Product Hierarchy
Product Hierarchy

7812ENH - Cat 6 Cable, U/UTP, LSZH, 4 Pair bonded, AWG 23, Indoor CPR Eca

Cat. 6 (250MHz), 4-Pair, U/UTP Unshielded, Premise Horizontal Cable, 23 AWG solid bare copper conductors, Polyethylene insulation, LSZH jacket

Product Overview

Suitable Applications: Horizontal and building backbone cable; Support current and future Category 6 and 5e applications, such as: 1000Base - T (Gigabit Ethernet), 100 Base - T, 10 Base - T, FDDI, ATM

Physical Characteristics (Overall)

AWGStrandingMaterialNo. of Pairs
23SolidBC - Bare Copper4
Conductor Count: 8
Total Number of Pairs: 4
TypeMaterialNominal Diameter
DielectricPO - Polyolefin1.1 mm
Bonded-Pair: Yes
Color Chart
Pair 1White/Blue & Blue
Pair 2White/Green & Green
Pair 3White/Orange & Orange
Pair 4White/Brown & Brown
Outer Jacket Material
MaterialNominal DiameterDiameter +/- Tolerance
LSZH - Low Smoke Zero Halogen (Flame Retardant)6.1 mm0.3 mm

Construction and Dimensions

Min Elongation at Breakof Conductors: 10 %
Min Elongation at Breakof Insulation: 100 %
Min Elongation at Breakof Jacket: 100 %
Min Tensile Strength of Jacket: 9 MPa

Electrical Characteristics

Conductor DCR
Max. Conductor DCRMax DCR Unbalanced Between Pairs [%]Max. DCR Unbalanced Within Pair [%]
95 Ohm/km4 %2 %
Max. Capacitance UnbalanceMax. Mutual Capacitance
1,600 pF/m56 pF/m
Nominal Characteristic Impedance
100 Ohm
Max. Delay SkewMin. Velocity of Propagation
40 ns/100m60%
High Freq
Frequency [MHz]Max. Insertion Loss (Attenuation)Min. NEXT [dB]Min. PSNEXT [dB]Min. ACR [dB]Min. PSACR [dB]Min. ACRF (ELFEXT) [dB]Min. PSACRF (PSELFEXT) [dB]Min. RL (Return Loss) [dB]Min. TCL [dB]Min. ELTCTL [dB]
1 MHz2.1 dB/100m75.3 dB72.3 dB73.2 dB70.2 dB70 dB67 dB20 dB50 dB35 dB
4 MHz3.8 dB/100m66.3 dB63.3 dB62.4 dB59.4 dB58 dB55 dB23 dB44 dB23 dB
10 MHz6 dB/100m60.3 dB57.3 dB54.3 dB51.3 dB50 dB47 dB25 dB40 dB15 dB
16 MHz7.6 dB/100m57.2 dB54.2 dB49.6 dB46.6 dB45.9 dB42.9 dB25 dB38 dB10.9 dB
20 MHz8.5 dB/100m55.8 dB52.8 dB47.3 dB44.3 dB44 dB41 dB25 dB37 dB9 dB
31.2 MHz10.7 dB/100m52.9 dB49.9 dB42.1 dB39.1 dB40.1 dB37.1 dB23.6 dB35.1 dB5.1 dB
62.5 MHz15.5 dB/100m48.4 dB45.4 dB32.9 dB29.9 dB34.1 dB31.1 dB21.5 dB32 dB
100 MHz19.9 dB/100m45.3 dB42.3 dB25.4 dB22.4 dB30 dB27 dB20.1 dB30 dB
155 MHz25.3 dB/100m42.4 dB39.4 dB17.1 dB14.1 dB26.2 dB23.2 dB18.8 dB28.1 dB
200 MHz29.1 dB/100m40.8 dB37.8 dB11.6 dB8.6 dB24 dB21 dB18 dB27 dB
250 MHz33 dB/100m39.3 dB36.3 dB6.3 dB3.3 dB22 dB19 dB17.3 dB26 dB
Table Notes: Limits below 4 MHz are for information only. Reference standard: IEC 61156-5
General Electrical Parameters Notes: Reference standard: ISO/IEC 61156-5
Segregation class according EN50174-2: b
Max. Recommended Current [A]
1.5 Amps per Conductor
Voltage Rating [V]
72 V

Temperature Range

Installation Temp Range: 0°C To +50°C
Operating Temp Range: -30°C To +60°C

Mechanical Characteristics

Bulk Cable Weight: 41 kg/km
Max. Pull Tension: 80 N
Min Bend Radius During Installation: 52 mm
Min Bend Radius During Operation: 26 mm


IEC Compliance: ISO/IEC 11801-1
CPR Euroclass: Eca
CENELEC Compliance: EN 50173-1
Data Category: Category 6
ANSI Compliance: ANSI/TIA 568.2-D (2018)
IEEE Compliance: PoE: IEEE 802.3bt Type 1, Type 2, Type 3, Type 4

Applicable Environmental and Other Programs

Environmental Space: Indoor - Euroclass Eca
EU RoHS Compliance Date (yyyy-mm-dd): 2004-01-01

Flammability, LS0H, Toxicity Testing

IEC Flammability: IEC 60332-1-2
Burning Load: 565 kJ/m
IEC 60754-1 (EN50267-1)- Halogen Amount: Zero
IEC 60754-2 (EN50267-2)- Halogen Acid Gas Amount - Max. Conductivity: 2.5 µS/mm
IEC 60754-2 (EN50267-2)- Halogen Acid Gas Amount - Min. pH: 4.3
IEC 61034-2 (EN 61034-2) (VDE 0482-1034) - Smoke Density Min. Transmittance: IEC 61034-2

Part Number

Item #ColorPutup TypeLengthEAN
7812ENH.01B100BlueFlat Box100 m8719605016324
7812ENH.01305BlueReel305 m8719605016300
7812ENH.01U305BlueUnReel305 m8719605016331
7812ENH.01500BlueReel500 m8719605016317
7812ENH.00U305GrayUnReel305 m8719605016294
7812ENH.00500GrayReel500 m8719605016287
7812ENH.001000GrayReel1,000 m8719605016270
7812ENH.02305WhiteReel305 m8719605180735

Product Notes

Notes: Electrical values are expected performance based on cable testing and representative performance within a typical Belden system.


Update and Revision: Revision Number: 0.224 Revision Date: 09-30-2020
Date: 2004-01-01
No accessories are available for this product