Section 4 − Specifications; Serial Number And Rating Label Location; Specifications - Miller Maxstar 400 Owner's Manual

4-1. Serial Number And Rating Label Location

The serial number and rating information for the power source is located on the front of the machine. Use the rating labels to determine input power
requirements and/or rated output. For future reference, write serial number in space provided on back cover of this manual.

4-2. Specifications

.
Do not use information in unit specifications tables to determine electrical service requirements. See Sections 5-14 and 5-15 for information on
connecting input power.
.
This equipment will deliver rated output at an ambient air temperature up to 1045 F ( 405 C).
A. Dynasty 400 Models
.
Do not use information in unit specifications table to determine electrical service requirements. See Section 5-14 A for information on connecting
input power.
Welding Amperage
Range
3-400*
*Welding range for Stick process is 5-400 amperes. For TIG, the amperage range is tungsten diameter dependent (see Section 6-3).
** Arc starting device is designed for manual guided operations.
*** Low open-circuit voltage while in TIG Lift Arct, or while in Stick with low open-circuit voltage selected.
♦ Normal open-circuit voltage (75) is present while in Stick with normal open_circuit voltage selected.
Rated Welding
Input
Power
Output
250 A @ 30 Volts,
100% Duty Cycle
300 A @ 32 Volts,
Three
60% Duty Cycle
Phase
400 A @ 36 Volts,
20% Duty Cycle
200 A @ 28 Volts,
100% Duty Cycle
250 A @ 30 Volts,
Single
Phase
60% Duty Cycle
300 A @ 32 Volts,
20% Duty Cycle
.
This unit is equipped with Auto-Line
primary input voltage from 190 to 625 volts, single-or-three-phase, 50 or 60 hertz. It also adjusts for voltage spikes within the entire range.
Notes
OM-275857 Page 12
.
A complete Parts List is available at www.MillerWelds.com
SECTION 4 − SPECIFICATIONS
Max Open Circuit Low Open-Circuit
Voltage (Uo) Voltage (Uo)
♦
75
208 V 230 V
28 25
36 33
49
55
40 36
52 47
67 60
.
Auto-Line is an internal inverter power source circuit that automatically links the power source to any
Rated Peak Striking
Voltage (Up)
10-15*** 14KV**
Amperes Input at Rated Load Output 50/60 Hz
380 V 400 V 460 V
15 14
19 19
29 28
− 20
− 26
− 33
IP Rating
23
575 V KVA
13 10 10.3
16 13 13.1
24 19 19.4
17 13 8.2
22 17 10.9
28 22 13.9
KW
9.8
12.5
18.6
7.5
9.9
12.7