Application

Solar cable popularly known as DC Solar or Photovoltaic cables are used for interconnection between various elements in photovoltaic (PV) system including roof top PV systems in residential or commercial buildigns, PV panels / module interconnection, between panel and string box or from string box to inverter. These are used as free hanging, movable or fixed installations in various indoor, outdoor, hazard explosion areas, in industries as well as in agriculture. They are suitable for applications in equipment with protective insulations (protecting class II)

Statutory Requirement

The Quality Control Order (QCO) on DC Solar Cable released by Ministry of Commerce & Industry on 24th August 2023, mandates the use of DC Solar cable marked with IS 17293 in India. Any person who contravenes the provisions of this Order shall be punishable under the provisions of the Bureau of Indian Standards Act, 2016.

Standard

IS 17293:2020

RR Kabel Solar Cable marked with IS 17293 complies with IEC 62930 and exceeds the requirements of EN 50618

Technical Data

Voltage Rating: AC 1.0/1.0 kV

Max. PV-System Voltage: DC up to 2.0 kV possible

Max. permissible operating voltage in AC systems: 0.7/1.2 kV

Max. permissible operating voltage in DC systems: 0.9/1.8 kV

Short Circuit Temperature: 250°C (referring to period of 5 sec.)

Operating Temperature Range: -40°C to +90°C

Minimum Bending Radius: Fixed Installation approx. 4 x cable Ø

Cable Construction

Conductor: Fine wire bunch of annealed tinned copper conductors according to IS 8130

Insulation: UV resistant crosslinked Halogen Free Flame Retardant core insulation

Core identification: Red, Black or Natural

Sheath: UV resistant crosslinked Halogen Free Flame Retardant sheath over insulation

Cable Colour: Black, Red, Black with red strip (or as required)

Properties

Please complete the part numbers for these cables by adding the suffix (in place of ‘xx’) for the insulation colour required as per the

list: 02 – black, 03 – red, 07 – natural

Cable Design Parameters

Application

Flexible single core cable with Halogen Free Flame Retardant insulation. These are suitable for flexible installations preferably in panels, cabinets, machinaries, controllers, equipments used in chemical industries, oil and gas industries, in explosive or fire prone areas where safety is utmost important. They also find their usage in flexible wiring installations in industrial and commercial areas with dense population.

Technical Data

Approvals: IS 17048 marked, FIA/TAC

Cable Code: Z

Voltage Grade: Up to and including 1100V

Conductor: Flexible electrolytic annealed plain copper, class 5, IS 8130

Insulation: HFI-TP 70, Thermoplastic halogen free flame retardant.

Packing: 200 meter in polybag packing.

Properties

Cable Design Parameters

Test Parameters

Assessment of Halogen

Application

Solar cables are intented for use in photovoltaic power supply systems and similar applications as free hanging, movable, fixed installation and buried in ground in constructional covered systems. The cables can be used indoor, outdoor, in hazard explosion areas, in industry and agriculture. They are suitable for applications in equipment with protective insulation (protecting Class 2).

Standard

EN 50618:2015.

Thermal parameters

Max. Permissible Ambient Temperature: +90°C (stationary and in motion )

Max. Permissible Operating Temperature of The Conductor: +120°C, Interpretation according to IEC 60216 : permanent temperature.

120°C for 20,000 h ( = 2.3 years ), at max. 90°C permanent temperature ( = 30 years ).

Short – Circuit Temperature: 250°C referring to a period of 5 sec.

Damp – Heat Test: According to EN 60068 – 2 – 78. 1,000h at 90°C and 85% humidity.

Min. Permissible Ambient Temperature: -40°C (stationary and in motion)

Resistance to Cold: Bending test at low temperature according to DIN EN 60811 – 1 – 4, Impact test similar to DIN EN 50305.

Minimum Bending Radius: Fixed Installation approx. 4 x cable Ø

Electrical Parameters

Voltage Rating: AC 0.6 / 1.0 kV

Max. PV – System Voltage: DC up to 2.0 kV possible

Max. Permissible Operating Voltage in AC Systems: 0.7 / 1.2 kV

Max. Permissible Operating Voltage in DC Systems: 0.9 / 1.8 kV

Test Voltage: AC 6.5 kV / DC 15 kV (15 min.)

