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DIN 76722 code designation
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FL : (Fahrzeugleitung: vehicle cable) voltage class A as defined in ISO 6469-3
FHL : (Fahrzeug-Hochvolt-Leitung: vehicle high-voltage cable) voltage class B as defined in ISO 6469-3
FZL : (Fahrzeug-Zündleitung: vehicle ignition cable) as defined in ISO 3808
F : flat cable
Z : multicore cable with cores that are easily separated
K : compressed conductor
Al : aluminium
W : resistor material
M : other conductor materials
R : reduced insulation thickness ("thin wall" as defined in ISO 6722)
U : ultra-reduced insulation thickness ("ultra-thin wall" as defined in ISO 6722)
S : special insulation thickness
nocode : thick-walled insulation ("thick wall" as defined in ISO 6722)
Code Meaning
Y PVC (polyvinyl chloride)
2Y PE (polyethylene)
4Y PA (polyamide)
5Y PTFE (polytetrafluorethylene)
6Y FEP (tetrafluorethylene/hexafluorpropylene)
7Y E-TFE (ethylene/tetrafluorethylene)
9Y PP (polypropylene)
10Y PVDF (polyvinylidene fluoride)
11Y TPE-U (thermoplastic polyurethane, PUR)
12Y PBT (polybutylene terephthalate)
13Y TPE-E (thermoplastic polyester elastomer)
31Y TPE-S (thermoplastic styrol-block-copolymer)
51Y PFA (perfluoroalkoxy alkane)
52Y MFA (perfluoroalkoxy methylvinylether copolymer)
91Y TPE-O (thermoplastic polyolefin elastomer)
NY non-standardized thermoplastics and thermoplastic elastomers
2G SiR (silicone rubber)
3G E/PRa (ethylene propylene rubber)
4G EVM (ethylene vinyl acetate)
5G CR (chloroprene rubber)
53G PE-C (chlorinated polyethylene)
NG non-standardized elastomers
Code Meaning
B foil shielding
C braided shielding, metal
D spiral wire (or served) shielding, metal
G braid, nonmetallic
L lacquering
Code Meaning
A symmetrical structure as specified in ISO 6722 (all parts)
B asymmetrical structure as specified in ISO 6722 (all parts)
C asymmetrical structure as specified in ISO 6722 (all parts), with finestrands
Sn tin-coated wire surface
Ni nickel-coated wire surface
Ag silver-coated wire surface
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The cable designations are based on DIN 76722.
Example 1:
Designation for an unshielded low-voltage cable (FL) with thin-walled insulation (R), code for radia‐
tion cross-linked PE insulation material (2X) as per DIN 76722, a nominal conductor cross section
of 1.5 mm2 (1,5), (/), a maximum strand diameter of 0.33 mm (0,33), with tinned strands (Sn), a
cable composition of type A (-A), and a maximum long-term service temperature Tmax = +125 °C
(T125):
FLR2X 1,5/0,33Sn-A T125
Example 2:
Designation for an unshielded low-voltage cable (FL), code for silicone insulation material (2G) as
per DIN 76722, a nominal conductor cross section of 35 mm2 (35), (/), with bare strands of max.
0.21 mm (0,21), a cable composition of type B (-B), and a maximum long-term service temperature
Tmax = +200 °C (T200):
FL2G 35/0,21-B T200
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