Section 3 − Specifications; Specifications For Air-Cooled Torches For Plasma Arc Cutting (Pac); Duty Cycle And Overheating - Miller ICE-40C Manuel Du Propriétaire

3-1. Specifications For Air-Cooled Torches For Plasma Arc Cutting (PAC)

Torch Model
40 A 40 A, 50% duty cycle
50 A 50 A, 60% duty cycle
55 A 55 A, 60% duty cycle
80 A 80 A, 50% duty cycle
100 A 100 A, 80% duty cycle
Safety interlock devices shut down power source.
All models have safety trigger guard.
Gear rack pitch for 50 A, 55 A, 80 A and 100A machine-held models: 32

3-2. Duty Cycle And Overheating

OM-1593 Page 10
SECTION 3 − SPECIFICATIONS
Rated Output Cable Length
25 ft (7.6 m)
Optional 50 ft (15.2 m)
25 ft (7.6 m)
Optional 50 ft (15.2 m)
25 ft (7.6 m)
Optional 50 ft (15.2 m)
25 ft (7.6 m)
Optional 50 ft (15.2 m)
25 ft (7.6 m)
Optional 50 ft (15.2 m)
40 Ampere Torch: 50% Duty Cycle At 40 Amperes
80 Ampere Torch: 50% Duty Cycle At 80 Amperes
5 Minutes Cutting
50 Ampere Torch: 60% Duty Cycle At 50 Amperes
55 Ampere Torch: 60% Duty Cycle At 55 Amperes
6 Minutes Cutting
100 Ampere Torch: 80% Duty Cycle At 100 Amperes
8 Minutes Cutting
Air Flow
(Air Or Nitrogen
Plasma Gas)
6 CFM (170 L/min)
at 75 PSI (517 kPa)
5.3 CFM (152 L/min)
at 70 PSI (482 kPa)
6 CFM (172 L/min)
at 70 PSI (482 kPa)
CX models: 7.2 CFM (207
L/min) at 80 PSI (551 kPa)
T and TM models: 7.8 CFM
(221 L/min) at 70 PSI (482
kPa)
9.2 CFM (260 L/min)
at 75 PSI (517 kPa)
5 Minutes Resting
4 Minutes Resting
2 Minutes Resting
Max. Cutting Capacity
(Mild Steel)
1/2 in. (12.7 mm) at 40 A
7/8 in. (22 mm) at 50 A
1 in. (25.4 mm) at 55 A
1-1/4 in. (32 mm) at 80 A
1-1/2 in. (38 mm) at 100 A
Duty Cycle is percentage of 10
minutes that unit can cut at rated
load without overheating.
NOTICE − Exceeding duty cycle
can damage power source and
torch and void warranty.
rduty1* 5/95