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Belden1243/3C

Product Number: 1243/3C

Communication and Control, 1C #20, Str, Polyethylene(PE), 300 V, CM 75C, CSA CMG, CSA FT4

Communication and Control, 1 Conductor 20 AWG (7/28) TC - Tinned Copper, Polyethylene(PE) Insulation, Overall Aluminum/Polyester Shield, Slate PVC Outer Jacket, CM 75C, CSA CMG, CSA FT4 CMG, FT4 UL FT4; CSA FT4

Availability
Global
Status
Active
Orderable items
1

Ships from and sold by A5 IT.

Part numbers

1243/3C is a product family. Each item number below is a separate orderable part — colour, put-up and length differ.

Item #ColorPutup TypeLengthOrder
1243/3C SL001SlateReel1,000 ftOrder online

Specifications

Product Overview

Suitable ApplicationsIndustrial control systems, raceways, cable trays, and ducts; instrumentation and control circuits; analog and digital signals (4–20 mA, 0–10 V); PLC and DCS systems; sensors, encoders, solenoids, valves, actuators, and positioners.

Construction Details

Overall Cable Diameter (Nominal)0.210 in (5.33 mm)

Conductor

ElementConductor(s)
No. of Elements1
Size20 AWG
Stranding7x28
MaterialTC - Tinned Copper

Insulation

ElementConductor(s)
MaterialPE - Polyethylene
Nom. Thickness0.014 in (0.36 mm)
Nom. Insulation Diameter0.066 in (1.7 mm)
Color CodeBlack

Outer Shield

Shield TypeTape
MaterialBi-Laminate (Alum+Poly)
Coverage100%

Outer Jacket

MaterialPVC - Polyvinyl Chloride
Nom. Thickness0.030 in (0.76 mm)
Nom. Diameter0.210 in (5.33 mm)

Electrical Characteristics

Nom Outer Shield DCR42 Ohm/1000ft (140 Ohm/km)

Electricals

ElementConductor(s)
Nom. Capacitance Cond-to-Cond24.3 pF/ft (79.7 pF/m)
Nom. Capacitance Cond-to-Other (Conds + Shield)43 pF/ft (140 pF/m)
Nom. Characteristic Impedence63 Ohm
Nom. Inductance0.18 μH/ft (0.59 μH/m)

Voltage

UL Voltage Rating300 V (CM, CMG)

Mechanical Characteristics

Max. Pull Tension161 lbs (73.0 kg)

Temperature

UL Temperature75°C
Operating-20°C To +75°C

Bend Radius

Stationary Min.2.1 in (53 mm)

Standards and Compliance

Environmental SuitabilityIndoor
SustainabilityCA Prop 65
Flammability / Reaction to FireUL1685 FT4 Loading, FT4
NEC / UL ComplianceArticle 800, CMG, CM
CEC / C(UL) ComplianceCMG.
European Directive ComplianceEU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)
UK Regulation ComplianceUKCA Mark
APAC ComplianceChina RoHS II (GB/T 26572-2011)

Product Notes

NotesAlpha Wire -* P/N 1243/3C 1C 20 AWG SHIELDED 75C (UL) TYPE CM --- LLXXXXXX CSA TYPE CMG FT4 CE ROHS

History

Update and RevisionRevision Number: 0.118 Revision Date: 06-30-2026

Resources

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