IEC 60947-1 | DIN EN 60947-1 | VDE 0660-100
Low-voltage switchgear and controlgear:
General rules

IEC 60947-3 | DIN EN 60947-3 | VDE 0660-107
Low-voltage switchgear and controlgear: Switches, disconnectors, switch-disconnectors and fuse-combination-units.

IEC 60947-4-1 | DIN EN 60947-4-1 | VDE 0660-102
Low-voltage switchgear and controlgear: Electromechanical contactors and motor-starters.

IEC 60947-5-1 | DIN EN 60947-5-1 | VDE 0660-200
Low-voltage switchgear and controlgear: Control circuit devices and switching elements, Electromechanical control circuit devices.

IEC 60204-1 | DIN EN 60204-1 | VDE 0113-1
Electrical equipment of machines:
General requirements.

IEC 60439-1 | DIN EN 60439-1 | VDE 0660-500
Low-voltage switchgear and controlgear assemblies: Type-tested and partially type-tested assemblies.

IEC 60439-4 | DIN EN 60439-4 | VDE 0660-501
Low-voltage switchgear and controlgear assemblies: Particular requirements for assemblies for construction sites.

IEC 60309-1 | DIN EN 60309-1 | VDE 0623-1
Plugs, socket-outlets and couplers for industrial purposes: General requirements.

IEC 60309-2 | DIN EN 60309-2 | VDE 0623-20
Plugs, socket-outlets and couplers for industrial purposes: Dimensional interchangeability requirements for pin and contact-tube accessories.

UL 508
Industrial Control Equipment
Low-voltage switchgear