Product Hierarchy
Product Hierarchy

1330A - ISA/SP-50 FOUNDATION Fieldbus or PROFIBUS, (12 pr) 18 AWG (7x26) TC, PO/PVC, IS/OS, CMG, CMX, PLTC-ER

1330A-ISA/SP-50 FOUNDATION Fieldbus

Twelve 18 AWG pairs stranded (7x26) tinned copper conductors, polyolefin insulation, individual plus overall Beldfoil® shield (100% coverage), oil-resistant PVC jacket.

Physical Characteristics (Overall)

AWGStrandingMaterialNominal DiameterNo. of Pairs
187x26TC - Tinned Copper0.048 in12
Conductor Count: 24
AWG Size: 18
PO - Polyolefin
Color Chart
1Blue & Orange Numbered 1
2Blue & Orange Numbered 2
3Blue & Orange Numbered 3
4Blue & Orange Numbered 4
5Blue & Orange Numbered 5
6Blue & Orange Numbered 6
7Blue & Orange Numbered 7
8Blue & Orange Numbered 8
9Blue & Orange Numbered 9
10Blue & Orange Numbered 10
11Blue & Orange Numbered 11
12Blue & Orange Numbered 12
Inner Shield Material
TypeMaterialMaterial Trade NameCoverage [%]Drainwire AWGDrainwire Construction n x D
TapeAluminum Foil-Polyester TapeBeldfoil®100 %207x28 mm
TC - Tinned Copper
Outer Shield Material
TypeMaterialMaterial Trade NameCoverage [%]Drainwire MaterialDrainwire AWGDrainwire Construction n x D
TapeAluminum Foil-Polyester TapeBeldfoil®100 %TC - Tinned Copper187x26 mm
Outer Jacket Material
MaterialNominal DiameterRipcord
PVC - Polyvinyl Chloride0.81 inYes

Construction and Dimensions

Lay LengthTwists
2 in6 twist/ft

Electrical Characteristics

Conductor DCR
Individual Pair Nominal Shield DCRNominal Conductor DCRNominal Outer Shield DCR
7.5 Ohm/1000ft5.86 Ohm/1000ft4.9 Ohm/1000ft
Max. Capacitance UnbalanceNom. Capacitance Conductor to ShieldNom.Mutual Capacitance
1.2 pF/ft45 pF/ft24 pF/ft
Nominal Inductance
0.19 µH/ft
Nominal Characteristic Impedance
100 Ohm
High Frequency (Nominal/Typical)
Nom. Insertion Loss
0.08 dB/100ft
Nominal Velocity of Propagation (VP) [%]
66 %
High Freq
Frequency [MHz]Max. Insertion Loss (Attenuation)Max./Min. Input Impedance (unFitted)
0.031 MHz0.091 dB/100ft100 Ohm
ElementMax. Recommended Current [A]
Per Conductor5.2 Amps
UL Voltage Rating
300V RMS
Electrical Characteristics Notes: Max Propagation Delay Change From 7.812 kHz to 39.06 kHz: 518 pS/ft
Other Electrical Characteristic 2: 31.25 KBits/sec

Temperature Range

UL Temp Rating: 105°C
Operating Temp Range: -40°C To +105°C

Mechanical Characteristics

Oil Resistance: Yes
UV Resistance: Yes
Max Recommended Pulling Tension: 688 lbs
Min Bend Radius/Minor Axis: 8.1 in


NEC/(UL) Specification: CMG, CMX-Outdoor, ITC, PLTC-ER
CEC/C(UL) Specification: CMG

Applicable Environmental and Other Programs

EU Directive 2000/53/EC (ELV): Yes
EU Directive 2011/65/EU (ROHS II): Yes
EU Directive 2012/19/EU (WEEE): Yes
EU Directive 2015/863/EU: Yes
EU Directive Compliance: EU Directive 2003/11/EC (BFR)
EU CE Mark: Yes
EU RoHS Compliance Date (yyyy-mm-dd): 2004-01-01
CA Prop 65 (CJ for Wire & Cable): Yes
MII Order #39 (China RoHS): Yes


Suitability - Burial: Yes - UL
Suitability - Indoor: Yes
Suitability - Oil Resistance: Yes
Suitability - Outdoor: Yes
Suitability - Sunlight Resistance: Yes

Flammability, LS0H, Toxicity Testing

UL Flammability: UL1685 FT4 Loading
ISO/IEC Flammability: 60332-3-24 (Category C)
IEEE Flammability: 1202

Part Number

Plenum (Y/N): No
Item #ColorFootnote
1330A 0031000ORANGEC
Footnote: C - CRATE REEL PUT-UP.
Date: 2004-01-01
Cabling Solutions for Industrial Applications
Fieldbus Cables Type A