Section 4 − Installation; Specifications - Miller Dynasty 300 SD Owner's Manual

4-1.

Specifications

A. For Multivoltage Units
Input Power Rated Welding Output
250 A @ 30 Volts AC, 40%
Duty Cycle
Three Phase Th Ph
200 A @ 28 Volts DC, 40%
Duty Cycle
250 A @ 30 Volts AC, 40%
Duty Cycle
Single Phase Single Phase
200 A @ 28 Volts DC, 40%
Duty Cycle
*While idling
♦
Low open-circuit voltage while in TIG Lift Arct, or while in Stick with low open-circuit voltage selected (see Section 6-6).
∇Normal open-circuit voltage (95 volts) is present while in Stick with normal open-circuit voltage selected (see Section 6-6).
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
Rated Welding Output
250 A @ 30 Volts AC,
40% Duty Cycle
200 A @ 28 Volts DC,
40% Duty Cycle
*While idling
♦
Low open-circuit voltage while in TIG Lift Arct, or while in Stick with low open-circuit voltage selected (see Section 6-6).
∇Normal open-circuit voltage (95 volts) is present while in Stick with normal open-circuit voltage selected (see Section 6-6).
SECTION 4 − INSTALLATION
Amperage Amperage
Range
5 300 5−300
5−300 5−300
R.
Auto-Link is an internal inverter power source circuit that automatically links the power source to
Maximum
Open-Circuit
Voltage DC
Amperage Range
5 − 300 95∇
6−10
5 − 300 95∇
6−10
Maximum
Amperes Input at Rated Load Output 60 Hz
Open-Circuit Open-Circuit
230 V
Voltage DC
32
*.27
95∇
♦
21.0
6−10
*.27
61.0
*.33
95∇
♦
6−10 46.0
*.33
Amperes Input At Rated
Output, 50Hz - Three-Phase
400 V
20.0 (0.13*)
♦
15.0 (0.13*)
♦
460 V KVA
16 12.8
*.15 *.09
11.0 8.4
*.15 *.09
30.0 14.0
*.18 *.10
23.0 10.5
*.18 *.1
KVA KW
14.0 (0.09*) 10.5 (0.04*)
10.5 (0.09*) 7.5 (0.04*)
OM-358 Page 11
KW
10.0
*.04
7.6
*.04
10.0
*.07
7.5
*.07