Section 4 − Installation; Specifications; Duty Cycle And Overheating - Miller Electric INVISION 456 CC Owner's Manual

.
This manual contains information on CC and CC/CV units. Differences between models are noted throughout this manual.

4-1. Specifications

Input Rated Welding
Power Output
450 A @ 38 Volts DC,
Three 100% Duty Cycle;
Phase 550 A @ 42 Volts DC,
60% Duty Cycle

4-2. Duty Cycle And Overheating

100% Duty Cycle At 450 Amperes
Continuous Welding
Overheating
OM-203 034 Page 14
SECTION 4 − INSTALLATION
Amperage Voltage
Range Range
Voltage DC
5 − 600 10 − 38
0
Minutes
Maximum
Amperes Input At Rated Load
Open- Output 50 Hz, Three-Phase
Circuit
380 V
95 33
60% Duty Cycle At 565 Amperes
6 Minutes Welding
15
OR
Reduce Duty Cycle
400 V KVA KW
31 21.6 19.4
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
If unit overheats, thermostat(s)
opens, output stops, and cooling
fan runs. Wait fifteen minutes for
unit to cool. Reduce amperage or
duty cycle before welding.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
4 Minutes Resting
A/V
duty1 4/95 − SA-181 560