Hivatkozási szám

MSZ EN 60947-4-1:2011

Dokumentumazonosító

150881

Cím

Kisfeszültségű kapcsoló- és vezérlőkészülékek. 4-1. rész: Kontaktorok és motorvédő kapcsolók. Elektromechanikus kontaktorok és motorvédő kapcsolók (IEC 60947-4-1:2009)

Angol cím

Low-voltage switchgear and controlgear. Part 4-1: Contactors and motor-starters. Electromechanical contactors and motor-starters (IEC 60947-4-1:2009)

Alkalmazási terület

1.1 Scope This part of IEC 60947 applies to the types of equipment listed in 1.1.1 and 1.1.2 whose main contacts are intended to be connected to circuits the rated voltage of which does not exceed 1 000 V a.c. or 1 500 V d.c. Starters and/or contactors dealt with in this standard are not normally designed to interrupt short-circuit currents. Therefore, suitable short-circuit protection (see 9.3.4) forms part of the installation but not necessarily of the contactor or the starter. In this context, this standard gives requirements for: – contactors associated with overload and/or short-circuit protective devices; – starters associated with separate short-circuit protective devices and/or with separate short-circuit and integrated overload protective devices; – contactors or starters combined, under specified conditions, with their own short-circuit protective devices. Such combinations, e.g. combination starters or protected starters are rated as units. For circuit-breakers and fuse-combination units used as short-circuit protective devices in combination starters and in protected starters, the requirements of IEC 60947-2 and IEC 60947-3 respectively apply. Equipment covered by this standard is as follows. 1.1.1 AC and DC contactors AC and DC contactors intended for closing and opening electric circuits and, if combined with suitable relays (see 1.1.2), for protecting these circuits against operating overloads which may occur therein. NOTE For contactors combined with suitable relays and which are intended to provide short-circuit protection, the relevant conditions specified for circuit-breakers (IEC 60947-2) additionally apply. This standard applies also to the actuators of contactor relays and to the contacts dedicated exclusively to the coil circuit of a contactor. Contactors or starters with an electronically controlled electromagnet are also covered by this standard. 1.1.2 AC motor-starters AC motor-starters intended to start and accelerate motors to normal speed, to ensure continuous operation of motors, to switch off the supply from the motor and to provide means for the protection of motors and associated circuits against operating overloads. Túl hosszú

ICS

29.120.99 Egyéb villamos tartozékok

29.130.20 Kisfeszültségű kapcsoló- és vezérlőberendezések

Műszaki Bizottság

A szabvány nyelve

angol

Az érvényesség kezdete

2011-01-01

A visszavonás napja

2022-03-22

Forrás

idt EN 60947-4-1:2010; idt IEC 60947-4-1:2009

Előd

MSZ EN 60947-4-1:2002, MSZ EN 60947-4-1:2001/A1:2003, MSZ EN 60947-4-1:2001/A2:2006

Utód

MSZ EN IEC 60947-4-1:2020

Módosítás

MSZ EN 60947-4-1:2010/A1:2013

Kiegészítő információk

SZK-közlemények

Kapcsolódó európai jogszabály

2014/30/EU (EMC14); 2006/95/EK; (LVD06); 2014/35/EU (LVD14); 2004/108/EK; (EMC04)

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