Projects

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Dimensions of low-voltage switchgear and controlgear - Standardized mounting on rails for mechanical support of switchgear, controlgear and accessories

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear – Part 10: Semiconductor Circuit-Breakers

30.60 Close of voting/ comment period

TC 121/SC 121A

Corrigendum 1 - Low-voltage switchgear and controlgear - Part 1: General rules

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 1: General rules

60.60 Standard published

TC 121/SC 121A

Corrigendum 2 - Low-voltage switchgear and controlgear - Part 1: General rules

60.00 Standard under publication

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 1: General rules

30.60 Close of voting/ comment period

TC 121/SC 121A

Amendment 1 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers

60.60 Standard published

TC 121/SC 121A

Corrigendum 1 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 2: Circuit-breakers

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 2: Circuit-breakers

50.00 Final text received or FDIS registered for formal approval

TC 121/SC 121A

Corrigendum 1 - Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units

60.60 Standard published

TC 121/SC 121A

Amendment 1 - Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units

40.20 DIS ballot initiated: 12 weeks

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters

20.99 WD approved for registration as CD

TC 121/SC 121A

Low-voltage switchgear and controlgear – Part 4-2: Contactors and motor-starters – Semiconductor motor controllers, starters and soft-starters

60.60 Standard published

TC 121/SC 121A

Amendment 1 - Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - Semiconductor motor controllers, starters and soft-starters

40.99 Full report circulated: DIS approved for registration as FDIS

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - Semiconductor controllers and semiconductor contactors for non-motor loads

60.60 Standard published

TC 121/SC 121A