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 / 2010-11-01
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR. PART 5-2: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS. PROXIMITY SWITCHES.
Low-voltage switchgear and controlgear -- Part 5-2: Control circuit devices and switching elements - Proximity switches.
Low-voltage switchgear and controlgear -- Part 5-2: Control circuit devices and switching elements - Proximity switches
Status: ANULADA / 2010-07-01
Low-voltage switchgear and controlgear -- Part 1: General rules
Status: ANULADA / 2009-09-01
Low-voltage switchgear and controlgear assemblies. Part 5: Particular requirements for assemblies intended to be installed outdoors in public places Cable distribution cabinets (CDCs) for power distribution in networks
Low-voltage switchgear and controlgear assemblies -- Part 5: Particular requirements for assemblies intended to be installed outdoors in public places - Cable distribution cabinets (CDCs) for power distribution in networks.
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES. PART 5: PARTICULAR REQUIREMENTS FOR ASSEMBLIES INTENDED TO BE INSTALLED OUTDOORS IN PUBLIC PLACES. CABLE DISTRIBUTION CABINETS (CDCS) FOR POWER DISTRIBUTION IN NETWORKS.
Low-voltage switchgear and controlgear assemblies - General requirements for low-voltage substation cable distribution boards
Status: ANULADA / 2009-07-01
Low-voltage switchgear and controlgear -- Part 2: Circuit-breakers
Status: ANULADA / 2008-10-01
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR. PART 6: MULTIPLE FUNCTION EQUIPMENT. SECTION ONE: AUTOMATIC TRANSFER SWITCHING ELEMENT.
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR. PART 6: MULTIPLE FUNCTION EQUIPMENT. SECTION ONE: AUTOMATIC TRANSFER SWITCHING EQUIPMENT.
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR. PART 6: MULTIPLE FUNCTION EQUIPMENT. SECTION 1: AUTOMATIC TRANSFER SWITCHING EQUIPMENT.
Status: ANULADA / 2007-09-01
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES. PART 4: PARTICULAR REQUIREMENTS FOR ASSEMBLIES FOR CONSTRUCTION SITES (ACS).
Low-voltage switchgear and controlgear assemblies -- Part 4: Particular requirements for assemblies for construction sites (ACS)
Status: ANULADA / 2007-05-01
Low-voltage switchgear and controlgear -- Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
Low-voltage switchgear and controlgear. Part 5-1: Control circuit devices and switching elements. Electromechanical control circuit devices.
Low-voltage switchgear and controlgear -- Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices.
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