Miller Electric Spectrum 1250R manual Installation, Symbols And Definitions, Specifications

2-3. Symbols And Definitions

NOTE

Some symbols are found only on CE products.

A		Amperes			Plasma Arc Cutting			Trigger Hold On		Trigger Hold Off
					(PAC)
V		Volts			Pilot/Pulse Starting			Continuous Pilot		Pulse
								Arc
		Output			Increase			No – Do Not Do		Temperature
								This
		Protective Earth			Three Phase			High Frequency		Input
		(Ground)
		On			Off			Percent		Direct Current
	U0	Rated No Load	U1		Primary Voltage	U2		Conventional Load		Line Connection
		Voltage (Average)						Voltage
I1				I2	Rated Welding		X			Three Phase
		Primary Current			Current			Duty Cycle		Transformer
										Rectifier
IP		Degree Of			Loose Shield Cup			Torch-Tip-To	Hz	Hertz
		Protection						Electrode Short
		Air/Gas Pressure			Work			Low Air Pressure		Nitrogen Gas Input
		Adjustment						Light		Connection
		Adjust Air/Gas
		Pressure

SECTION 3 – INSTALLATION

3-1. Specifications

Model/

Amperes Input at Rated Output,

Plasma

50 or 60 Hz, Three-Phase

Gas

Rated

Plasma

Flow/

Max

IP

200 V

220 V

230 V

380 V

415 V

460 V

575 V

Output

KVA

KW

Gas

Pressure

OCV

Rating

1000 / 70

Amperes At

57

54

33

30

27

22

21

10

108 Volts DC

– –

(4.0*)

(2.6*)

(2.5*)

(1.5*)

(1.3*)

(1.0*)

(1.04*)

(0.6*)

At 100%

7 CFM

Air Or

270

Duty Cycle

(198 L/min)

21S

Nitrogen

Volts

1250 / 100

At 70 PSI

Only

DC

(482 kPa)

Amperes At

85

77

74

45

41

37

30

30

16

120 Volts DC

(3.4*)

(4.0*)

(2.9*)

(2.5*)

(1.5*)

(1.5*)

(1.0*)

(1.2*)

(0.5*)

At 80% Duty

Cycle

*While idling

OM-217 Page 12