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OPeRATION
powermax
65/85
Operator Manual
4-15
Understanding duty-cycle limitations
The duty cycle is the amount of time, in minutes, that a plasma arc can remain on within a
10-minute period when operating at an ambient temperature of 104° F (40° C).
With a Powermax65:
• At 65 A, the arc can remain on for 5 minutes out of 10 minutes without causing the unit to
overheat (50% duty cycle).
• At 59 A, the arc can remain on for 6 minutes out of 10 (60%)
• At 46 A, the arc can remain on for 10 minutes out of 10 (100%).
With a Powermax85:
• At 85 A, the arc can remain on for 6 minutes out of 10 minutes without causing the unit to
overheat (60% duty cycle).
• At 74 A, the arc can remain on for 8 minutes out of 10 (80%)
• At 66 A, the arc can remain on for 10 minutes out of 10 (100%).
If the duty cycle is exceeded, the power supply overheats, the temperature fault icon appears in the
status screen, the arc shuts off, and the cooling fan continues to run. You can not resume cutting
until the temperature fault icon disappears and the fault LED goes off.
Содержание Powermax 65
Страница 1: ...Plasma arc cutting systems Operator Manual 806650 Revision 0 85 ...
Страница 10: ...Table of Contents vi powermax65 85 Operator Manual WARRANTY vi Hypertherm ...
Страница 30: ...Specifications 1 16 powermax65 85 Operator Manual ...
Страница 140: ...Maintenance and Repair 5 12 powermax65 85 Operator Manual ...