TFR-CVVSB
TFR-CVVSB is a KS / KEPCO type names (Korea) cable designation: TFR- = TFR-: tray flame retardant, a high flame-retardant PVC sheath for cable trays; C = C: control cable (first letter of the control cable names CVV, CCV, CCE, HFCCO); V = V: PVC insulation; V = V: PVC (vinyl) sheath; SB = SB: copper wire braid shield over the laid-up cores; TFR-CVVSB = TFR-CVVSB: CVVSB with a tray flame-retardant PVC sheath. 0.6/1 kV (Taihan p.40). KS C IEC 60502-1.
2 coding systems recognise this code
KS / KEPCO type names (Korea)
| Symbol | Meaning |
|---|---|
TFR- | TFR-: tray flame retardant, a high flame-retardant PVC sheath for cable trays |
C | C: control cable (first letter of the control cable names CVV, CCV, CCE, HFCCO) |
V | V: PVC insulation |
V | V: PVC (vinyl) sheath |
SB | SB: copper wire braid shield over the laid-up cores |
TFR-CVVSB | TFR-CVVSB: CVVSB with a tray flame-retardant PVC sheath. 0.6/1 kV (Taihan p.40). KS C IEC 60502-1 |
NBN (Belgian national cable names, ...B types)
| Symbol | Meaning |
|---|---|
T | Telephone Cable |
FR | Fire Resistance Category |
C | Concentric Copper Conductor |
V | Polyvinyl Chloride (PVC) |
V | Polyvinyl Chloride (PVC) |
S | Welding Cable; In Wire Names Such As VSB: Flexible (Souple) |
B | Belgium Type |
How to read a NBN (Belgian national cable names, ...B types) cable code
Fire behaviour (EU CPR)
Flame retardant (TFR-, TFR-CVVSB). The single-cable test behind class Eca is EN 60332-1-2 (the flame stops within 425 mm). Bunched cables are tested by IEC 60332-3-24 category C (1.5 l/m, 20 min, char at most 2.5 m), which is not a CPR class test; the CPR ladder test for B1ca to Dca is EN 50399.
PVC sheath (TFR-, V, TFR-CVVSB).
Typically targeted, as declared by makers for this kind of construction in the examples this site checked (not the class of this cable):
EcaN1XV-R, Ahlsell (seller)Cca-s3,d1,a3FG16OR16, Nexans (La Triveneta Cavi)EcaU1000 R2V, Nexans (La Triveneta Cavi)EcaN2XSY, Waskönig+Walter (10 kV datasheet)
Listed as sources, alphabetically by maker. No maker pays to appear here.
A CPR class is declared by the maker in its Declaration of Performance and printed on the sheath (EN 50575 cl 7). This decoder does not assign one. What the CPR classes mean →
Sources: EN 13501-6 draft and FprEN 50575:2014 final draft (drafts, not the published texts); IEC 60332-3-24:2000+A1:2008; EN 13501-3 draft A2.
Laying, sizes and datasheet: TFR-CVVSB
Terms on this page: cable tray