Mechanical Parameters

Tensile Load: 15 N / mm² in operation. 50 N/mm² during installation

Shrinkage Test : According to EN 60811 – 1 – 3

Shore-Hardness: 85 shore A according to DIN EN 53505

Pressure Test at High Temperature: According to EN 60811 – 3 – 1

Dynamic Penetration Test : According to requirements for cables for PV systems, DKE / VDE 411.2.3

Chemical Parameters

AD7 and AD8 compliant: AD7 and AD8 compliant for water immersion and water submersion applications

Mineral Oil Resistance: 24h, 100°C according to DIN VDE 0473 – 811 – 2 – 1, DIN EN 60811-2-1

Acid and Alkaline Resistance: According to EN 60811-2-1

7 days, 23°C (N-Oxalic Acid, N-Sodium Hydroxide)

Ammonia Resistance: 30 days in saturated ammonia atmosphere (internal testing)

Weather Resistance: Ozone resistance according to DIN EN 50396 test Type B, HD 22.2 test Type B UV – resistance according to UL 1581 (Xenon – Test), ISO 4892 – 2 (Method A) and HD 506/A1-2.4.20

Absorption of water (gravimetric) according to DIN VDE 0473-811-1-3, DIN EN 60811 – 1 – 3.

Behavior in Case of Fire: Flame propagation.

Single cable according to DIN VDE 0482 Part 332 – 1 – 2, DIN EN 60332 – 1 – 2.

Multiple cable according to DIN VDE 0482 Part 266 – 2 – 5, DIN EN 50305 – 9.

Low smoke emission according to DIN VDE 0482 Part 268 – 2.

DIN EN 50268-2 (light transmittance > 70% ).

Corrosivity according to DIN EN 50267 – 2 – 2.

Toxicity according to DIN EN 50305, ITC – index < 3.

Cable Construction

Conductor: Fine Wire Tinned Copper Conductor according to BS EN 60228:2005 cl. 5.

Insulation: UV resistant, cross linkable, halogen free, flame retardant compound for core insulation.

Core Identification : Red, black or natural

Sheath: UV resistant, cross linkable, halogen free, flame retardant compound for Sheath over insulation.

Cable Colour: Red, Black, Black with red strip

Please complete the part numbers for these cables by adding the suffix (in place of ‘xx’) for the insulation colour required as per the list: 02 – black, 03 – red, 13 – natural.

Cable Design Parameters

Application

These data cables with twisted pairs are used for interference-free transmission of data and signals over longer distances. The high transmission rate are suitable for RS 422 and RS 485 interfaces. This cable forms an integral part of supervisory control and data acquisition (SCADA) systems. These cables are suitable for fixed installations as well as for flexing applications, for free movement without forced motion and without tensile stress in dry and moist environment.

Technical Data

Standard: Based on VDE 0812

Voltage Grade (Not for power installation): Max. 250 V

Test Voltage: Core/core 2000 V. Core/screen 1000 V

Insulation Resistance: Min. 5000 GΩ x cm

Mutual Capacitance* : Max. 60 nF/km

Characteristic Impedance*: 100 Ω ±15

Cross-talk Attenuation : Upto 1 MHz min. 50 dB. Upto 10 MHz min. 40 dB

Inductance: Approx. 0.65 mH/km

Temperature Range: Flexing -5°C to +70°C. Fixed installation -30°C to +70°C

Minimum Bending Radius : Flexing 15 x cable ø. Fixed installation 6 x cable ø

Cable Construction

Bare copper stranded 7 wire conductor

Conductor make-up for

0.22 mm² = 7 x 0.20 mm

0.34 mm² = 7 x 0.25 mm

0.5 mm² = 7 x 0.30 mm

Conductor resistance (loop) at 20°C

0.22 mm² = 186 Ω/km (max.)

0.34 mm² = 115 Ω/km (max.)

0.5 mm² = 78.5 Ω/km (max.)

Metal coated copper is also offered on request.

Core insulation of PE (Polyethyelene).

Core colours as per DIN 47100 (Refer table no. 2-1)

Cores stranded in pair with optimal lay-length.

Pair stranded in layers with optimal lay-length.

Aluminium backed PETP foil over the laid up pairs.

Tinned copper braided screen, approx 85% coverage.

Special PVC outer sheath TM2, to EN 50363-4.1.

Sheath colour grey (RAL 7032).

Type …… Yv with reinforced black outer sheath suitable for outdoor application.

For underground burial, armoured version available on request.

Properties

PVC self-extinguishing and flame retardant according to EN 60332-1-2. The twisted-pair lay-up prevents electrical unbalances within the cable and this thus effectively suppresses cross-talking effects.

Cable Design Parameters