Product Hierarchy
Product Hierarchy

1245A2 - CAT3 Horizontal, 4pr, UTP, LS-PVC Jkt, CMP




CAT3, 4-Pair, U/UTP-unshielded, Plenum-CMP, Premise Horizontal cable, 24 AWG solid bare copper conductors, LS-PVC insulation, LS-PVC jacket

Product Overview

Suitable Applications: 802.3 10BaseT, 100BaseT4

Physical Characteristics (Overall)

Conductor
AWGStrandingMaterialNo. of Pairs
24SolidBC - Bare Copper4
Conductor Count: 8
Total Number of Pairs: 4
Insulation
Material
PVC - Polyvinyl Chloride
Bonded-Pair: N/A
Color Chart
NumberColor
1White/Blue Stripe & Blue
2White/Orange Stripe & Orange
3White/Green Stripe & Green
4White/Brown Stripe & Brown
Outer Jacket
MaterialMaterial Trade NameNominal DiameterRipcord
PVC - Polyvinyl ChlorideFlamarrest®0.157 inNo

Electrical Characteristics

Conductor DCR
Max. Conductor DCRMax. DCR Unbalance
93.8 Ohm/km5 %
Capacitance
Max. Capacitance UnbalanceNom.Mutual Capacitance
330 pF/100m19 pF/ft
Delay
Frequency [MHz]Max. DelayMax. Delay SkewNominal DelayNominal Velocity of Propagation (VP) [%]
100 MHz537.6 ns/100m45 ns/100m1.5 ns/ft61%
High Frequency
Frequency [MHz]Max. Insertion Loss (Attenuation)Min. NEXT [dB]Min. SRL (Structural Return Loss)Max./Min. Fitted Impedance
1 MHz2.6 dB/100m41.0 dB12.0 dB100 ± 15 Ohm
4 MHz5.6 dB/100m32.0 dB12.0 dB100 ± 15 Ohm
8 MHz8.5 dB/100m27.0 dB12.0 dB100 ± 15 Ohm
10 MHz9.7 dB/100m26.0 dB12.0 dB100 ± 15 Ohm
16 MHz13.1 dB/100m23.0 dB10.0 dB100 ± 15 Ohm
Voltage
UL Voltage Rating
300 V RMS

Temperature Range

Installation Temperature Range: 0°C To +50°C
UL Temp Rating: 60°C
Storage Temperature Range: -20°C To +60°C
Operating Temperature Range: -20°C To +60°C

Mechanical Characteristics

Bulk Cable Weight: 18 lbs/1000ft
Max. Pull Tension: 25 lbs
Min. Bend Radius During Installation: 4.75 in
Min. Bend Radius/Minor Axis: 2.25 in

Standards

NEC/(UL) Compliance: CMP
CEC/C(UL) Compliance: CMP
Data Category: Category 3
ANSI Compliance: S-90-661-2012 Category 3, ANSI/NEMA WC-63.1 Category 3
TIA/EIA Compliance: ANSI/TIA-568-C.2 Category 3
Third Party Performance Verification: Category 3

Applicable Environmental and Other Programs

Environmental Space: Plenum
EU Directive 2000/53/EC (ELV): Yes
EU Directive 2002/96/EC (WEEE): Yes
EU Directive 2003/11/EC (BFR): Yes
EU Directive 2003/96/EC (BFR): Yes
EU Directive 2011/65/EU (RoHS 2): Yes
EU Directive 2012/19/EU (WEEE): Yes
EU Directive 2015/863/EU (RoHS 2 amendment): Yes
EU Directive Compliance: Yes
EU CE Mark: Yes
EU REACH SVHC Compliance (yyyy-mm-dd): 2017-07-10
MII Order #39 (China RoHS): Yes

Suitability

Suitability - Aerial: No
Suitability - Burial: No
Suitability - Hazardous Locations: No
Suitability - Indoor: Yes
Suitability - Non-Halogenated: No
Suitability - Oil Resistance: No
Suitability - Outdoor: No
Suitability - Sunlight Resistance: No

Flammability, LS0H, Toxicity Testing

UL Flammability: NFPA 262 Plenum (UL 910)
UL voltage rating: 300 V RMS

Plenum/Non-Plenum

Plenum (Y/N): Yes

Related Part Numbers

Non-Plenum Number: 1229A1
Variants
Item #ColorPut-Up TypeLengthUPC
1245A2 009U1000WhiteUnReel1,000 ft612825109761

Product Notes

Notes: Electrical values are expected performance based on cable testing and representative performance within a typical Belden system. Print Includes Descending Footage Markings.

History

Update and Revision: Revision Number: 0.437 Revision Date: 02-03-2025
Date: 2007-06-01
Belden-Copper-Catalog-2016.pdf
Copper-Structured-Cabling-Design-Guide.pdf
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