.A complete Parts List is available at www.MillerWelds.com

SECTION 4 INSTALLATION

4-1. Specifications

Power Supply

Input

Rated AC phase (PH) and line frequency (Hz)

1 PH

 

60 Hz

 

— —

 

 

 

 

 

 

Rated Input Voltage (U1) and rated Input

Volts AC RMS

(U1)

Amps RMS

(I1)

I1 eff

Current (I1) and I1 eff at rated output. I1 eff used

208 Volts

 

33

 

23.3

to determine power cord rating

 

 

 

 

 

 

230 Volts

 

30

 

21.2

 

 

 

 

 

 

 

 

 

Volts AC RMS

(U1)

Power Factor

KVA/KW

Power Factor/KVA/KW at Rated Output

208 Volts

 

0.98

 

6.8/6.6

 

 

 

 

 

 

 

230 Volts

 

0.98

 

6.8/6.6

 

 

 

 

 

 

Peak KW at Arc Stretch

10.1 KW

 

— —

 

— —

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Output

 

 

 

 

 

 

 

 

 

 

 

Rated Open Circuit Voltage (U0) Type

400 Volts DC/Electrode Negative

— —

 

— —

 

 

 

 

 

Output Characteristic

Constant Current

— —

 

— —

 

 

 

 

 

 

Output Current Range

20-40 A

 

— —

 

— —

 

 

 

 

 

 

 

Amps DC

(I2)

Volts DC

(U2)

Volts AC

Output Current and Voltage Rating at Rated

RMS

(U1)

 

 

 

 

Input Voltage (I2 and U2 at U1)

40 A

 

140 Volts DC

208 Volts

 

40 A

 

140 Volts DC

230 Volts

 

 

 

 

 

 

 

Duty Cycle %

Amps DC

(I2)

Volts AC

Duty Cycle at 1045 F (405 C) at rated conditions

RMS

(U1)

 

 

 

 

(U1, I1, U2, I2) based on a 10 minute period

50

 

40 A

 

208 Volts

 

50

 

40 A

 

230 Volts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

General

 

 

 

 

 

 

 

 

 

 

 

Operating Temperature

5° to 104° F ( 15° to 40° C)

— —

 

— —

 

 

 

 

 

 

 

IP23CS

 

— —

 

— —

 

 

 

 

 

 

IP International Protection

— —

 

— —

 

 

 

 

 

 

 

2 No ingress of foreign objects ￿ 12.5 mm

— —

 

— —

IP Code Degree of protection provided by

(0.5 in.)

 

 

 

 

 

 

 

enclosure

 

 

 

 

 

 

3 No harmful ingress spraying water

— —

 

— —

 

 

 

 

 

 

 

 

 

C AC line circuits protected against ingress of

— —

 

— —

 

tool 2.5 mm dia x 100 mm long (0.1 in. x 4 in.)

 

 

 

 

 

 

 

 

 

 

 

 

S Fan stationary during water test

— —

 

— —

 

 

 

 

 

Toppling or tilting

Up to 15° incline

— —

 

— —

 

 

 

 

 

Gas Type

Air or Nitrogen

— —

 

— —

 

 

 

 

 

Gas Quality

Clean, moisture-free, oil-free

— —

 

— —

 

 

 

 

 

Gas Inlet Flow and Pressure

4.8 SCFM (85 L/min)

90 PSI (621 kPa)

120 PSI (827

Min

 

kPa) Max

 

 

 

 

 

 

 

 

 

Gas Filtering

Particulates to 5 microns

— —

 

— —

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Torch

 

 

 

 

 

 

 

 

 

 

 

 

 

Mild Steel capacities (see Section 5-2 for

— —

 

— —

 

— —

cutting speeds vs material type and thickness)

 

 

 

 

 

 

 

 

 

 

 

 

 

Rated Capacity (edge start)

5/8 in. at 9 ipm (229 mm/min)*

— —

 

— —

 

 

 

 

 

Sever Cut Capacity (edge start)

7/8 in. (22 mm)

— —

 

— —

 

 

 

 

 

Pierce Capacity

5/16 in. (8 mm)

— —

 

— —

 

 

 

 

 

 

 

*Travel speeds are approximately 80% of maximum.

 

 

 

 

 

 

OM-244 013 Page 11

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Hobart Welding Products 700I, HP-70 manual Installation, Specifications