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Technical Specification of Nyy 1x185 RM 0.6/1.0 (1.2) KV Cable

This document provides the technical specifications for an NYY 1x185 rm 0.6/1.0 (1.2) kV cable. The key specifications include: - The cable has a 185 mm2 copper conductor with a nominal maximum temperature of 700°C. - Insulation is made of 2.0 mm thick extruded PVC layered around the conductor. - An outer sheath of 2.0 mm thick red PVC covers the insulation. - Electrical characteristics include a maximum DC resistance of 0.0991 ohm/km and insulation resistance of 36.7 M. ohm-km.

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Rasel Ahmed
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121 views1 page

Technical Specification of Nyy 1x185 RM 0.6/1.0 (1.2) KV Cable

This document provides the technical specifications for an NYY 1x185 rm 0.6/1.0 (1.2) kV cable. The key specifications include: - The cable has a 185 mm2 copper conductor with a nominal maximum temperature of 700°C. - Insulation is made of 2.0 mm thick extruded PVC layered around the conductor. - An outer sheath of 2.0 mm thick red PVC covers the insulation. - Electrical characteristics include a maximum DC resistance of 0.0991 ohm/km and insulation resistance of 36.7 M. ohm-km.

Uploaded by

Rasel Ahmed
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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TECHNICAL SPECIFICATION OF NYY

1x185 rm 0.6/1.0 (1.2) kV Cable


TYPE & SIZE OF CABLE

NYY 1x185 rm (mm²)


VOLTAGE GRADE, U0/U (Um)
Permissible Service Voltage, U₀/U

0.6/1.0 (1.2) kV
0.72/1.2 kV
RELEVANT STANDARDS

IEC 60502-1, IEC 60228


TECHNICAL SPECIFICATION
Cross-sectional area of conductor, nominal 185 mm2
Number of core 1 core
Material Annealed Copper
Maximum conductor temperature in normal operation 70⁰ C
Conductor
Class of conductor Class 2
Shape of conductor Stranded Circular Compacted
Minimum number of wire (manufacturing) 30 (37)
Material PVC
Thickness, nominal 2.0 mm
Insulation
Thickness, minimum 1.70 mm
Color of insulation Black
Material Extruded PVC
Color Red
Sheath Thickness, nominal 2.0 mm
Thickness, minimum 1.6 mm
Overall diameter, approximate 25.6 ± 2 mm
Electrical Characteristics Other Characteristics
D.C resistance of conductor at 200C, maximum 0.0991 ohm/km Minimum bending radius 15 x Overall diameter
0
Insulation resistance constant ki at 20 C, minimum 36.7 M. ohm-km Operating temperature -15°C to 70°C
A.C. Voltage test for 05 minutes (3.5U₀ kV) 3.5 KV Weight of cable, approximate 2026 kg/km
Current carrying capacity- Signature A K M Iftakher Ahmed
a. in ground at 30°C (Direct Buried) 390 A In Charge (QC & PD)

b. in free air at 35°C (Open) 460 A Date 28 September, 2020

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