Description
Belden 3074F C552500 DataTray® 120Ω Twinax, 1 Pr #18 Str TC, PP Ins, OS+TC Brd, PVC Jkt, TC, PLTC, ITC, CMG
RS-485 Twinax 120Ω, 1 Pair 18 AWG (7x26) Tinned Copper, PP Insulation, Overall Beldfoil®+Tinned Copper Braid(55%) Shield, PVC Outer Jacket, TC, PLTC, ITC, CMG
Ordering Details
- Manufacturer Part Number: 3074F C552500
- Color: Blue, Cairo
- Length: 2,500 ft
- Put-Up: Reel
- UPC/EAN: 612825140160
- Manufacturer Footnote: C
Supplied as one 2,500 ft Reel.
Image is for illustration only. Actual cable color and packaging may vary. Refer to the listed color, length, and put-up for this part number.
Product Overview
- Suitable Applications: Harsh environment, IIoT, factory or process automation, video, audio, data communication, etc. RS-485
Construction Details
- Element: Pair(s); No. of Elements: 1; Size: 18 AWG; Stranding: 7x26; Nom. Diameter: 0.046 in; Material: TC - Tinned Copper
- Element: Pair(s); Material: PP - Polypropylene; Nom. Insulation Diameter: 0.164 in (4.17 mm); Color Code: White & Blue; Notes: Flame Retardant
- Layer: 1; Outer Shield Type: Tape; Material: Bi-Laminate (Alum+Poly); Material Trade Name: Beldfoil®; Coverage: 100%; Notes: Foil Out
- Layer: 2; Outer Shield Type: Braid; Material: Tinned Copper (TC); Coverage: 55%
- Material: PVC - Polyvinyl Chloride; Nom. Diameter: 0.460 in (11.7 mm)
- Overall Cable Diameter (Nominal): 0.460 in (11.7 mm)
Electrical Characteristics
- Frequency: 3 MHz; Nom. Attenuation: 0.34 dB/100ft
- Frequency: 10 MHz; Nom. Attenuation: 1.07 dB/100ft
- Frequency: 50 MHz; Nom. Attenuation: 2.39 dB/100ft
- Frequency: 100 MHz; Nom. Attenuation: 3.38 dB/100ft
- Frequency: 200 MHz; Nom. Attenuation: 4.78 dB/100ft
- Frequency: 400 MHz; Nom. Attenuation: 6.76 dB/100ft
- Element: Pair(s); Nom. Conductor DCR: 6.9 Ohm/1000ft; Nom. Outer Shield DCR: 2.83 Ohm/1000ft (9.28 Ohm/km); Nom. Characteristic Impedance: 120 Ohm; Nom. Velocity of Prop.: 65%
- UL Voltage Rating: 600 V (TC), 300 V (CMG, PLTC)
Mechanical Characteristics
- UL Temperature: 75°C Dry, PLTC 75°C Dry/Wet; Operating: -40°C to +75°C
- Stationary Min.: 3.2 in (81 mm); Installation Min.: 2.5 in (64 mm)
- Max. Pull Tension: 93 lbs (42 kg)
- Bulk Cable Weight: 97 lbs/1000ft
Standards and Compliance
- Environmental Suitability: Indoor/Outdoor, Indoor, Outdoor, Sunlight Resistance, UV Resistance, Aerial - When supported by messenger wire
- Sustainability: CA Prop 65
- Flammability / Reaction to Fire: UL1685 UL Loading, FT1FT4
- NEC / UL Compliance: Article 336, Article 725, Article 727, Article 800, CMG, ITC, PLTC, TC
- CEC / C(UL) Compliance: CMG
- European Directive Compliance: EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)
- APAC Compliance: China RoHS II (GB/T 26572-2011)
Product Notes
- Notes: Cable contains rod fillers for better electrical performance. CPE Jacket Optional.
History
- Update and Revision: Revision Number: 0.482 Revision Date: 02-20-2026
- Footnote: C - CRATE REEL PUT-UP., N - FINAL PUT-UP LENGTH MAY VARY -0% TO +10% FROM LENGTH SHOWN.
Resources
- Technical Data Sheet
- RS-485 Cable Product Bulletin
- Continuous Aluminum Armor Capabilities Bulletin
- PLC/DCS Cable Cross Reference Guide
- Belden RS-485 UL-Rated Direct Burial Cable
- Belden EN/IEC rated LSZH Classics/Electronics
- Cabling Solutions for Industrial Applications
- Cables, Wire & Accessories for Industrial Applications
- Reliable Cable Options for Mass Transit Applications
- RS-485 Cable Offering
- plc-dcs-cable-cross-reference-guide.pdf
- RoHS Compliance Declaration