Pilz PMCprotego D.48 Operating Manual page 31

Function Description
}
Voltage spikes (< 50 μs) between the external conductors in accordance with
EN 61800: Max. 1000 V
}
Voltage spikes (< 50 μs) between the external conductors and the housing: Max. 2000
V
}
Max. 42 kA symmetrical rated current
Direct connection to PMCprotego D
}
208 – 240 V mains supplies without earthed star point (asymmetrically earthed or un-
earthed mains supplies), see Fig. (2) – (6)
}
208 – 480 V mains supplies with earthed star point, see Figure (1)
Connection via isolating transformer
} 400 – 480 V mains supplies without earthed star point (asymmetrically earthed or un-
earthed mains supplies), see Fig. (7) – (11)
Requirements for isolating transformers
} An earthed star point must be available on the secondary side. The star point on the
secondary side must be earthed and must be connected to the servo amplifier's protect-
ive earth conductor. This will prevent overvoltages between the external conductors
and the servo amplifier housing.
} The isolating transformers must have the relevant input and output voltages.
Line choke
Operating Manual PMCprotego D.48, PMCprotego D.72
1001735-EN-04
INFORMATION
A 3L line choke with u
k
imbalance of > 3%. Install the line choke on the mounting plate in a way that
is EMC-compliant.
= 2% must be used in the event of a mains voltage
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