Description
Belden 121872A Specifications
Suitable Applications
- Harsh environments
- IIoT, factory/process automation
- IP cameras and devices
- Data communication
- Exposure to rodent, crush, or cut-through force
Construction Details
Conductor:
- 4 pairs of 23 AWG solid bare copper
Insulation:
- Polyolefin (PO)
- Colors: White/Blue & Blue, White/Orange & Orange, White/Green & Green, White/Brown & Brown
- Bonded-Pair
Inner Jacket:
- PVC (Polyvinyl Chloride)
- Nominal Diameter: 0.365 x 0.165 in
- Ripcord: Yes
Armor:
- Aluminum Interlock Armor (AIA)
Outer Jacket:
- PVC (Polyvinyl Chloride)
- Nominal Diameter: 0.725 in (18.4 mm)
Overall Cable Diameter: 0.725 in (18.4 mm)
Electrical Characteristics
Conductor:
- Max. DC Resistance: 93.8 Ohm/km (28.6 Ohm/1000ft)
- Max. Capacitance Unbalance: 330 pF/100m
Delay:
- Max. Delay: 510 ns/100m
- Max. Delay Skew: 25 ns/100m
- Nom. Velocity of Propagation: 70%
High Frequency (at 100 MHz):
- Max. Insertion Loss: 19.8 dB/100m
- Min. NEXT: 44.3 dB
- Min. PSNEXT: 42.3 dB
- Min. ACR: 24.5 dB
- Min. PSACR: 22.5 dB
- Min. ACRF: 27.8 dB
- Min. PSACRF: 24.8 dB
- Min. Return Loss: 21 dB
- Impedance: 100 ± 15 Ohm
Voltage Rating:
- UL Voltage Rating: 300 V (CM)
- Voltage Rating: 300 V (CMG-HL)
Mechanical Characteristics
Temperature:
- UL Rating: 75°C
- Operating: -40°C to +75°C
- Installation: -25°C to +75°C
- Storage: -40°C to +85°C
Bend Radius:
- Stationary Min.: 8.25 in (210 mm)
Max Pull Tension: 200 lbs (91 kg)
Bulk Cable Weight: 172 lbs/1000ft
Standards and Compliance
Environmental Suitability:
- Indoor (Not Riser or Plenum)
- Indoor/Outdoor
- Sunlight and oil resistance
- Aerial (supported by messenger wire)
Flammability/Reaction to Fire:
- UL 1685 (UL Loading)
- IEC 60332-1-2
CPR Compliance:
- CPR Euroclass: Eca
- CPR UKCA Class: Eca
NEC/UL Compliance:
- Article 800, CM
CEC/C(UL) Compliance:
- CMG, HL, CSA CMG, HL, -40°C
IEEE Compliance:
- IEEE 802.3bt Type 1, Type 2, Type 3, Type 4
Data Category:
- Category 6
TIA/EIA Compliance:
- ANSI/TIA-568.2-D Category 6
European Directive Compliance:
- RoHS 2, REACH, WEEE, CE Mark
UK Regulation Compliance:
- UKCA Mark
APAC Compliance:
- China RoHS II
Product Notes
- US Patent #’s 5606151; 5734126; 5821467
- Values above 350 MHz are informational only.
- Cable passes -40°C Cold Bend per UL 1581.
Belden 121872A Part Numbers
| Item # | Color | Putup Type | Length | UPC |
|---|---|---|---|---|
| 121872A 0102000 | 612825109044 | |||
| 121872A J225000 | 612825364733 | |||
| 121872A 0101000 | Black | Reel | 1,000 ft | 612825109037 |
| 121872A J221000 | Blue, Strong | Reel | 1,000 ft | 612825109013 |
Revision Number: 0.600, Revision Date: 04-29-2024






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