Section 3 − Definitions; Symbols And Definitions; Section 4 − Installation; Specifications - Miller Millermatic 251 Owner's Manual

3-1. Symbols And Definitions

Wire Feed
V
Volts
Gas Metal Arc
Welding (GMAW)
Gun
Voltage Input

4-1. Specifications

Rated Output Rated Output
250 A at 28 VDC, 200 A at 28 VDC,
40% Duty Cycle 60% Duty Cycle
Wire Type and Diameter
Solid Steel Stainless Steel
.023 − .045 in .023 − .045 in
(0.6 − 1.2 mm) (0.6 − 1.2 mm)
* While idling
Operating Temperature Range − −20C to +40C
SECTION 3 − DEFINITIONS
Output
Increase
Wire Feed Spool
Gun
Press To Reset
SECTION 4 − INSTALLATION
Max. Open- Amps Input at Rated Output (60% Duty Cycle), 50 or 60 Hz, Single-Phase
Circuit Circuit
200 (208) V
Voltage
38
Flux Cored
.030 − .045 in
(0.8 − 1.2 mm)
X
Duty Cycle
On
Gas Input
U
Rated No-Load
0
Voltage (Average)
230 V 400 V
48 42 24
2.3* 2* 1.2*
Wire Feed Speed Dimensions
25−700 IPM H: 32 in (813 mm)
( 65 17 8 m/min) (.65−17.8 m/min) W: 19 in (483 mm) W: 19 in (483 mm)
D: 39 in (991 mm)
Storage Temperature Range − -30C to + 50C
Do Not Switch
While Welding
Off
Gas Output
460 V 575 V KVA
21 17 9.8
1* 0.8* 0.46* 0.13*
Net Weight
215 lb
(98 kg) (98 kg)
OM-1326 Page 9
KW
7.5