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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

Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 5-2: Control circuit devices and switching elements - Proximity switches

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 5-3: Control circuit devices and switching elements - Requirements for proximity devices with defined behaviour under fault conditions (PDDB)

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 5-3: Control circuit devices and switching elements - Requirements for proximity devices with defined behaviour under fault conditions (PDDB)

30.60 Close of voting/ comment period

TC 121/SC 121A

Amendment 1 - Low-voltage switchgear and controlgear - Part 5-4: Control circuit devices and switching elements - Method of assessing the performance of low-energy contacts - Special tests

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 5-4: Control circuit devices and switching elements - Method of assessing the performance of low-energy contacts - Special tests

60.60 Standard published

TC 121/SC 121A

Corrigendum 1 - Amendment 1 - Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function

60.60 Standard published

TC 121/SC 121A

Amendment 1 - Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function

60.60 Standard published

TC 121/SC 121A

Amendment 2 - Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function

30.60 Close of voting/ comment period

TC 121/SC 121A