56 eCobra User's Guide 14402-000 Rev. F
4.6 Connecting 200-240 VAC Power to Robot
In the industrial environment, nonperiodic overvoltage peaks may appear on mains power
supply lines as a result of power interruptions to high-energy equipment (such as a blown fuse
on one branch in a 3-phase system). This will cause high current pulses at relatively low
voltage levels. The user shall take the necessary steps to prevent damage to the robot system
(such as by interposing a transformer). See IEC 1131-4 for additional information.
AC Power Diagrams
E
E
N
N
L
L
eCobra Robots
1Ø 200–240
VAC
1
2
3
Figure 4-10. Typical AC Power Installation with Single-Phase Supply
Table 4-12. Single-Phase Power Supply Description
Item Description
1 1 Ø, 200-240 VAC @ 20A
L = Line
N = Neutral
E = Earth Ground
2 User- supplied ACPower Cable
3 User- supplied fuse, slow blow, 10A
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