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Approvals for racing harnesses are granted by sanctioning bodies like FIA, NASCAR and SFI. Some SCHROTH racing harness models are approved by multiple sanctioning bodies and therefore may carry multiple labels. One of these labels should apply to the motorsport in which you are participating.
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FIA homologated racing harnesses
Racing harnesses manufactured for motorsport in countries, or for racing series that fall under the FIA regulation, must carry the appropriate FIA labels. FIA-labelled belts are valid for five [5] years from last day of the year of manufacture unless regulated differently by the sanctioning body of the motorsport in which you are participating. The last year of FIA validity is indicated on the label. Each separate strap assembly is labelled with a FIA main label or a FIA identification label.
Identification labels, which bear the homologation number and the expiration date may be attached to each individual subassembly of the racing harness not permanently fixed to the buckle.
Valid FIA labels may show various homologation numbers depending on the installation of an anti-sub strap [sub = abbreviation of submarining = sliding underneath the lap belt during a frontal impact]. E.g.:
(B) = no anti-sub strap [4-point harness]
(C) = with anti-sub strap I [5-point]
(D) = with anti-sub strap II, F-type and HybridTM models [6-point]
FIA and other sanctioning bodies allow up to 44 mm [1.75”] small HANS specific shoulder straps to be worn only when used with a HANS®. Such shoulder belts are labelled.
SFI Approved Racing Harnesses
Racing harnesses specifically manufactured for motorsport requiring SFI Spec. 16.1 or SFI Spec. 16.5 approval are SFI tested and labelled. These racing harnesses MUST be replaced two years after the month and year of manufacture. The date of manufacture is indicated on all three SFI labels – [1] at the left lap belt, [2] at the left shoulder harness and [3] at the Anti-Sub Strap.
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Models SFI Spec. 16.1 or SFI Spec. 16.5/NASCAR approved racing harness may vary from FIA homologated models. However, the changes in brackets or adjusters and adjuster positions from the use of approved racing harnesses, and the varying methods of installation and operation that result, can easily be followed since each racing harness component and its use is described in the appropriate sections of this manual. [See, e.g. the “Brackets” section, explaining the correct installation and operation also of SFI Spec. 16.1 or SFI Spec. 16.5/NASCAR approved racing harnesses.]
Models with SCHROTH asm® Safety System
The asm® System
asm® is the acronym for anti-submarining [submarining = sliding underneath the lap belt during a frontal impact]. This phenomenon is likely to occur in a 4-point harness belt, and is significantly reduced by the patented asm® safety system. Therefore, all SCHROTH racing harnesses sold as 4-point harnesses and likely to be used as such, are equipped with the asm® system. It consists of an energy convertrer located in one shoulder belt. May be purchased as left and/or right harnesses, depending upon which side of the lap belt want to have the buckle attached.
Since every accident is different, always keep in mind that Profi asm® harness belts, just like other racing harnesses, cannot guarantee against severe injuries, death and other risks during an accident. Head and neck supports provide further reduction of head deceleration and neck forces. 4-point harnesses with the asm® system may be used with a HANS® device. (see FIA HANS Guide Issue: 01.07.2007 under www.fia.com). The asm® system in SCHROTH racing harnesses should never be used with other types of head and neck devices e.g. SFI 38.1 approved.
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