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Low-voltage switchgear and controlgear - Overcurrent protective devices - Part 1: Application of short-circuit ratings

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear - Over-current protective devices - Part 2: Selectivity under over-current conditions

60.60 Standard published

TC 121/SC 121A

Low-voltage switchgear and controlgear - Fire risk analysis and risk reduction measures

60.60 Standard published

TC 121/SC 121A

Switchgear and controlgear and their assemblies for low-voltage - Energy efficiency

60.60 Standard published

TC 121

Low-voltage switchgear and controlgear - Guidance for the development of embedded software

60.60 Standard published

TC 121

Low-voltage switchgear and controlgear - Electromagnetic compatibility assessment for switchgear and controlgear and their assemblies

60.60 Standard published

TC 121/SC 121A

Low voltage switchgear and controlgear - Partial discharge voltages and PD-level in low voltage switchgear and controlgear

60.60 Standard published

TC 121/SC 121A

Maintenance of low voltage switchgear and controlgear and their assemblies.

40.99 Full report circulated: DIS approved for registration as FDIS

TC 121

Low-voltage switchgear and controlgear - Part 7-5: Ancillary equipment - Terminal blocks for aluminium conductors

60.60 Standard published

TC 121/SC 121A

Switchgear and controlgear and their assemblies for low voltage - Environmental aspects

60.60 Standard published

TC 121

Integration of internal arc-fault mitigation systems in power switchgear and controlgear assemblies (PSC‑Assemblies) according to IEC 61439-2

60.60 Standard published

TC 121/SC 121B

Low-voltage switchgear and controlgear - Security aspects

60.60 Standard published

TC 121

Supplementary requirements for intelligent assemblies

40.99 Full report circulated: DIS approved for registration as FDIS

TC 121/SC 121B