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FLEXTEC™ 500
DESIGN
TECHNICAL SPECIFICATIONS
POWER SOURCES - INPUT VOLTAGE AND CURRENT
MODEL
DUTY CYCLE
K4091-1
60% RATING
100% RATING
POWER SOURCES - RECOMMENDED INPUT WIRE AND FUSE SIZES 1
VOLTAGE
INPUT AMPERES
(100% RATING)
380/3/50
33 A
460/3/60
27 A
575/3/60
27 A
PROCESS
DUTY CYCLE
GMAW (CV)
GTAW (CC)
SMAW (CC)
FCAW-GS (CV)
FCAW-SS (CV)
MODEL
K4091-1
18.8 IN (477 MM)
TEMPERATURE RANGES
OPERATING TEMPERATURE
STORAGE TEMPERATURE
INSULATION CLASS
*Output is derated for temperatures in excess of 40° C (104° F).
INPUT VOLTAGE ± 10%
380 / 460 / 575 / 3 / 50 / 60
TIME DELAY FUSE
TYPE 75C COPPER
OR BREAKER SIZE
WIRE IN CONDUIT
AWG (IEC) SIZES
60
50
50
RATED OUTPUT
VOLTS AT RATED
AMPERES
60%
39 V
100%
36.5 V
60%
30 V
100%
28 V
60%
40 V
100%
38 V
60%
39 V
100%
36.5 V
60%
39 V
100%
36.5 V
PHYSICAL DIMENSIONS
HEIGHT
WIDTH
14 IN (356 MM)
14° F TO 131° F (-10° C TO 55° C)*
-40° F TO 185° F (-40° C TO 85° C)
CLASS H (18O° C)
INPUT AMPERES IDLE POWER (W) POWER FACTOR
39 / 32 / 32
150W FAN ON
70W FAN OFF
33 / 27 / 27
TYPE 75C COPPER
GROUND WIRE IN
CONDUIT AWG (IEC)
40C (104°F)
SIZES
AMBIENT
8 (10)
10 (6)
10 (6)
10 (6)
10 (6)
10 (6)
AMPERES
500A
450A
500A
450A
500A
450A
500A
450A
500A
450A
DEPTH
26.5 IN (673 MM)
A-1
91%
CORD SIZE
AWG SIZES
8
8
8
EFFICIENCY
(AT RATED OUTPUT)
89%
WEIGHT
120 LBS. (54.43 KG)
DESIGN
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