Iec symbols, Noise levels, 1 – specifications – Hypertherm Powermax30 AIR Service Manual User Manual
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Powermax30 AIR Service Manual 808850
1 – Specifications
IEC symbols
The following symbols may appear on the power supply data plate, control labels, switches, and LEDs.
Noise levels
This plasma system may exceed acceptable noise levels as defined by national and local codes. Always wear proper ear
protection when cutting. Any noise measurements taken depend on the specific environment in which the system is used.
Refer to
Noise can damage hearing in the Safety and Compliance Manual (80669C) included with your system.
In addition, you can find an
Acoustical Noise Data Sheet for your system in the Hypertherm downloads library at
www.hypertherm.com
:
1. Click “Downloads library.”
2. Select a product from the “Product type” menu.
3. Select “Regulatory” from the “Category” menu.
4. Select “Acoustical Noise Data Sheets” from the “Sub Category” menu.
Direct current (DC)
Alternating current (AC)
Plasma torch cutting
AC input power connection
The terminal for the external
protective (earth) conductor
I
Power is ON
O
Power is OFF
An inverter-based power
source
Volt/amp curve, “drooping”
characteristic
Power is ON (LED)
Internal air compressor fault
(LED)
Missing or loose consumables
(LED)
Power supply is overheated
(LED)
f
1
f
2
1~
AC