NYY (core 4)

Brand: Yazaki
Product Code: NYY (core 4)
Availability: In Stock

CABLE STRUCTURE

Conductor : Solid and stranded annealed copper
                  Single-core : Sizes 1 mm2 up to 500 mm2
                  Multi-cores : Sizes 50 mm2 up to 300 mm2
Insulation : Polyvinyl chloride (PVC/C)
Core identification
                 Single-core : Black
                 2 Cores : Blue and Brown
                 3 Cores : Brown, Black and Grey
                 4 Cores : Blue, Brown, Black and Grey

Inner sheath : Black polyvinyl chloride (PVC) (Multi-cores only)
Outer sheath : Black polyvinyl chloride (PVC/ST4)

TECHNICAL DATA
Classification
: Maximum conductor temperature 70 °c
                       : Circuit voltage not exceeding 450/750 Volts
                         450 Volts between Line-to-Earth
                         750 Volts between Line-to-Line
Testing voltage            : 2,500 Volts
Reference standard     : TIS 11 Part 101-2553 Table 4

APPLICATION
For installation exposed, or in raceway, wet or dry location, or direct burial in ground.

Number
of
core
Nominal
cross
sectional
area
(mm2)
Class of
conductor
Insulation
thickness
nominal
(mm)
Inner
sheath
thickness
nominal
(mm)
Outer
sheath
thickness
nominal
(mm)
Overall
diameter
diameter
maximum
(mm)
Conductor
resistance
at 20°c
maximum
(Ω/km)
insulation
resistance
at 70°c
minimum
(MΩ-km)
Continuous
current rating
maximum
Cable
weight
approx.
(kg/km)
Standard
length
(m)
Free air
at 40 °c
(A)
Underground
at 30 °c
(A)
4 50 2 1.5 1.5 2.2 39.5 0.387 0.0046 136 164 2,900 500/D
70 2 1.5 1.5 2.4 44.5 0.268 0.0039 174 205 3,900 500/D
95 2 1.7 1.8 2.6 51.5 0.193 0.0038 213 245 5,500 500/D
120 2 1.7 1.8 2.8 56.0 0.153 0.0034 247 279 6,500 500/D
150 2 1.9 2.0 3.0 62.0 0.124 0.0034 284 315 8,000 300/D
185 2 2.1 2.0 3.2 68.0 0.0991 0.0034 325 355 10,000 300/D
240 2 2.3 2.2 3.4 76.5 0.0754 0.0033 384 411 13,000 200/D
300 2 2.5 2.2 3.8 85.0 0.0601 0.0032 438 462 16,000 200/D

 

                     

Class of conductor 2 : strand                                                                                                                                 D : Packing in drum

Number
of
core
Nominal
cross
sectional
area
(mm2)
A .c . Resistance
R
(Ω/km)
Inductance
L
(mH/km)
Reactance
XL
(Ω/km)
Impedance
z
(Ω/km)
4 50 0.4634 0.29700 0.09321 0.47268
70 0.3213 0.28800 0.09035 0.33376
95 0.2318 0.28600 0.09035 0.24855
120 0.1842 0.28100 0.08842 0.20432
150 0.1497 0.28100 0.08828 0.17379
185 0.1203 0.28000 0.08809 0.14910
240 0.0924 0.27800 0.08740 0.12722
300 0.0747 0.27700 0.08694 0.11463

 

 

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