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OM-314 Page 9
SECTION 2 – INSTALLATION
2-1. Specifications
Model
Amperes Input At Rated Load Output,
50 Hz, Single-Phase
Amperes Input At Rated Load
Output, 60 Hz, Single-Phase
Model
220 V 260 V 380 V 440 V 520 V KVA KW 200 V 230 V 460 V 575 V KVA KW
AC 68 57.5 39.3 34 28.7 14.9 11 78 68 34 27 15.6 11.8
250P
DC 52 44 30 26 22 11.4 8 57 50 25 20 11.5 8.2
While Idling (21.3) (16.0) (12.2) (10.5) (8.2) (4.5) (0.5) (25) (21.8) (11) (8.9) (5.0) (0.45)
AC 84 -- 48.6 42 -- 18.5 11 103 90 45 36 20.7 11.8
250
DC 68 -- 39.3 34 -- 14.9 11 80 70 35 28 16.1 8.2
While Idling (10.0) -- (5.3) (4.8) -- (2.1) (0.6) (4.1) (3.6) (1.7) (2.2) (0.8) (0.6)
Rated Welding Output: AC Mode
250 A @ 30 Volts AC, 30% Duty Cycle
Rated Welding Output: DC Mode
200 A @ 28 Volts DC, 50% Duty Cycle
Max Open-Circuit Voltage AC
70
Max Open-Circuit Voltage DC
79
2-2. Duty Cycle And Overheating
5 Minutes Welding 5 Minutes Resting
3 Minutes Welding 7 Minutes Resting
rduty1 5/95 – SB-002 120-B
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
Y Exceeding duty cycle can
damage unit and void
warranty.
30% Duty Cycle At 250 Amperes AC
50% Duty Cycle At 200 Amperes DC
Overheating
0
15
A
OR
Reduce Duty Cycle
Minutes