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.

Permissible installation location of the product: indoors, outdoors, in a technical area, or as part of equipment.

Environmental conditions under which installation and operation of the product are permitted.

Permissible spatial orientation of the component during installation and operation.

Actual electrical pole configuration of the product, including the number and function of switched poles.

Pole-count configurations for which the product is intended to be used or connected.

Fuse systems with which the product is mechanically and electrically compatible.

Standardized fuse-link sizes that the product permits to be installed and used.

Mechanical arrangement used to insert, retain and remove the fuse-link from the fuse-holder or fuse base.

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

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

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

External linear dimension of the product along its longitudinal direction or principal length axis.

Horizontal dimension of the mounting cutout or opening required to install the product in a prepared surface or recess.

Vertical dimension of the mounting cutout or opening required to install the product in a prepared surface or recess.

Depth of the enclosure portion installed within a wall or mounting recess.

Distance by which the front part of the installed product projects beyond the wall surface.

Number of positions provided in the product for installation of fuse-links.

Indicates whether a position is provided for installation of a fuse-link in the neutral pole.

Primary material from which the product is manufactured.

Grade, alloy, class, or technical designation of the product's primary material.

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

Designation of the product's primary surface colour according to the RAL colour system.

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

Character of the surface microrelief and visual structure after manufacturing or finishing.

Technological surface treatment applied to modify its protective, mechanical, or decorative properties.

Type of protective, functional, or decorative coating applied to the surface.

Material or chemical basis of the coating applied to the surface of the product or one of its parts.

Thickness of the coating layer applied to the surface of the product or one of its parts.

Indicates whether the product material is classified as halogen-free according to the characteristics declared by the manufacturer.

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

Temperature of the heated wire used when testing the material or product against an ignition source.

Lowest declared glow-wire temperature at which ignition of the material is assessed according to the specified method.

Material or plated-material system of the current-carrying contacts in the fuse-holder or fuse base. This is distinct from the external contact material of the fuse-link itself.

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.

Type of surface or supporting base to which the product may be fixed.

Number of holes provided in the product for mechanical fixing.

Diameter of the hole provided for a fixing element used when mounting the product.

Geometric shape of the hole intended for mechanical fixing of the product.

Distance between the centres of mounting holes in the horizontal direction.

Distance between the centres of mounting holes in the vertical direction.

Horizontal dimension of the mounting pattern between the outermost fixing points of the product.

Vertical dimension of the mounting pattern between the outermost fixing points of the product.

Size designation of the screw, bolt, or other threaded fastener used for mounting the product.

Designation of the thread provided in the product's mounting holes or fixing elements.

Tightening torque recommended or permitted for fasteners during product installation.

Indicates whether the required fasteners are included with the product.

Primary material of screws, bolts, nuts, rivets, and other product fasteners.

Indicates whether the design provides for mounting equipment on a DIN rail.

List of DIN rail profiles with which the product is mechanically compatible.

Indicates whether equipment may be mounted directly to the mounting surface without an intermediate DIN rail.

Indicates whether the intended installation of the product can be carried out without tools.

Type of electrical current for which the product's main supply circuit is intended.

Current assigned to the product by the manufacturer for the declared operating and thermal conditions.

Highest rated current permitted for the relevant version or configuration of the product.

Voltage value assigned to the product by the manufacturer for specified application conditions and characteristics.

Rated RMS value of alternating voltage assigned to the product by the manufacturer.

Rated direct voltage assigned to the product by the manufacturer.

Operating-circuit voltage with reference to which the product's performance characteristics are specified.

AC frequency assigned to the product for normal operating conditions.

Lower limit of the electrical network or signal frequency at which product operation is permitted.

Upper limit of the electrical network or signal frequency at which product operation is permitted.

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.

Degree of pollution of the surrounding microenvironment considered when selecting insulation distances and product characteristics.

Manufacturer-declared permissible short-circuit current value for the product or assembly under specified conditions.

