Belden Store
1245A2

Product Number: 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

Availability
Global
Status
Discontinued
Orderable items
1

Ships from and sold by A5 IT.

Part numbers

1245A2 is a product family. Each item number below is a separate orderable part — colour, put-up and length differ.

Item #ColorPutup TypeLengthUPCOrder
1245A2 009U1000WhiteUnReel1,000 ft612825109761Order online

Specifications

Product Overview

Suitable Applications802.3 10BaseT, 100BaseT4

Product Life Cycle

Life CycleDiscontinued - the product is no longer manufactured
Discontinuation Announcement Date2000-05-02

Construction Details

Conductor

Size24
StrandingSolid
MaterialBC - Bare Copper
No. of Pairs4

Insulation

MaterialPVC - Polyvinyl Chloride
Color CodeWhite/Blue Stripe & Blue, White/Orange Stripe & Orange, White/Green Stripe & Green, White/Brown Stripe & Brown

Outer Jacket

MaterialPVC - Polyvinyl Chloride
Material Trade NameFlamarrest®
Nom. Diameter0.157 in (3.99 mm)
RipcordNo

Electrical Characteristics

Electricals

Max. Conductor DCR93.8 Ohm/km (28.6 Ohm/1000ft)
Max. Capacitance Unbalance330 pF/100m

Delay

Frequency100 MHz
Max. Delay537.6 ns/100m
Max. Delay Skew45 ns/100m
Nom. Velocity of Prop.61%

High Frequency

Frequency [MHz]Max. Insertion Loss (Attenuation) [dB/100m]Min. NEXT [dB]Min. SRL (Structural Return Loss) [dB]Max./Min. Fitted Impedance
12.641.012.0100 ± 15 Ohm
45.632.012.0100 ± 15 Ohm
88.527.012.0100 ± 15 Ohm
109.726.012.0100 ± 15 Ohm
1613.123.010.0100 ± 15 Ohm

Voltage

UL Voltage Rating300 V RMS

Mechanical Characteristics

Max. Pull Tension25 lbs (11 kg)
Bulk Cable Weight18 lbs/1000ft (27 kg/km)

Temperature

UL Temperature60°C
Operating-20°C To +60°C
Installation0°C To +50°C
Storage-20°C To +60°C

Bend Radius

Stationary Min.2.25 in (57.2 mm)
Installation Min.4.75 in (121 mm)

Standards and Compliance

Environmental SuitabilityPlenum, Indoor
Flammability / Reaction to FireNFPA 262 Plenum (UL 910)
NEC / UL ComplianceCMP
CEC / C(UL) ComplianceCMP.
Data CategoryCategory 3
TIA/EIA ComplianceANSI/TIA-568-C.2 Category 3
Third Party Performance VerificationCategory 3
European Directive ComplianceEU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE), REACH: 2017-07-10
APAC ComplianceChina RoHS II (GB/T 26572-2011)
Non-Plenum Number1229A1

Product Notes

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

History

Update and RevisionRevision Number: 0.659 Revision Date: 07-30-2026

Resources

Related category 3 cable