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NOTE

2-1. Specifications

Voltage

AC or DC

Range in

Rated Output

CV Mode

1000 A at 44 V,

100% Duty Cycle;

25–44 V

1250 A at 44 V,

60% Duty Cycle

*While idling

2-2. Duty Cycle and Overheating

Overheating

SECTION 2 – INSTALLATION

With 60 Hz input power, the ac weld output of this unit is 10 Hz. With 50 Hz input,

the ac weld output is 8.33 Hz.

Amperage

Max. Open-

Range in

Circuit

CC Mode

Voltage

250–1250 A

71 V

100% Duty Cycle At 1000 Amperes

Continuous Welding

Minutes

RMS Amps Input at Rated Load Output,

3-Phase at NEMA Load

Voltages and Class I Rating

380/400/415 V

460 V

(50/60 Hz)

(60 Hz)

143

124

(3*)

Reduce Duty Cycle

575 V

(60 Hz)

KVA

100

(3*)

(2.37*)

(0.95*)

Duty Cycle is percentage of 10 min-

utes that unit can weld at rated load

without overheating.

If unit overheats, high temperature

shutdown light turns On, thermo-

stat(s) opens, output stops, and

cooling fan runs. Wait fifteen min-

utes for unit to cool. Reduce amper-

age or duty cycle before welding.

Y Exceeding duty cycle can

damage unit and void war-

ranty.

A/V

duty1 4/95 – SA-181 560

OM-2221 Page 9