Commercial or technical designation of a manufacturer's product family sharing a common design and compatible characteristics.

Range of tasks and systems for which the manufacturer recommends the component.

Primary function of the device and its intended use as defined by its design and the manufacturer's documentation.

External horizontal dimension of the product between its outermost lateral points.

Dimension of a material, part, or product between two opposite surfaces, measured in the thickness direction.

External vertical dimension of the product from its lowest to its highest point.

External distance between the foremost and rearmost surfaces of the product.

Mass of the product itself, excluding transport packaging, additional accessories, and external equipment.

Primary material from which the product is manufactured.

Primary electrical insulation material applied to or integrated with the conductive part of the product.

Primary visually perceived colour of the product's external surface.

Type of final surface finish of the product determining its appearance and service properties.

Installation arrangement permitted by the product design, such as wall-mounted, flush-mounted, floor-mounted, or another specified mounting type.

Method used to mechanically secure the product to a support, surface, or load-bearing structure.

Permissible spatial orientation of the component during installation and operation.

Position of the accessory relative to the host switching or protective device, independent of the general installation orientation.

Voltage with reference to which the product's insulation clearances and dielectric properties are specified.

Peak value of an impulse voltage of specified waveform that the product insulation must withstand without breakdown.

Test voltage applied to verify the dielectric strength of the product insulation.

Minimum manufacturer-declared clearance through air between conductive parts at different electrical potentials.

Minimum manufacturer-declared creepage distance along an insulating surface between conductive parts at different electrical potentials.

Degree of enclosure protection against access to hazardous parts and ingress of solid objects and water, designated by the IP code.

Indicates whether the product's primary material has electrical insulating properties and is intended to electrically separate conductive parts.

Indicates whether the product material has properties that reduce its ability to ignite and propagate flame.

Classification of a material according to its ability to ignite, sustain combustion, and cease burning under a specified test.

Minimum ambient temperature at which normal operation of the product is permitted.

Maximum ambient temperature at which normal operation of the product is permitted.

Minimum ambient temperature permitted during storage of the product while not in operation.

Maximum ambient temperature permitted during storage of the product while not in operation.

Indicates whether an internal or external protective barrier is provided to restrict access to hazardous parts.

Indicates the presence of insulating barriers separating live parts, circuits, or functional zones.

Indicates the presence of barriers between live parts of different phases to increase electrical separation.

Indicates whether the CE marking is applied to the product where applicable.

Indicates whether product compliance with applicable RoHS restrictions on hazardous substances has been declared.

Indicates whether the manufacturer declares compliance of the product with applicable REACH Regulation requirements.