Powermax, Service manual – Hypertherm Powermax600 Service Manua User Manual
Page 25
2-5
S
PECIFICATIONS
powermax
600
Service Manual
Grounding Requirements
To ensure personal safety, proper operation and to reduce electromagnetic interference (EMI), the
Powermax600 must be properly grounded:
•
The power supply chassis is electrically conductive and can present a shock hazard if it is not
properly grounded through the line voltage disconnect box.
•
The power supply must be properly grounded through the power cord according to national or
local electrical codes.
•
Three-phase service must use a 4-wire cord that includes a protective earth ground.
•
Also see
Grounding Safety, in Section 1 of this manual.
A
PMX600.02
Power Cord / Extension Cord
Use a cord that is certified by national or local codes. The cord should be installed by a licensed electrician.
Refer to the length requirements listed below.
Input
Voltage
Phase
Recommended Cord Gauge Size (mm
2
)
208-240 VAC
1
10
10
10
16
16
230 VAC
3
4
6
6
10
10
400 VAC
3
2.5
2.5
4
6
6
480 VAC
3
4
4
4
4
6
Recommended Cord Gauge Size (AWG)
208-240 VAC
1
8
8
8
6
6
230 VAC
3
12
10
10
8
8
400 VAC
3
14
14
12
10
10
480 VAC
3
12
12
12
12
10
< 10 ft
10-25 ft
25-50 ft
50-100 ft
100-150 ft
< 3 m
3 – 7.5 m
7.5 – 15 m
15 – 30 m
30 – 45 m
10-99