Committee:
IEC/TC 121 Switchgear and controlgear and their assemblies for low voltage
CLC/BTTF 170-1 Common modifications to EN IEC 61439-1:2021 and EN IEC 61439-2:2021
CLC/SR 121 Switchgear and controlgear and their assemblies for low voltage
CLC/SR 121B Low-voltage switchgear and controlgear assemblies
CLC/TC 121A Low-voltage switchgear and controlgear
Standards developed by the committee: CTN 201/SC 121AB: 220
Status: ANULADA / 2021-04-08
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR FOR INDUSTRIAL USE. TERMINAL MARKING AND DISTINCTIVE NUMBER FOR AUXILIARY CONTACTS OF PARTICULAR CONTACTORS.
LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR FOR INDUSTRIAL USE. TERMINAL MARKING AND DISTINCTIVE NUMBER. GENERAL RULES.
LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR FOR INDUSTRIAL USE. TERMINAL MARKING. TERMINALS FOR EXTERNAL ASSOCIATED ELECTRONIC CIRCUIT COMPONENTS AND CONTACTS. (Endorsed by AENOR in September of 1994.)
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR FOR INDUSTRIAL USE. SIZE NUMBERS AND GAUGES FOR FLAT CONNECTIONS.
Status: ANULADA / 2021-03-11
A METHOD OF TEMPERATURE-RISE ASSESSMENT BY EXTRAPOLATION FOR PARTIALLY TYPE-TESTED ASSEMBLIES (PTTA) OF LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR.
Status: ANULADA / 2020-12-16
Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
Status: ANULADA / 2020-11-07
Low-voltage switchgear and controlgear for industrial use - Control switches - Position switches 30 x 55 - Dimensions and characteristics
Low-voltage switchgear and controlgear for industrial use - Control switches - Position switches 42,5 x 80 - Dimensions and characteristics
Status: ANULADA / 2020-10-14
Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
Status: ANULADA / 2020-09-02
Dimensions of low-voltage switchgear and controlgear - Standardized mounting on rails for mechanical support of electrical devices in switchgear and controlgear installations. (Endorsed by AENOR in November of 2001.)
Status: ANULADA / 2020-08-17
Low-voltage switchgear and controlgear - Product data and properties for information exchange
Status: ANULADA / 2018-10-03
Status: ANULADA / 2017-09-30
Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks
Status: ANULADA / 2017-09-27
Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 3: DeviceNet
Status: ANULADA / 2017-07-20
Low-voltage switchgear and controlgear assemblies - Part 1: General rules
Low-voltage switchgear and controlgear assemblies -- Part 1: General rules
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