Miller Spectrum 300 User Manual download pdf (Page 2)

Control Panel

Rated Output

15–27 A at 90 VDC,

35% duty cycle

Max. Open-

Circuit Voltage

288 VDC

Weight with Torch

Net: 55 lb. (25 kg)

Ship: 61.5 lb. (27.9 kg)

Amps Input at Rated Output, 60 Hz, 1-Phase

115 V 230 V KVA KW

28* 14 3.3 3.2

Specifications

(Subject to change without notice.)

Dimensions

H: 13.5 in. (343 mm)

W: 8.5 in. (216 mm)

D: 16 in. (406 mm)

Plasma

Gas

Air or

Nitrogen

only

1. Status and Troubleshooting Lights

2. Power Switch

3. Output Control

4. Gas/Air Pressure Gauge

5. Gas/Air Pressure Adjustment Control

Mild Steel Cutting Capability

(Thickness to scale.)

3/8 in. (9.5 mm) at 14 IPM

*Recommended 30 A branch circuit for maximum performance. Performance on 20 A branch service may be limited due to breaker/line fuse.

Reducing unit output amperage will minimize nuisance breaker/line fuse tripping.

Note: Recommended maximum piercing capacity for hand-held applications is 1/8 inch (3.2 mm).

Maximum sever cut of 5/8 inch (15.9 mm) at 6 IPM.

For aluminum and other metals with high thermal conductivity, cutting capabilities will be derated as much as 30%.

Maximum Cutting Speeds at 27 Amps Output

Maximum Cutting Speeds at 20 Amps Output

Travel speeds are approximately 80% of maximum.

Thickness Approximate Travel Speeds*

3/16 in. (4.8 mm) 47 IPM (1194 mm/min.)

1/4 in. (6.4 mm) 25 IPM (635 mm/min.)

3/8 in. (9.5 mm) 15 IPM (381 mm/min.)

1/2 in. (12.7 mm) 6 IPM (152 mm/min.)

Thickness Approximate Travel Speeds*

16 ga. (1.5 mm) 162 IPM (4115 mm/min.)

3/16 in. (4.8 mm) 26 IPM (660 mm/min.)

1/4 in. (6.4 mm) 18 IPM (457 mm/min.)

3/8 in. (9.5 mm) 7 IPM (178 mm/min.)

Rated

1/4 in. (6.4 mm) at 27 IPM

Certified by Canadian Standards Association to both the Canadian and U.S. Standards.

Rated cut capacity is based on traveling approximately 15 inches per minute to

achieve a steady, precise cut. This is the key rating that should meet or exceed

your typical cutting thickness requirements.

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Miller Spectrum 300 User Manual Page 2

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