Specifications

Weldarc 125i, 145i, 165i Operators Manual
6 Model No. MC91-0, MC92-0, MC93-0 Iss A 05/07
Quality, Reliability, Performance
3 Specifications
Power Source
Manufactured to Australian Standard AS1966.1.
Rated to ISO 60974-1.
IMPORTANT NOTICE: Warranty may be
voided if equipment is powered from an
unsuitable engine driven generator.
Generators used to power this equipment
must have a minimum capacity of 6 kW
continuous and incorporate output voltage
regulation. Generators without voltage
regulation must have a minimum capacity of
16 kW.
Note: The Weldarc 165i is fitted with a 15 Amp
plug for commissioning purposes, and should
only be operated to 145i rating. If the
equipment is to be used at maximum output
current and duty cycle, an appropriate 20 Amp
plug should be fitted by a qualified electrician.
125i 145i 165i
Primary Voltage
240 Vac +/- 10%,
50/60 Hz
240 Vac +/- 10%,
50/60 Hz
240 Vac +/- 10%,
50/60 Hz
Effective Primary Current
10 Amps 16.5 Amps 20.5 Amps
Maximum Primary Current
24.5 Amps 28 Amps 32.5 Amps
Maximum Rated Output @ 40
o
C
Duty cycle based on 10min cycle time
125 Amp, 25.0 V,
20% duty
145 Amp, 25.8 V,
35% duty
165 Amp, 26.5 V,
40% duty
Continuous Rated Output @ 40
o
C
55 Amp 85 Amp 110 Amp
Welding Current
5-125 Amps 5-145 Amps 5-165 Amps
Open Circuit Voltage –
VRD SAFE condition
10 V 10 V 10 V
Pulse TIG Frequency
1.5 Hz 1.5 Hz Vary 0.5-100 Hz
Pulse TIG Width
50% 50% Vary 10-90%
Mass
7.1 kg 7.1 kg 7.1 kg
Supply Plug
10 Amp 15 Amp 15 Amp - for
commissioning only
Fitted Supply Cable
1.5mm
2
Three Core,
Heavy Duty PVC
1.5mm
2
Three Core,
Heavy Duty PVC
2.5mm
2
Three Core,
Heavy Duty PVC
Power Supply Outlet (240 V) &
Extension Lead Rating
10 Amp 15 Amp 20 Amp
Power Supply Circuit Breaker
Rating
20 Amps 25 Amps 25 Amps
Cooling
Fan cooled, air drawn in through front grille.