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International standards -- IEC publications

Degrees of protection by enclosures evaluated in accordance with IEC publications (EOFI)

Products classified under this category are evaluated to degrees of protection provided by enclosures. Degrees of protection are determined by the IP coding system. Link to a list of IP codes and corresponding test programs.

The basic standard used to investigate this category is IEC 60529, degrees of protection provided by enclosures (IP Code).

Industrial control equipment, auxiliary devices classified in accordance with IEC publications (NVZG)

Products classified under this category include devices intended for use in control circuits of magnetic motor controllers. For more information on listing coverage, see auxiliary devices (NKCR).

The basic standard used to investigate this category is IEC 60947, low-voltage switch gear and control gear. The particular sections that apply are 60947-5-1: general rules, and 60947-5-1: control-circuit devices and switching elements, electromechanical control circuit devices.

Industrial control equipment, industrial control panels classified in accordance with IEC publications (NVZS)

Products classified under this category include industrial control panels. For more information on listing coverage, see industrial control panels (NITW).

The basic standard used to investigate this category is IEC 60204-1, electrical equipment of industrial machines.

Industrial control equipment, power conversion equipment classified in accordance with IEC publications (NWAR)

Products classified under this category include power conversion equipment. For more information on listing coverage, see power conversion equipment (NMMS).

The basic standard used to investigate this category is IEC 60146-1, semiconductor convertors, IEC 60146-2, semiconductor self-commutated convertors, and/or IEC 60146-3, semiconductor direct DC convertors.

Industrial control equipment, proximity switches classified in accordance with IEC publications (NWEU)

Products classified under this category include electronic switching devices that are actuated by position of an object without mechanical contact. Proximity switches covered under this category respond to inductive, capacitive, ultrasonic or photoelectric effects. For more information on listing coverage, see proximity switches (NRKH).

The basic standard used to investigate this category is IEC 60947, low voltage switch gear and control gear, in particular IEC 60947-1: general rules and IEC 60947-5-2: control circuit devices and switching elements, proximity switches.