Belden 9451D J77U, Multi Conductor Cable 2 Bonded 22 AWG PVC

Belden 9451D J77U is a line level audio cable designed for low voltage analog signals and control in Indoor - Riser, Indoor applications. It features 2 parallel pair 22 AWG (7 x 30) TC - Tinned Copper conductors with PP - Polypropylene insulation and an overall Beldfoil® shield for noise rejection. A PVC - Polyvinyl Chloride jacket with CMR rating and a bonded jacket-and-shield design support clean removal on automatic stripping equipment.

Belden 9451D J77U Key Features

• 2 parallel pair construction with 22 AWG (7 x 30) TC - Tinned Copper conductors.
• PP - Polypropylene insulation with Black & Red color code.
• Overall Beldfoil® shield with 100% coverage and a drain wire inside the foil shield.
• Bonded jacket and shield for removal on automatic stripping equipment.
• PVC - Polyvinyl Chloride jacket with CMR rating.

Belden 9451D J77U Technical Specs

Construction & Materials

Elements	Pair(s)
No. of elements	2
Insulation thickness (nom.)	0.009 in (0.23 mm)
Insulation diameter (nom.)	0.046 in (1.2 mm)
Shield type	Tape
Shield material	Bi-Laminate (Alum+Poly)
Drainwire type	22 AWG (7x30) TC
Jacket thickness (nom.)	0.020 in (0.51 mm)
Diameter (nom.)	0.135 in (3.43 mm)
Overall cable diameter (nominal)	0.270 in (6.86 mm)

Electrical & Signal Characteristics

Shield DCR (nom.)	13.93 Ohm/1000ft (45.70 Ohm/km)
Conductor DCR (nom.)	18.2 Ohm/1000ft
Capacitance, Cond-to-Cond (nom.)	34 pF/ft (110 pF/m)
Capacitance, Cond-to-other (conds + Shield) (nom.)	67 pF/ft (220 pF/m)
Characteristic impedence (nom.)	45 Ohm
Delay (nom.)	1.5 ns/ft
Inductance (nom.)	0.16 μH/ft (0.52 μH/m)
Velocity of prop. (nom.)	66%
Max. current	2.8 Amps per Conductor at 25ºC
UL Voltage Rating	300 V (CMR)

Environmental & Mechanical Ratings

UL temperature	105°C
Operating temperature	-30°C to +105°C
Bend radius (stationary min.)	1.4 in (36 mm)
Bend radius (installation min.)	1.4 in (36 mm)
Max. pull tension	45.5 lbs (20.6 kg)
Bulk cable weight	27 lbs/1000ft
Environmental suitability	Indoor - Riser, Indoor

Compliance & Certifications

Flammability / reaction to fire	UL 1666 Riser, IEC 60332-1-2, FT4
CPR compliance	CPR Euroclass: Eca
NEC / UL compliance	Article 800, CMR
CEC / C(UL) compliance	CMR
European directive compliance	EU CE Mark, EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)
UK regulation compliance	UKCA Mark
APAC compliance	China RoHS II (GB/T 26572-2011)
Plenum number	9451DP

Belden 9451D J77U Applications

• Use it for line level audio connections where consistent signal transfer is required.
• For low voltage analog signals and control wiring, it supports Indoor - Riser, Indoor installation environments.
• In indoor riser installations, it is intended for applications where CMR-rated cable is specified.
• For cross-connect use, it is specified with 1814R (et. al.) Snake Cables.

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