions.

Safety is a priority with the Miller Electric CP-252TS and CP-302. They include advanced protection features that prevent overheating and electrical overloading, ensuring both equipment longevity and operator safety. Furthermore, Miller's commitment to compliance with industry standards means these machines offer peace of mind in terms of regulatory adherence.

In summary, the Miller Electric CP-252TS and CP-302 are exceptional choices for professionals looking for reliable, efficient, and versatile welding solutions. Their combination of advanced technology, user-friendly design, and robust safety features make them indispensable tools in any welding operation. Whether for fabrication, maintenance, or production, these power sources deliver the performance and efficiency required to keep pace with modern industrial demands.