Prospective short-circuit current that the product can withstand when the specified external protective device is used.

Peak current value Ipk that the product can withstand under the declared short-circuit conditions.

Maximum thermal power loss that the product can dissipate under specified conditions.

Ambient temperature to which the manufacturer's declared electrical or thermal characteristic applies.

Maximum nominal conductor cross-section permitted at the product's incoming connection.

Maximum nominal conductor cross-section permitted at the product's outgoing connection.

Minimum conductor cross-section permitted for connection to the incoming terminal of the main power circuit.

Minimum conductor cross-section permitted for connection to the outgoing terminal of the main power circuit.

Maximum nominal cross-section of the neutral conductor permitted by the relevant product connection.

Minimum neutral conductor cross-section permitted for connection to the corresponding product terminal.

Maximum nominal cross-section of the PE protective conductor permitted by the relevant product connection.

Minimum PE protective conductor cross-section permitted for the specified protective connection of the product.

Conductor materials for which the specified terminals and connection methods are designed.

Conductor connection methods supported by the specified terminals or connection elements.

Conductor construction classes permitted by the product's electrical connection system.

Maximum number of main-power-circuit conductors that may be connected simultaneously to one terminal.

Tightening torque specified by the manufacturer for a screw or bolted terminal connection.

Maximum rated current of a fuse-link permitted for installation in the product.

Maximum fuse-link power dissipation that the fuse-holder can thermally accept at its rated current under the manufacturer-declared reference conditions.

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

IP degree of protection provided by the accessible front side of the product after its intended installation.

Class of enclosure resistance to external mechanical impacts designated by the IK code.

Indicates whether the declared ingress protection of the enclosure has been verified by certification or testing.

Method or level of protection of the user against direct contact with hazardous live parts.

Indicates whether the design prevents finger access to hazardous live parts in the intended condition.

Indicates whether the design provides protection against accidental contact with hazardous live parts.

Indicates whether insulating or mechanical protective shrouds are included with the product.

Indicates whether live parts are covered by protective elements in the intended product state.

Indicates whether the product can be locked with a padlock.

Indicates whether the material and coating are designed to withstand ultraviolet radiation.

Indicates whether the product materials retain their declared properties when exposed to the specified oils.

Groups of chemicals or environments whose effects the product can withstand under the declared conditions.

Indicates that the manufacturer explicitly permits replacement of the fuse-link while the holder supply side remains energized, subject to the stated operating instructions.

Indicates that the manufacturer explicitly permits replacement or withdrawal of the fuse-link while carrying load current.

Indicates that the fuse-holder includes a shutter or equivalent automatic cover that reduces access to live contacts when the fuse carrier or fuse-link is removed.

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

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

Maximum permissible average ambient temperature over a consecutive 24-hour period.

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.

Minimum ambient temperature permitted during transportation of the product.

Maximum ambient temperature permitted during transportation of the product.

Minimum ambient temperature at which the manufacturer permits installation of the product.

Maximum ambient temperature at which the manufacturer permits installation of the product.

Indicates whether permissible electrical or thermal loading must be reduced as temperature changes.

Temperature above which the permissible product load must be reduced.

Indicates whether the manufacturer has published the relationship between permissible product load and temperature.

Minimum relative air humidity permitted for the declared operating or test condition.

Maximum relative air humidity permitted for the declared operating or test condition.

Temperature at which the corresponding relative humidity value is specified or standardized.

Indicates whether the permissible humidity value applies only to non-condensing conditions.

Maximum altitude above sea level at which the product may be installed without exceeding the declared conditions.

Indicates whether the permissible product load must be reduced as installation altitude increases.

Altitude above sea level above which the permissible product load must be reduced.

Indicates whether the manufacturer provides a table or curve for derating the permissible load when operating above the reference altitude.

Indicates whether the product's resistance to vibration has been verified under the declared conditions.

Indicates whether the product's resistance to short-duration mechanical shocks has been verified.

