Friday, October 18, 2013

Minimum terminal capacity for copper protective conductors (PE, PEN)

CROSS-SECTIONAL AREA OF PHASE CONDUCTORS S
MM2
MINIMUM CROSS-SECTIONAL AREA OF THE CORRESPONDING PROTECTIVE CONDUCTOR (PE, PEN) SPA
MM2
S ≤ 16
S
16 < S ≤ 35
16
35 < S ≤ 400
S/2
400 < S ≤ 800
200
800 < S
S/4
a Current in the neutral may be influenced where there are significant harmonics in the load.
Minimum terminal capacity for copper protective conductors (PE, PEN)
Source: IEC 61439-1 2011 Table 5

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