Dahua 305m UTP CAT6 Network Cable High-purity Oxygen-Free Copper DH-PFM920I-6UN-C

Product Description

Overview

• Model: DH-PFM920I-6UN-C

• Type: UTP CAT6 network cable

• Length: 305 m (1,000 ft) per carton

• Designed for: Ethernet and PoE transmission (Power over Ethernet compatibility)

• Warranty: 10-year quality guarantee

Construction & Materials

• Conductor:

  • Material: Oxygen-free copper (OFC), approximately 99.97% purity

  • Diameter: 0.53 mm ± 0.01 mm

• Insulation:

  • Material: HDPE (High-Density Polyethylene)

  • Thickness: Min. 0.21 mm, diameter ~0.95 mm ± 0.1 mm 

  • Color code: Blue/white-blue, orange/white-orange, green/white-green, brown/white-brown 

• Separator: Made of PE, translucent, ~4.5 × 0.4 mm

• Ripcord: Polyester, specified rating 500D 

• Outer Sheath: Customized PVC, thickness ~0.5 mm, outer diameter ~6.0 mm ± 0.3 mm; color: white (can vary by variant) 

Electrical & Transmission Characteristics

• DC Resistance: ≤ 8.7 Ω per 100 m 

• Insulation Resistance: ≥ 5,000 MΩ·km 

• Conductor Resistance Unbalance: Max 2% (within pairs), 4% (between pairs) 

• Dielectric Strength: Withstands 1 kV DC for 1 minute 

• Characteristic Impedance: 100 Ω ± 15 Ω 

• Performance at 250 MHz:

  • Near-End Crosstalk (NEXT) ≥ 39.3 dB/100 m

  • Attenuation ≤ 34.8 dB/100 m

  • Return Loss ≥ 17.3 dB/100 m 

Mechanical & Physical Properties

• Tensile Strength: Sheath ≥ 13.5 MPa; Insulation ≥ 16 MPa

• Elongation at Break: Sheath ≥ 150%; Insulation ≥ 300%

• Bending Radius: Minimum 8 × cable diameter

• Conductor Elongation at Break: ≥ 10%

Environmental & Fire Resistance

• Insulation Shrinkage: ≤ 5%

• Color Migration: None observed

• Aging Performance: Sheath tensile strength ≥ 12.5 MPa, elongation ≥ 100% after aging 

• Low Temperature Flexibility: No cracking under cold bending tests

• Heat Shock Resilience: No cracking after heat exposure

• Operating Temp Range: –20 °C to +60 °C (–4 °F to +140 °F)

• Installation Temp Range: 0 °C to +50 °C (32 °F to 122 °F)

• Storage Conditions: –10 °C to +40 °C (–4 °F to 104 °F), < 60% RH

• Fire Safety: Complies with IEC 60332-1-2 vertical flame propagation standards, certified CPR Eca fire-retardant class