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RS485/RS232 Industrial Cable Series | 28AWG 2–25 Pairs | Foil+Braid Shield 120Ω

  • RS-485

  • hellosignal

  • Control Cables

  • UL, ETL, CE, CPR, RoHS

  • roll, wooden spool, carton, pallet

  • Normally 25 working days

Availability:

RS485/RS232 Industrial Communication Cable Series

28AWG • 2–25 Pairs • Foil + Braid Shield • PVC Jacket • 120Ω

High-EMI Resistant Multi-Pair Data Cables for Industrial Automation & Serial Communication

Available Models:
73102 (2PR) · 73103 (3PR) · 73104 (4PR) · 73105 (5PR) · 73106 (8PR) · 73112 (12.5PR) · 73118 (18PR) · 73125 (25PR)

ZION COMMUNICATION’s RS485/RS232 Foil+Braid Shield Series is engineered for industrial-grade data transmission, offering excellent EMI/RFI protection, low signal loss, and high reliability in harsh electrical environments.
Using 28AWG stranded tinned copper conductors, Foam PE insulation, and double shielding (Aluminum Foil + Tinned Copper Braid), this series delivers 120Ω impedance, low capacitance, and stable differential signaling for RS485/RS422/RS232 communication systems.

Key Features

  • Double Shielded Structure:
    Aluminum Foil (100% coverage) + Tinned Copper Braid → superior EMI resistance, ideal for heavy industrial sites.

  • 28AWG stranded tinned copper conductors ensure flexibility and strong signal integrity.

  • Foam PE insulation provides low capacitance for long-distance, high-speed communication.

  • 120Ω characteristic impedance optimized for RS485/RS422/RS232 protocols.

  • Excellent crosstalk suppression for multi-pair high-density installations.

  • Durable PVC jacket, flame-retardant and suitable for indoor industrial environments.

  • Wide model range: 2–25 pairs for flexible system design.

  • Operating temperature: –20°C ~ +60°C.

  • Ideal for environments with motors, VFDs, inverters, relays, and switching power supplies.

Typical Applications

  • RS485 / RS232 serial data transmission

  • PLC & DCS communication networks

  • Industrial automation and motion control

  • Factory instrumentation and monitoring systems

  • BMS / HVAC / Smart Building communication

  • Access control, security, alarm systems

  • Long-distance multi-pair control/monitoring cables

  • EMI-sensitive or electrically noisy industrial environments

Cable Construction

ComponentDescription
Conductor28AWG (7/0.127 mm) stranded tinned copper
Pair StructureTwisted pairs with color-coded insulation
InsulationFoam Polyethylene (FPE), low dielectric constant
Shield #1Overall aluminum/polyester foil, 100% coverage
Shield #2Tinned copper braid shield (typical 65–80% coverage)
Drain Wire28AWG stranded tinned copper
JacketFlame-retardant PVC, round
ColorStandard Gray (custom colors optional)
RipcordIncluded for easy stripping

Electrical Characteristics (Typical)

PropertyValue
Characteristic Impedance120 Ω
Conductor DC Resistance~73.5 Ω/1000 ft (241 Ω/km) @ 20°C
Capacitance (Cond–Cond)~12 pF/ft (40 pF/m)*
Capacitance (Cond–Shield)~20–25 pF/ft (65–82 pF/m)*
Velocity of Propagation~0.78 c
Voltage Rating150 V (CL2), 30 V (UL AWM 2919)
Max. Current0.9 A per conductor @ 30°C

* Capacitance varies slightly depending on pair count.

Mechanical & Environmental

PropertyTypical Value
Operating Temperature–20°C to +60°C
Bend Radius (Installation)≥ 10 × cable O.D.
Bend Radius (Static)≥ 10 × cable O.D.
Environmental SuitabilityIndoor / Dry / Damp Locations
Application RoutingTrays, conduits, raceways, control cabinets

Model Selection (2–25 Pairs Series)

All models use identical materials and electrical design; outer diameter increases with pair count.

SKUPairsConductorsShieldingNominal O.D.Typical Use Case
731022PR4 conductorsFoil + Braid(from XLS)Short point-to-point RS485 links
731033PR6 conductorsFoil + Braid(from XLS)Multi-drop RS485 bus (3-channel)
731044PR8 conductorsFoil + Braid(from XLS)PLC small control systems
731055PR10 conductorsFoil + Braid(from XLS)Medium BMS/HVAC wiring
731068PR16 conductorsFoil + Braid(from XLS)High-density RS485/RS422 networks
7311212.5PR25 conductorsFoil + Braid(from XLS)Industrial control cabinets
7311818PR36 conductorsFoil + Braid(from XLS)Multi-signal instrumentation
7312525PR50 conductorsFoil + Braid(from XLS)Large monitoring, I/O-intensive systems

Standards & Compliance


Standard / RegulationDetails
UL AWM Style2919
CL2 RatingClass 2 Circuit Rated
RoHSRoHS 2 (2011/65/EU) Compliant
CE MarkingLow Voltage Directive
Flame PerformanceUL VW-1 or equivalent





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