FOREWORD
1 General
1.1 Scope
1.2 Normative references
2 Service conditions
3 Definitions
4 Ratings
4.1 Rated voltage
4.2 Rated insulation level
4.3 Rated frequency
5 Design and construction
5.1 General
5.2 Threshold values for voltage presence indication
5.3 Indication and perceptibility
5.4 Coupling element and voltage limiting device
5.5 Marking
5.6 Phase comparator and connecting point
5.7 Electromagnetic compatibility (EMC)
6 Type tests
6.1 General
6.2 Arrangement, assembly, marking, and instructions
for use
6.3 Clear indication of VPIS
6.4 Response time of VPIS
6.5 Dielectric strength of the coupling element of
VPIS
6.6 Maximum current delivered by the connecting point
6.7 Voltage limiting device
6.8 Clear perceptibility of visual indication
6.9 Impact resistance
6.10 Clear indication of phase comparators
6.11 Electromagnetic compatibility tests (EMC)
6.12 Indication until power source is exhausted
7 Routine tests
7.1 General
7.2 Clear indication
8 Guide to the selection of VPIS
9 Information to be given with enquiries, tenders
and orders
10 Instructions for use
10.1 General
10.2 Instructions for use of VPIS
10.3 Instructions for use of phase comparators
11 Safety
Annex ZA (normative) Normative references to
international publications with their
corresponding European publications
Annex ZB (informative) A-deviations