Miller Electric Spectrum 1250, Owner'S Manual

Page: 16 / 48

OM-217 Page 12
2-3. Symbols And Definitions
Some symbols are found only on CE products.
NOTE
A
Amperes
Plasma Arc Cutting
(PAC)
Trigger Hold On Trigger Hold Off
V
Volts Pilot/Pulse Starting
Continuous Pilot
Arc
Pulse
Output Increase
No – Do Not Do
This
Temperature
Protective Earth
(Ground)
Three Phase High Frequency Input
On Off Percent Direct Current
U
0
Rated No Load
Voltage (Average)
U
1
Primary Voltage
U
2
Conventional Load
Voltage
Line Connection
I
1
Primary Current
I
2
Rated Welding
Current
X
Duty Cycle
Three Phase
Transformer
Rectifier
IP Degree Of
Protection
Loose Shield Cup
Torch-Tip-To
Electrode Short
Hz
Hertz
Air/Gas Pressure
Adjustment
Work
Low Air Pressure
Light
Nitrogen Gas Input
Connection
Adjust Air/Gas
Pressure
SECTION 3 – INSTALLATION
3-1. Specifications
Model/
Amperes Input at Rated Output,
50 or 60 Hz, Three-Phase
Plasma
Gas
Rated
Output
200 V 220 V 230 V 380 V 415 V 460 V 575 V
KVA KW
Plasma
Gas
Flow/
Pressure
Max
OCV
IP
Rating
1000 / 70
Amperes At
108 Volts DC
At 100%
Duty Cycle
– –
57
(4.0*)
54
(2.6*)
33
(2.5*)
30
(1.5*)
27
(1.3*)
22
(1.0*)
21
(1.04*)
10
(0.6*)
Air Or
7 CFM
(198 L/min)
270
1250 / 100
Amperes At
120 Volts DC
At 80% Duty
Cycle
85
(3.4*)
77
(4.0*)
74
(2.9*)
45
(2.5*)
41
(1.5*)
37
(1.5*)
30
(1.0*)
30
(1.2*)
16
(0.5*)
Nitrogen
Only
(198 L/min)
At 70 PSI
(482 kPa)
Volts
DC
21S
*While idling