Section 4 − installation, Specifications, Specifications for torch – Miller Electric ICE-12C User Manual

Page 14: Duty cycle and overheating, 1. specifications, 2. specifications for torch, 3. duty cycle and overheating

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OM-2248 Page 10

SECTION 4 − INSTALLATION

4-1.

Specifications

Primary

Volts

Primary

Amperes

Primary Service

(Recommended)

Secondary

Volts (DC)

Secondary

Amperes

KW

KVA

Rated

Cutting

Capacity

Power
Factor

Max**

OCV
(DC)

120

20.32

(0.25*)

20A

110

12

2.01

2.44

0.25 in

(6.4 mm)

At 6 IPM

(2.5 mm/s)

0.82

335

*While idling
**10% High line condition

4-2. Specifications For Torch

Air-cooled torch for plasma arc cutting (PAC)

35% duty cycle

Compressor output: 1.2 scfm (28.3 L/min) at 50 PSI (345 kPa) at 700 ft (213 m)

Safety interlock devices shut down power source

Safety trigger guard

Cutting capacity: see Section 4-1

4-3.

Duty Cycle And Overheating

Duty Cycle is percentage of 10 min-
utes that unit can cut at rated load
without overheating.

If unit overheats, thermostat(s)
opens, output stops, Temperature
trouble light goes On, and cooling
fan runs. Wait fifteen minutes for
unit to cool or temperature light to
go off. Reduce amperage or duty
cycle before cutting or gouging.

Y

Exceeding duty cycle can
damage unit and void
warranty.

Overheating

duty1 4/95 − 802 459-B

3-1/2 Minutes Cutting

6-1/2 Minutes Resting

0

15

Minutes

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