Norm

NEN-EN-IEC 60947-4-3:2014 en

Laagspanningsschakelaars - Deel 4-3: Schakelaars en aanzetters voor motoren - Wisselstroomhalfgeleider-regelaars en -schakelaars voor niet-motorische belastingen

262,65

Over deze norm

Status Definitief
Aantal pagina's 159
Commissie Laagspanningsschakelaars
Gepubliceerd op 01-07-2014
Taal Engels
NEN-EN-IEC 60947-4-3 applies to a.c. semiconductor non-motor load controllers and contactors intended for performing electrical operations by changing the state of a.c. electric circuits between the ON-state and the OFF-state. Typical applications are classified by utilization categories given in Table 2. As controllers, they may be used to reduce the amplitude of the r.m.s. a.c. voltage on the load terminals from that of the applied voltage - either continuously or for a specified period of time. The half-wave period of the a.c. wave form remains unchanged from that of the applied voltage. They may include a series mechanical switching device and are intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V a.c. This standard characterizes controllers and contactors for use with or without bypass switching devices. The semiconductor controllers and contactors dealt with in this standard are not normally intended to interrupt short-circuit currents. Therefore, suitable short-circuit protection (see 8.2.5) should form part of the installation but not necessarily of the controller itself. In this context, this standard gives requirements for semiconductor controllers and contactors associated with separate short-circuit protective devices.

Details

ICS-code 29.130.20
31.180
Nederlandse titel Laagspanningsschakelaars - Deel 4-3: Schakelaars en aanzetters voor motoren - Wisselstroomhalfgeleider-regelaars en -schakelaars voor niet-motorische belastingen
Engelse titel Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads
Vervangt
Normatieve verwijzingen
  • 2004/108/EG, Elektromagnetische compatibiliteit
  • 2006/95/EG, Laagspanningsrichtlijn nieuw
  • 2014/30/EU,

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