Belden 9451 009U is a 1 pair 22 AWG audio cable designed for low-voltage signal transmission in control, communication, and line-level audio applications. It features 22 AWG Stranded (7x30) TC - Tinned Copper conductors with PP - Polypropylene insulation and a bonded Beldfoil® tape shield for noise rejection. The overall foil shield provides 100% coverage and includes a 22 AWG (7x30) TC drain wire for termination. A PVC - Polyvinyl Chloride jacket and UL Voltage Rating: 300 V (CMR) support indoor riser installations.
Belden 9451 009U Key Features
- 1 pair construction with 22 AWG Stranded (7x30) TC - Tinned Copper conductors.
- PP - Polypropylene insulation with black & red color code.
- Bonded Beldfoil® tape shield with Bi-Laminate (Alum+Poly) material and 100% shield coverage.
- 22 AWG (7x30) TC drain wire inside foil shield to support termination.
- Jacket and shield are bonded so both can be removed on automatic stripping equipment.
- PVC - Polyvinyl Chloride jacket with environmental suitability: Indoor - Riser, Indoor.
- UL Voltage Rating: 300 V (CMR) and UL temperature: 60°C.
Belden 9451 009U Technical Specs
Physical Construction
| Insulation thickness (nom.) | 0.009 in (0.23 mm) |
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| Insulation diameter (nom.) | 0.046 in (1.2 mm) |
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| Jacket thickness (nom.) | 0.020 in (0.51 mm) |
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| Overall diameter (nom.) | 0.135 in (3.43 mm) |
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| Bulk cable weight | 14 lbs/1000ft (21 kg/km) |
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| Plenum number | 9451P |
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Electrical Characteristics
| Nom. conductor DCR | 14.1 Ohm/1000ft (46.3 Ohm/km) |
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| Nom outer shield DCR | 14.3 Ohm/1000ft (46.9 Ohm/km) |
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| Nom. capacitance cond-to-cond | 35 pF/ft (110 pF/m) |
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| Nom. capacitance cond-to-other (Conds + Shield) | 67 pF/ft (220 pF/m) |
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| Nom. characteristic impedence | 45 Ohm |
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| Nom. delay | 1.54 ns/ft |
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| Nom. inductance | 0.17 μH/ft (0.56 μH/m) |
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| Nom. velocity of prop. | 66% |
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| Max. current | 2.9 Amps per Conductor at 25ºC |
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Environmental & Mechanical Ratings
| Operating temperature | -20°C to +75°C |
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| Stationary min. bend radius | 1.4 in (36 mm) |
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| Installation min. bend radius | 1.4 in (36 mm) |
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| Max. pull tension | 27 lbs (12 kg) |
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Compliance & Certifications
| Flammability / reaction to fire | UL 1666 Riser, IEEE 1202 FT4, IEC 60332-1-2 |
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| NEC / UL compliance | Article 800, CMR |
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| CEC / C(UL) compliance | CMR |
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| CPR compliance | CPR Euroclass: Eca; CPR UKCA Class: Eca |
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| 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) |
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| UK regulation compliance | UKCA Mark |
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| APAC compliance | China RoHS II (GB/T 26572-2011) |
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| Sustainability | CA Prop 65 |
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Belden 9451 009U Applications
- Enables efficient preparation on automatic stripping equipment when bonded jacket-and-shield removal is needed.
- Handles low voltage analog signals (4-20mA, 0-10V, ...) in control and communication circuits.
- Supports low voltage digital control (24V, …) for control wiring in installed systems.
- Fits line level audio connections where consistent signal transfer is required.
- Works in computer communication links that use low-voltage signal transmission.
- Serves panel wiring needs in indoor installations.
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