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2
FLEXTEC™ 450
POWER SOURCE – INPUT VOLTAGE AND CURRENT
Model
Duty Cycle
Input Voltage ±10%
Input
Amperes
Idle Power
Power
Factor@ Rated
Input
K3065-1
60% rating
380/400/415/3/50/60
Hz
37/35/34
72 W Max. (fan on)
95%
100% rating
29/28/27
RATED OUTPUT
Process
Duty Cycle
Volts at rated Amperes
Amperes
GMAW (CV)
60% 36.5V
450
100% 34V
400
GTAW (CC)
60% 28V
450
100% 26V
400
MMAW (CC)
60% 38V
450
100% 36V
400
FCAW-GS (CV)
60% 36.5V
450
100% 34V
400
FCAW-SS (CV)
60% 36.5V
450
100% 34V
400
RECOMMENDED INPUT WIRE AND FUSES SIZES
(1)
VOLTAGE
50/60Hz
Maximum Input Amperes
4 CONDUCTOR
SOOW or similar Cord in 40°C (104°F) Ambient
Fuse (Super
Lag)or Breaker
Sizes
(2)
380/3/50
400/3/60
415/3/60
42A
40A
39A
8 AWG or 10 mm
2
50
(1)
Cord and Fuse Sizes based upon the U.S. National Electric Code and maximum output for 40°C (104°) ambient.
(2)
Also called “inverse time” or “thermal/magnetic” circuit breakers; circuit breakers that have a delay in tripping action that decreases as
the magnitude of current increases.
WELDING PROCESS
Process
Output Range (A)
OCV (U
0
) OCV
(U
r
)
GMAW (CV)
40-500
60
--
GTAW (CC)
10-500
24
15
MMAW (CC)
15-500
35
15
FCAW-GS (CV)
40-500
60
--
FCAW-SS (CV)
40-500
60
--
PHYSICAL DIMENSIONS
Model Height Width
Depth
Weight
K3065-1 478
mm 359mm 677mm 59kg*
TEMPERATURE RANGES
Operating Temperature Range
Storage Temperature Range
Environmentally Hardened: 14°F to 131°F (-10°C to 55°C**)
Environmentally Hardened: -40°F to 185°F (-40°C to 85°C)
IP23 155º(F) Insulation Class
*
Weight does not include input cord.
**Power Source is derated at Temperatures above 40°C.