Belden 7703NH Specifications

Product Overview

The Belden 7703NH cable is a high-performance option designed for LonWorks, instrumentation, and low-capacitance applications. It provides reliable signal transmission in demanding environments.

Suitable Applications

• LonWorks systems
• Instrumentation
• Low capacitance applications

Construction Details

Conductor

• Size: 22 AWG
• Stranding: Solid
• Material: Bare Copper (BC)

Insulation

• Material: Foam Polyethylene (PE)
• Nominal Insulation Diameter: 1.55 mm (0.0610 in)
• Color Code: White/Blue & Blue/White

Outer Shield

• Shield Type: Tape
• Material: Bi-Laminate (Aluminum + Poly)
• Coverage: 100%
• Drainwire: 24 AWG Solid Tinned Copper (TC)
• Table Notes: Aluminum inside

Outer Jacket

• Material: Low Smoke Zero Halogen (LSZH), Flame Retardant
• Nominal Diameter: 4.6 mm (0.18 in)

Belden 7703NH Electrical Characteristics

Electricals

• Nominal Conductor DCR: 55 Ohm/km
• Nominal Capacitance (Cond-to-Cond): 40 pF/m (12 pF/ft)
• Nominal Capacitance (Cond-to-Shield): 80 pF/m (24 pF/ft)
• Nominal Characteristic Impedance: 100 Ohm
• Max. Current: 2.5 Amps per Conductor

Mechanical Characteristics

Temperature

• Operating Range: -15°C to +80°C

Bend Radius

• Installation Minimum: 80 mm

Max. Pull Tension

• 50 N (11 lbf)

Bulk Cable Weight

• 26.6 kg/km

Standards and Compliance

Environmental Suitability

• Indoor: Euroclass Dca

Flammability / Reaction to Fire

• IEC 60332-1-2
• IEC 60332-3-24

CPR Compliance

• CPR Euroclass: Dca-s1,d1,a1
• CPR UKCA Class: Dca-s1,d1,a1

European Halogen-Free Standards

• IEC 62821-1: Halogen-Free Compliance = Yes
• IEC 60754-1: Halogen Amount = Zero
• IEC 60754-2: Halogen Acid Gas Amount – Min. pH = 4.3

UK Regulation Compliance

• UKCA Mark

Belden 7703NH History

Update and Revision

• Revision Number: 0.438
• Revision Date: 06-28-2024
• Datasheet

Belden 7703NH  Part Numbers

• Item #7703NH.00C100: White, Coil, 100 m, EAN: 8719605013477
• Item #7703NH.00305: White, Reel, 305 m, EAN: 8719605013453
• Item #7703NH.00500: White, Reel, 500 m, EAN: 8719605013460