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Rubber & Crane Cables 
 

Rubber & Crane Cables  :0361 TQ

EPR/CSP 0361 TQ H0FR Welding Cable Single Core EPR Insulated CSP sheathed to BS 638 Part4 85 Deg 100V

CONSTRUCTION :                  

Conductor: Extra Flexible Class6 Tinned/Plain Copper to BS6360. Flexible Class 5 for 120 mm sq and above

Separator: Crepe Paper /PETP Tape

Insulation: Ethylene Propylene Rubber (E.P.R.) to BS 7655

Sheath: Chlorosulphonated Polythylene (C.S.P.) H.O.F.R. ( Heat and Fire Retardant ) to BS 7655

Sheath Color: Orange ( Tinned conductors ) Black ( Plain conductors )

Flexible aluminium conductors available upon request.

APPLICATION :
This range of Cables are designed as highly flexible voltage leads, primarily for the secondary (high current) connection to automatic or hand held metal arc welding electrodes.
May also be used for non welding applications such as earthing return leads, flexible tails on power supply. Busbar connections.

TECHNICAL DATA
:
Voltage: 100V (If used in an environment where they are not liable to sustain mechanical damage these Cables may be used at 450/700V in the control panels, switchgears etc.
Temperature Rating: -20 to +85°C
Bending Radius:
6 x Overall Diameter

RATING FACTORS :

The current ratings given are based on an ambient temperature of 25 Deg.

Rating factors for higher temperatures are: Ambient Temp: 30 Deg 35 Deg 40 Deg 45 Deg

Rating Factor: 0.96 0.91 0.87 0.82

Where total cable lengths in excess of 15m are involved, it may be necessary to use cable of larger cross section to ensure that the voltage drop is not excessive and welding currents are maintained at adequate levels.

DUTY CYCLE :

The duty cycle is defined as the time for which the current flows expressed as a percentage of the complete cycle, which is taken as 5 minutes. Since the length of time for which current flows during a welding operation varies, occasional to continuous, the duty cycle can vary from as little as 20% to a maximum of 100% on automatic operation.

Automatic Welding up to 100%.
Semi Automatic Welding 30-85%.
Manual Welding 30-60%.
Intermittent or Occasional Welding up to 20%.

Size
MM

Stranding
Class

Stranding
MM

Thickness of Sheath mm

Nominal
O/Dia MM

Weight
Kg / Km

Max
Duty Cycle
100%

Max
Duty
Cycle
60%

Max
Duty
Cycle
30%

16

6

513 / 0.20

2.0

10.9

212

135

175

245

25

6

783 / 0.20

2.0

12.5

300

180

230

330

35

6

1107 / 0.20

2.0

14

403

225

290

410

50

6

1566 / 0.20

2.2

16

560

285

370

520

70

6

2214 / 0.20

2.4

18.6

776

355

460

650

95

6

2997 / 0.20

2.6

21.2

1035

430

560

790

120

5

608 / 0.50

2.8

23.1

1300

500

650

910

185

5

925/0.50

3.2

29.0

2050

660

850

1200

Electrical Characteristics

Electrical Characteristics

Loading Current Values (amperes)

Nominal Cross Sectional Area mm2

Loading Current in Amps for the Following Duty Cycles

mm2

100%

85%

60%

30%

16

135

145

175

245

25

180

195

230

330

35

225

245

290

410

50

285

310

370

520

70

355

385

460

650

95

430

470

560

790

120

500

540

650

910

185

660

715

850

1200

Correction Factors

Cable operating temperature also varies according to the prevailing ambient temperature. These cables are designed to give optimum performance up to an operating temperature of 85°C at an ambient temperature of 25°C.

The reduction factors for increased ambient temperature are:

Ambient Temperature

30°C

35°C

40°C

45°C

50°C

55°C

Correction Factor

0.96

0.91

0.87

0.82

0.76

0.79

Conductor Resistance (ohms per kilometre) and Voltage Drop

Nominal Cross Sectional Area

Maximum Resistance at 20°C Tinned

Voltage Drop (For Guidance Only)

Volts Per 100 Amp Per 10 Metres
DC Current *

20°C

60°C

85°C

mm2

ohms/Km

V

V

V

16

1.240

1.240

1.430

1.560

25

0.795

0.795

0.920

0.998

35

0.565

0.565

0.654

0.709

50

0.393

0.393

0.455

0.493

70

0.277

0.277

0.321

0.348

95

0.210

0.210

0.246

0.264

120

0.164

0.164

0.190

0.206

185

0.108

0.108

0.125

0.136

*Note:

The values for AC Current may be much higher, depending on the configuration of the cables.

 

 
   
   
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