Miller Electric SHOPMATE 300 DX Owner's Manual download pdf (Page 15)

OM-225 757 Page 11

SECTION 3 − INSTALLATION

3-1. Specifications

Rated Welding

Output

Amperage/Voltage

Range

Max OCV−DC

Amperes Input at Rated Load Output 60 Hz,

Single-Phase

200 V 230 V 460 V 575 V KVA KW

275 A @ 31 Volts

DC, 50% Duty

Cycle

5 − 400A In CC

Mode

85 VDC In

CC Mode

66

*1.66

57

*1.66

29

*0.83

23

*0.66

13

*0.66

11.2

*0.2610 − 35V In CV

Mode

85 VDC In

CV Mode

*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.

If unit overheats, thermostat(s)

opens, output stops, and cooling

fan runs. Wait fifteen minutes for

unit to cool. Reduce amperage or

duty cycle before welding.

NOTICE − Exceeding duty cycle

can damage unit and void warranty.

Overheating

0

15

A/V

OR

Reduce Duty Cycle

Minutes

duty1 4/95 / 225 765-A

5 Minutes Welding 5 Minutes Resting

50%dutycycle

1 ... 14 15 16 ... 32

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