MAC TOOLS MW250 Owner's Manual - page 5
OM-154 501 Page 1
SECTION 1 − SAFETY INFORMATION
mod1.1 2/93
Read all safety messages throughout this manual.
Obey all safety messages to avoid injury.
Learn the meaning of WARNING and CAUTION.
1
Safety Alert Symbol
2
Signal Word
WARNING means possible death
or serious injury can happen.
CAUTION means possible minor
injury or equipment damage can
happen.
3
Statement Of Hazard And Re-
sult
4
Safety Instructions To Avoid
Hazard
5
Hazard Symbol (If Available)
6
Safety Banner
Read safety blocks for each sym-
bol shown.
7
NOTE
Special instructions for best oper-
ation − not related to safety.
2
NOTE
ELECTRIC SHOCK can kill.
•
Do not touch live electrical parts.
•
Disconnect input power before
installing or servicing.
WARNING
READ SAFETY BLOCKS at start of
Section 3-1 before proceeding.
WARNING
5
4
6
7
1
2
CAUTION
MOVING PARTS can injure.
•
Keep away from moving parts.
•
Keep all panels and covers closed
when operating.
3
Turn Off switch when using high frequency.
Figure 1-1. Safety Information
SECTION 2 − SPECIFICATIONS
Table 2-1. Welding Power Source
Specifications
Description
Type Of Output
Direct Current/Constant Voltage (DC/CV)
Rated Weld Output
200 Amperes, 28 Volts DC, 60% Duty Cycle (See Section 2-2)
Type Of Input Power
Single-Phase; 60 Hz; At 200 Or 230 Volts AC
Input Amperes At Rated Output
46 A At 200 V, 40 A At 230 V
Maximum Input Amperes While Idling
1.2 A At 200 V, 1 A At 230 V
KVA/KW Used At Rated Output
9.5 kVA/8.3 kW
Maximum KVA/KW Used While Idling
0.24 kVA/0.17 kW
Max. Open-Circuit Voltage
42 Volts DC
Control Circuit Voltage At Gun
24 Volts DC
Welding Processes
Gas Metal Arc (GMAW) And Flux Cored Arc Welding (FCAW)
Calculated Speed Range At No Load
128 To 1051 ipm (3.2 To 266.9 mpm)
Wire Diameter Range
.030 To .045 in (0.8 To 1.1 mm) Flux Cored Wire, .023 To .045 in (0.6 To 1.1 mm) Hard Wire
Overall Dimensions
Length: 37 in (940 mm); Width: 19 in (483 mm); Height: 30-1/4 in (768 mm)
Weight
Net: 225 lb (102 kg); Ship: 271 lb (123 kg)
Welding Gun
Rated Output (Air Cooled)
200 Amperes At 60% Duty Cycle Using CO
2
Shielding Gas (See Section 2-2)
Cable Length
15 ft (4.5 m)