SPECIFICATIONS
4
2-2 powermax1250 Service Manual
Power supply
R
ated open circuit voltage (U
0
)
300 VDC
Output characteristic* Drooping
*Defined as a plot of output voltage
versus output current
R
ated output current (I
2
)
25A – 80A
Hypertherm standard rated output 150 VDC
voltage (U
2
)
Duty cycle (X*) at 104°F (40°C) at U
1
– Volts AC rms X
rated conditions (U
1
, I
1
, U
2
, I
2
) 200-208 VAC 1PH 40%
230-240 VAC 1PH 50%
*X = T
on
/T
base
, 480 VAC 1PH 60%
T
o
n
= time, minutes 200-208 VAC 3PH 50%
T
base
= 10 minutes 230-240 VAC 3PH 60%
380/400/415 VAC 3PH 60%
480 VAC 3PH 60%
600 VAC 3PH 60%
Operating temperature 14° to 104° F (-10° to 40° C)
Rated
AC phases (PH) and line frequency (Hz) PH Hz
Standard model 1-3 50-60
CE model 3 50-60
Rated input voltage (U
1
), rated input U
1
– Volts AC rms I
1
-Amps rms I
1
eff
current (I
1
) and I
1
eff* at rated output 200-208 VAC 1PH 70 44
U
2
and I
2
– cutting only. 230-240 VAC 1PH 60 42
480 VAC 1PH 30 23
200-208 VAC 3PH 40 28
*I
1
eff = (I
1
) X used to determine 230-240 VAC 3PH 36 28
rating of power cord. 380/400/415 VAC 3PH 21 16
480 VAC 3PH 17 13
600 VAC 3PH 16.5 13
Power factor U
1
– Volts AC rms Harmonic power factor Displacement
power factor
200-208 VAC 1PH 0.99 0.99
230-240 VAC 1PH 0.99 0.99
480 VAC 1PH 0.91 0.99
200-208 VAC 3PH 0.94 0.99
230-240 VAC 3PH 0.94 0.99
380/400/415 VAC 3PH 0.94 0.99
480 VAC 3PH 0.94 0.99
600 VAC 3PH 0.80 0.99
R
sce
– short circuit ratio—CE model only U
1
– Volts AC rms, 3PH R
sce
400 VAC 228
230 VAC 163
This equipment conforms to IEC 61000-3-12, provided that
R
sce min
= 228 at 400VAC 3PH and 163 at 230 VAC 3PH.
IP
code—degree of protection provided by
IP23CS*
enclosure IP – “International Protection”
2 – No ingress foreign objects
>
=12.5 mm (0.5 in)
3 – No harmful ingress spraying water
C – AC line circuits protected against ingress of tool
>
=2.5 mm
dia. x 100 mm long (0.1 inch x 4.0 inch)
S – fan stationary during water test
*
WARNING: DO NOT OPERATE IN THE RAIN
T
oppling, tilting (with or without wheel kit) Up to a 15° incline
Gas type Air Nitrogen
Gas quality Clean, moisture-free, oil-free
Gas inlet pressure and flow 90 psig (6.1 bar) 400 scfh/6.7 scfm (189 l/min)