Indicates whether one or more specified fuse-links are supplied with the product.

Indicates whether one or more auxiliary contacts are included in the standard product configuration.

Indicates whether an alarm signalling contact is included in the product's standard equipment.

Indicates whether an accessory pack is included in the product's standard equipment.

Indicates whether an installation hardware kit is included in the product's standard equipment.

Indicates whether documentation is included in the product's standard supply.

Indicates whether an installation manual is included with the product.

Indicates whether a wiring diagram is included with the product.

Indicates whether the product supports installation or connection of specified auxiliary contacts.

Indicates whether a discrete alarm signal can be generated through the provided signalling contact.

Indicates whether visual, electrical, or electronic fuse-blown indication is supported.

Indicates whether fuse-blown indication is integrated into the product without requiring a separate additional device.

Indicates whether monitoring of a fuse-link equipped with a mechanical striker is supported.

Indicates whether an electrical contact for signalling fuse-link operation is supported.

Indicates whether the switching device is declared suitable for providing an isolation function.

Indicates whether a positive mechanical relationship exists between the position indication and the actual position of the main contacts.

Indicates whether visible indication is provided to determine the position of the main switching contacts.

Indicates whether the fuse carrier or fuse-retaining mechanism is an integrated part of the product.

Indicates that the fuse carrier can be removed from the holder or base as a separate operating part.

Indicates that the required removable fuse carrier is supplied with the product.

Indicates that the fuse carrier or operating part can be mechanically locked against insertion, removal or operation.

Indicates that the fuse carrier, cap or operating part can be sealed against unauthorized access.

Indicates that the fuse base requires a gauge piece, adapter ring or equivalent rejection element for correct fuse-link rating and size selection.

Indicates that the required gauge piece, adapter ring or equivalent rejection element is supplied with the fuse base.

Indicates that the screw cap or screw-type fuse carrier required by a D or D0 fuse system is supplied with the product.

Indicates that the product incorporates a mechanical rejection or non-interchangeability feature intended to prevent use with an incompatible fuse-link, fuseholder or rating system.

Certification, market-approval, or conformity marks applicable to the product.

Primary normative document or standard according to which the manufacturer classifies or assesses the product.

Additional normative documents and standards declared by the manufacturer as applicable to the product.

Indicates whether an official declaration of conformity is available for the product.

Indicates whether a certificate relating to the declared certification or conformity of the product is available.

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

Indicates whether the product has a declared UL Listed certification or recognition status.

Indicates whether the product has a declared UL Recognized certification or recognition status.

Indicates whether the product has a declared CSA certification or recognition status.

Indicates whether the product has a declared TÜV certification or recognition status.

Indicates whether the product has a declared VDE certification or recognition status.

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.

Additional manufacturer information concerning standards, certificates, declarations, and limitations of the declared compliance scope.

Indicates whether the manufacturer declares product compliance with IEC 60529.

Indicates whether the product has been tested according to applicable methods of the IEC 60068 series.

Compliance with IEC 60269-1 general requirements for low-voltage fuses.

Compliance with the German adoption of the general low-voltage fuse requirements under VDE 0636-1.

Compliance with UL 4248-1 general requirements for fuseholders.

Compliance with CSA C22.2 No. 4248.1 general requirements for fuseholders.

Compliance with IEC 60269-3 supplementary requirements for fuses intended for operation by unskilled persons, mainly household and similar applications.

Compliance with DIN VDE 0636-3 requirements for standardized low-voltage fuse systems intended for operation by unskilled persons.

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

Mass of the product together with its individual packaging and the accessories included in it.

External horizontal dimension of the product's individual package.

External vertical dimension of the product's individual package.

External depth dimension of the product's individual package.

Design type of the product's individual or transport packaging.

Number of individual products contained in one packaging unit at the specified level.

Country of origin of the goods declared for customs or commercial purposes.

Commodity code under the international Harmonized Commodity Description and Coding System.

Commodity code under the Combined Nomenclature of the European Union.