2126A

Fieldbus, 50 Pr #18 Str TC, XLPO Ins, IS/OS, TPE Jkt, 600V TC-ER

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Fieldbus, 50 Pair 18AWG (7x26) Tinned Copper, XLPO Insulation, Individual & Overall Beldfoil® Shield, Orange TPE Outer Jacket, 600V TC-ER
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Product Overview

Suitable Applications

harsh environment digital and serial two-way communication, oil and gas extraction and refining sites, petrochemical, Profibus process automation or Foundation FieldBus process automation, extreme temperature environments, exposure to humidity/moisture, dust, and oil, remote locations long distance applications, etc.

Physical Characteristics (Overall)
Conductor
Element AWG Stranding Material No. of Pairs
Pair(s) 18 7x26 TC - Tinned Copper 50

Conductor Count

100

Total Number of Pairs

24

Insulation
Material Nominal Wall Thickness
XLPE - Cross-Linked Polyethylene (Thermoset) 0.032 in
Color Chart
Number Color
1 Blue, Orange and Numbered
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
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26
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50
Inner Shield
Type Material Material Trade Name Coverage [%] Drainwire Material Drainwire AWG
Tape Bi-Laminate (Alum+Poly) Beldfoil® 100% TC - Tinned Copper 20
Outer Shield
Type Material Material Trade Name Coverage [%] Drainwire Material Drainwire AWG
Tape Bi-Laminate (Alum+Poly) Beldfoil® 100% TC - Tinned Copper 18
Outer Jacket
Material Nominal Diameter Nominal Wall Thickness
TPE - Thermoplastic Elastomer 1.947 in 0.12 in
Electrical Characteristics
Conductor DCR
Nominal Conductor DCR
5.86 Ohm/1000ft
Capacitance
Nom. Capacitance Conductor to Conductor
22 pF/ft
Inductance
Nominal Inductance
0.22 µH/ft
Impedance
Nominal Characteristic Impedance
100 Ohm
High Frequency (Nominal/Typical)
Frequency [MHz] Nom. Insertion Loss
0.039 MHz 0.08 dB/100ft
Delay
Nominal Velocity of Propagation (VP) [%]
64%
Current
Max. Recommended Current [A]
5.4 Amps per Conductor
Voltage
UL Voltage Rating
600 V

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

90°C

Operating Temperature Range

-40°C to 90°C

Mechanical Characteristics

Oil Resistance

Yes

Bulk Cable Weight

1782 lbs/1000ft

Max. Pull Tension

2892 lbs

Min. Bend Radius/Minor Axis

19.5 in
Standards

NEC Articles

Article 336

NEC/(UL) Compliance

TC-ER

CSA AWM Compliance

AWM I A/B II A/B

ISO/IEC Compliance

IEC 61158-2

Other Standards

ISA/SP-50 Type A
Applicable Environmental and Other Programs

EU Directive 2000/53/EC (ELV)

Yes

EU Directive 2003/11/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

EU Directive 2003/11/EC (BFR)

EU CE Mark

Yes

Suitability

Suitability - Burial

Yes

Suitability - Indoor

Yes

Suitability - Outdoor

Yes

Suitability - Sunlight Resistance

Yes

Flammability, LS0H, Toxicity Testing

UL Flammability

UL1581 Vertical Tray

IEC Flammability

IEC 60332-3-24

UL voltage rating

600 V RMS

Plenum/Non-Plenum

Plenum (Y/N)

No

History

Update and Revision

Revision Number: 0.155 Revision Date: 05-05-2023

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Part Numbers
Item # Color Put-Up Type Length UPC
2126A 0061000 Blue, Light Reel 1,000 ft 612825129905
2126A 0031000 Orange Reel 1,000 ft 612825129899

Resources
Product Bulletins
Belden FOUNDATION Fieldbus Cable
Product Guides
Color-Coded Cable Cross-Reference