Belden127931A

Product Number: 127931A

DataTuff® 6, 4 Pr #23 Sol BC, FEP Ins, FEP Jkt, AIA Armor, PVC Jkt

Industrial Ethernet Cat 6, 4 Pair 23AWG (Solid) Bare Copper, FEP Insulation, FEP Inner Jacket, Aluminum Interlock Armor, PVC Outer Jacket

Availability: Global
Status: Active

Ships from and sold by A5 IT.

Specifications

Product Overview

Suitable Applications	extreme temp, exposure to oil and gasoline, harsh environment, IIoT, factory or process automation, IP cameras and devices, data communication, etc. exposure to rodent, crush, or cut through force,

Physical Characteristics (Overall)

Bonded-Pair Construction	Yes

Conductor

Element	Pair(s)
AWG	23
Stranding	Solid
Material	BC - Bare Copper
No. of Pairs	4

Insulation

Material	FEP - Fluorinated Ethylene Propylene

Color Chart

Color
White/Blue Stripe & Blue
White/Orange Stripe & Orange
White/Green Stripe & Green
White/Brown Stripe & Brown

Inner Jacket

Material	FEP - Fluorinated Ethylene Propylene
Nominal Diameter	0.210 in
Ripcord	Yes

Outer Jacket

Material	FEP - Fluorinated Ethylene Propylene
Nominal Diameter	0.545 in
Ripcord	No
Separator Material	Polyester Tape

Construction and Dimensions

Armor

Diameter over Armoring	0.445 in

Electrical Characteristics

Conductor DCR

Max. Conductor DCR	93.8 Ohm/km

Capacitance

Max. Capacitance Unbalance	330 pF/100m

Delay

Max. Delay	537 ns/100m
Max. Delay Skew	45 ns/100m
Nominal Velocity of Propagation (VP) [%]	72%

High Frequency

Frequency [MHz]	Max. Insertion Loss (Attenuation)	Min. NEXT [dB]	Min. PSNEXT [dB]	Min. ACR [dB]	Min. PSACR [dB]	Min. ACRF (ELFEXT) [dB]	Min. PSACRF (PSELFEXT) [dB]	Min. RL (Return Loss) [dB]	Max./Min. Input Impedance (unFitted)	Max./Min. Fitted Impedance
1 MHz	2.0 dB/100m	74.3 dB	72.3 dB	72.3 dB	70.3 dB	67.8 dB	64.8 dB	20 dB	100 ± 15 Ohm	100 ± 15 Ohm
4 MHz	3.8 dB/100m	65.3 dB	63.3 dB	61.5 dB	59.5 dB	55.8 dB	52.7 dB	23 dB	100 ± 15 Ohm	100 ± 15 Ohm
8 MHz	5.3 dB/100m	60.8 dB	58.8 dB	55.4 dB	53.4 dB	49.7 dB	46.7 dB	24.5 dB	100 ± 15 Ohm	100 ± 15 Ohm
10 MHz	6 dB/100m	59.3 dB	57.3 dB	53.3 dB	51.3 dB	47.8 dB	44.8 dB	25 dB	100 ± 15 Ohm	100 ± 15 Ohm
16 MHz	7.6 dB/100m	56.2 dB	54.3 dB	48.7 dB	46.7 dB	43.7 dB	40.7 dB	25 dB	100 ± 15 Ohm	100 ± 15 Ohm
20 MHz	8.5 dB/100m	54.8 dB	52.8 dB	46.3 dB	44.3 dB	41.8 dB	38.7 dB	25 dB	100 ± 15 Ohm	100 ± 15 Ohm
25 MHz	9.5 dB/100m	53.3 dB	51.3 dB	43.8 dB	41.8 dB	39.8 dB	36.8 dB	24.3 dB	100 ± 15 Ohm	100 ± 15 Ohm
31.25 MHz	10.7 dB/100m	51.9 dB	49.9 dB	41.2 dB	39.2 dB	37.9 dB	34.9 dB	23.6 dB	100 ± 15 Ohm	100 ± 15 Ohm
62.5 MHz	15.4 dB/100m	47.4 dB	45.4 dB	32 dB	30 dB	31.9 dB	28.8 dB	21.5 dB	100 ± 15 Ohm	100 ± 15 Ohm
100 MHz	19.8 dB/100m	44.3 dB	42.3 dB	24.5 dB	22.5 dB	27.8 dB	24.8 dB	20.1 dB	100 ± 15 Ohm
155 MHz	25.2 dB/100m	41.5 dB	39.5 dB	16.3 dB	14.3 dB	23.9 dB	20.9 dB	18.8 dB	100 ± 22 Ohm
200 MHz	29.0 dB/100m	39.8 dB	37.8 dB	10.8 dB	8.8 dB	21.8 dB	18.7 dB	18 dB	100 ± 22 Ohm
250 MHz	32.8 dB/100m	38.3 dB	36.3 dB	5.5 dB	3.5 dB	19.8 dB	16.8 dB	17.3 dB	100 ± 32 Ohm

Current

Max. Recommended Current [A]	15 pF/ft

Voltage

UL Description	CM
UL Voltage Rating	300 V

Temperature Range

UL Temperature Rating	60°C
Operating Temperature Range	-40°C To +60°C

Mechanical Characteristics

Bulk Cable Weight	123 lbs/1000ft
Maximum Recommended Pulling Tension	100 lbs

Standards

NEC Articles	Article 800
NEC/(UL) Compliance	CM
CEC/C(UL) Compliance	CMG, HL
ISO/IEC Compliance	ISO/IEC 11801 Cat 6
CPR Euroclass	Eca
Data Category	Category 6
TIA/EIA Compliance	ANSI/TIA-568.2-D Category 6

Applicable Environmental and Other Programs

Environmental Space	Indoor/Outdoor
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 CE Mark	Yes
EU REACH SVHC Compliance (yyyy-mm-dd)	2020-01-16
MII Order #39 (China RoHS)	Yes

Suitability

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

Flammability, LS0H, Toxicity Testing

CSA/C(UL) Flammability	FT4
UL Flammability	UL 1685 (UL Loading)

Product Notes

Notes	Operating temperatures are subject to length de-rating

History

Update and Revision	Revision Number: 0.35 Revision Date: 02-20-2026

Resources

Belden 127931A technical datasheet Belden Industrial Ethernet Cable Brochure Industrial Wire & Cable Solutions Belden Industrial Ethernet Cable Selector Belden Color-Coded Cable Ratings Sensor to Cloud

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