Miller Maxstar 300 DX Owner's Manual page 19

3-1. Specifications
A. For Multivoltage Units
Input Rated Output at
Power 60% Duty Cycle
Three- 250 A @ 30 VDC,
Phase 60% Duty Cycle
Single- 200 A @ 28 VDC,
Phase 60% Duty Cycle
*While idling
♦
Sense voltage for Stick and Lift-Arc present
Note: This unit is equipped with Auto-Link
the primary voltage being applied (230 to 460 V), without the need for manually linking primary voltage terminals.
B. For Single Voltage Units
Welding
Rated Output at
Amperage
60% Duty Cycle
Range
250 A @ 30 VDC,
5 - 300
60% Duty Cycle
*While idling
♦
Sense voltage for Stick and Lift-Arc present
3-2. Volt-Ampere Curves
SECTION 3 – INSTALLATION
Welding Max.
Amperage Amperage Open-Circuit Open-Circuit
Range Voltage
95
5 - 300
♦
6 -10
95
5 - 300
♦
6 - 10
R.
Auto-Link is an internal inverter power source circuit that automatically links the power source to
Max.
Open-Circuit At Rated Output,
Voltage 50Hz - Three-Phase 400 V
95
♦
6 - 10
Amperes Input At
Rated Output, 60Hz
KVA KVA
230 460
25.4 16.2 12.8
0.23* 0.14* 0.11*
40.2 9.3
-–
0.32* 0.11*
Amperes Input
KVA
16.9 11.7
0.15* 0.10*
KW KW Dimensions Dimensions
8.8
0.06*
H: 17 in (432 mm)
W: 12-1/2 in (318 mm)
6.8
D: 24 in (610 mm)
0.06*
KW Dimensions
H: 17 in (432 mm)
8.6
W: 12-1/2 in (318 mm)
0.03*
D: 24 in (610 mm)
Volt-ampere curves show minimum
and maximum voltage and amper-
age output capabilities of welding
power source. Curves of other set-
tings fall between curves shown.
ST-190 014
OM-2222 Page 13
Net
Weight
82 lb
(37 kg)
100 lb 100 lb
(45 kg)
w/aux.
power
Net
Weight
82 lb
(37 kg)
100 lb
(45 kg)
w/aux.
power