SPECIFICATIONS
4
2-2
powermax1250
Service Manual
Power supply
Rated open circuit voltage (U
0
)
300 VDC
Output characteristic*
Drooping
*Defined as a plot of output voltage
versus output current
Rated 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
on
= 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
Toppling, 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)
Summary of Contents for powermax1250
Page 9: ...TABLE OF CONTENTS vi powermax1250 Service Manual ...
Page 47: ...4 MAINTENANCE 3 14 powermax1250 Service Manual Troubleshooting Guide ...
Page 48: ...4 MAINTENANCE powermax1250 Service Manual 3 15 ...
Page 49: ...4 MAINTENANCE 3 16 powermax1250 Service Manual ...
Page 50: ...4 MAINTENANCE powermax1250 Service Manual 3 17 ...
Page 51: ...4 MAINTENANCE 3 18 powermax1250 Service Manual ...
Page 52: ...4 MAINTENANCE powermax1250 Service Manual 3 19 ...
Page 54: ...MAINTENANCE powermax1250 Service Manual 3 21 4 ...
Page 77: ...MAINTENANCE 3 44 powermax1250 Service Manual ...
Page 85: ...PARTS POWER SUPPLY 4 8 powermax1250 Service Manual ...
Page 97: ...WIRING DIAGRAMS 3 6 4 powermax1250 Service Manual ...