International Electrotechnical Commission

ENprotective separation 
a construction means to maintain the separation between circuits of different protection levels even in the event of a single fault as described in 7.3.3

NOTE Protective separation is a separation between circuits by means of basic and supplementary protection (basic insulation plus supplementary insulation or protective screening) or by an equivalent protective provision (for example, reinforced insulation or protective impedance).

TC/SC:82Terms     Info     Publications
Published in:IEC 62109-1, ed. 1.0 (2010-04) Terms     Info
Reference number:3.76

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