Belden127940A

Product Number: 127940A

DataTuff® 6, 4 Bonded-Pr #23 Sol BC, PO Ins, PVC Jkt, AIA Armor, Blk PVC Jkt, 300V CM CSA CMG HL SUN RES -40C

Industrial Ethernet Cat 6, 4 Bonded-Pair 23AWG (Solid) Bare Copper, PO Insulation, PVC Inner Jacket, Aluminum Interlock Armor, Black PVC Outer Jacket, CMR CSA CMG HL SUN RES -40C

Availability: Global
Status: Active

Ships from and sold by A5 IT.

Specifications

Product Overview

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

Construction Details

Bonded-Pair	Yes
Overall Cable Diameter (Nominal)	0.595 in (15.1 mm)

Conductor

Element	Pair(s)
Size	23 AWG
Stranding	Solid
Material	BC - Bare Copper

Insulation

Material	PO - Polyolefin
Nom. Insulation Diameter	0.043 in (1.1 mm)
Color Code	White/Blue Stripe & Blue, White/Orange Stripe & Orange, White/Green Stripe & Green, White/Brown Stripe & Brown

Inner Jacket

Material	PVC - Polyvinyl Chloride
Nom. Diameter	0.240 in (6.10 mm)
Ripcord	Yes

Armor

Armor Type & Material	AIA - Aluminum Interlock Armor
Armor Thickness	0.025 in (0.64 mm)
Diameter Over Armor	0.495 in (12.6 mm)

Outer Jacket

Separator	Dielectric Tape (Patented)
Material	PVC - Polyvinyl Chloride
Nom. Diameter	0.595 in (15.1 mm)

Electrical Characteristics

Electricals

Max. Conductor DCR	82 Ohm/km (25 Ohm/1000ft)
Max. Capacitance Unbalance	330 pF/ft

Delay

Max. Delay	537 ns/100m
Max. Delay Skew	45 ns/100m
Nom. Velocity of Prop.	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) [Ohm]	Max./Min. Fitted Impedance [Ohm]
1	2.0 dB/100m	74.3	72.3	72.3	70.3	67.8	64.8	21	100 ± 15	100 ± 15
4	3.8 dB/100m	65.3	63.3	61.5	59.5	55.8	52.7	24	100 ± 15	100 ± 15
8	5.3 dB/100m	60.8	58.8	55.4	53.4	49.7	46.7	25.5	100 ± 15	100 ± 15
10	6 dB/100m	59.3	57.3	53.3	51.3	47.8	44.8	26	100 ± 15	100 ± 15
16	7.6 dB/100m	56.2	54.3	48.7	46.7	43.7	40.7	26	100 ± 15	100 ± 15
20	8.5 dB/100m	54.8	52.8	46.3	44.3	41.8	38.8	26	100 ± 15	100 ± 15
25	9.5 dB/100m	53.3	51.3	43.8	41.8	39.8	36.8	25.3	100 ± 15	100 ± 15
31.25	10.7 dB/100m	51.9	49.9	41.2	39.2	37.9	34.9	24.6	100 ± 15	100 ± 15
62.5	15.4 dB/100m	47.4	45.4	32	30	31.9	28.9	22.5	100 ± 15	100 ± 15
100	19.8 dB/100m	44.3	42.3	24.5	22.5	27.8	24.8	21.1	100 ± 15
155	25.2 dB/100m	41.5	39.5	16.3	14.3	23.9	20.9	19.8	100 ± 22	100 ± 15
200	29.0 dB/100m	39.8	37.8	10.8	8.8	21.8	18.8	19	100 ± 22	100 ± 15
250	32.8 dB/100m	38.3	36.3	5.5	3.5	19.8	16.8	18.3	100 ± 32	100 ± 15

Voltage

UL Voltage Rating	300 V RMS (CM)

Mechanical Characteristics

Max. Pull Tension	100 lbs (45 kg)
Bulk Cable Weight	133 lbs/1000ft

Temperature

UL Temperature	75°C
Operating	-40°C To +75°C
Storage	-40°C To +85°C

Bend Radius

Stationary Min.	3.6 in (91 mm)

Standards and Compliance

Environmental Suitability	Indoor, Outdoor, Sunlight Resistance, Oil Resistance, Aerial
Sustainability	CA Prop 65
Flammability / Reaction to Fire	UL 1685 (UL Loading), FT4
NEC / UL Compliance	Article 800, CM
CEC / C(UL) Compliance	CMG, HL, CSA CMG, HL, -40C.
Data Category	Category 6
TIA/EIA Compliance	ANSI/TIA-568.2-D Category 6
ISO/IEC Compliance	ISO/IEC 11801 Cat 6
European Directive Compliance	EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), REACH, EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE), REACH: 2020-01-16
UK Regulation Compliance	UKCA Mark
APAC Compliance	China RoHS II (GB/T 26572-2011)

Product Notes

Notes	Jacket sequentially marked at 2 ft. intervals.

History

Update and Revision	Revision Number: 0.59 Revision Date: 02-26-2026

Resources

Belden 127940A technical datasheet Belden Industrial Ethernet Cable Brochure Industrial Wire & Cable Solutions Belden Industrial Ethernet Cable Selector Belden Color-Coded Cable Ratings Sensor to Cloud Date: 2005-04-01

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