19/33 kV SANS Type 633 / 633-ECC Cable Construction
| Conductor | Class 5 flexible stranded tinned annealed Copper |
| Insulation | EPR (Ethylene Propylene Rubber) thermosetting compound and a strippable semi-conducting core screen (triple extruded) |
| Braid | Nylon /Tinned copper wires |
| Pilot Cores | Insulated with EPM (Ethylene Propylene Monomer) |
| Lay | Each power core individually screened with tinned copper/textile braid, laid up three insulated pilot cores |
| ECC Variant | One pilot core replaced with tinned conductor |
| Inner Sheath | CR (Polychloroprene Rubber) |
| Reinforcement braid | Open nylon braid - minimum 16 strings |
| Outer Sheath | CR (Polychloroprene Rubber) |
19/33 kV SANS Type 633 / 633-ECC Cable Application
- Primary Distribution: Powering transformers in industrial plants, mines, commercial complexes, and large residential areas from 22kV substations.
- Industrial Plants and Mines: Harsh environments where mechanical strength and reliability are critical (especially the 633-ECC type).
- Renewable Energy: Connection applications for solar farms and wind turbines.
- Grid Reinforcement: Upgrading or expanding existing 22kV municipal and utility grids.
19/33 kV SANS Type 633 / 633-ECC Cable Technical Data
- Voltage Rating Uo/U 19/33 kV
- Temperature Rating
- -25°C to +90°C
- Minimum Bending Radius
- 9 x Overall Diameter
19/33 kV SANS Type 633 / 633-ECC Cable Standard
- SANS 1520-2, SANS 1411-1, SANS 1411-3
19/33 kV SANS Type 633 / 633-ECC Cable Feature
- Moisture Barrier: Superior waterproof and moisture-resistant properties, critical for long-term reliability.
- Rodent Resistance: Corrugated metal sheathing provides excellent bite resistance.
- Mechanical Protection: Outstanding compression and impact resistance.
- Fault Current Carrying Capacity: Typically higher than wire mesh shielding.
19/33 kV SANS Type 633 / 633-ECC Cable Specification
| POWER CORES | PILOT CORES CORES | MAXIMUM TENSION | NOMINAL OVERALL DIAMETER | NOMINAL WEIGHT | |||||
|---|---|---|---|---|---|---|---|---|---|
| CONDUCTOR SIZE | MAXIMUM WIRE DIAMETER | CONDUCTOR DIAMETER | MAXIMUM SCREEN WIRE DIAMETER | CONDUCTOR SIZE | MAXIMUM WIRE DIAMETER | CONDUCTOR DIAMETER | |||
| mm2 | mm | mm | mm | mm2 | mm | mm | kN | mm | kg/km |
| 25 | 0.41 | 6.8 | 0.31 | 16 | 0.41 | 4.2 | 1.1 | 71.3 | 720 |
| 35 | 0.41 | 8.5 | 0.31 | 16 | 0.41 | 4.2 | 1.6 | 73.5 | 780 |
| 50 | 0.41 | 10.3 | 0.31 | 16 | 0.41 | 4.2 | 2.3 | 77.8 | 890 |
| 70 | 0.51 | 11.9 | 0.31 | 16 | 0.41 | 4.2 | 3.2 | 83 | 1030 |
| 95 | 0.51 | 13.5 | 0.31 | 16 | 0.41 | 4.2 | 4.3 | 87.8 | 1170 |
| 120 | 0.51 | 15.5 | 0.31 | 16 | 0.41 | 4.2 | 5.4 | 90 | 1270 |
Why Huadong Cable
Our vision is to become an internationally renowned cable brand. Customer satisfaction, employee advancement, and corporate growth are our service tenets. High standards, globalization, and building an international brand are our business philosophy.
About HuaDong
Henan Huadong Cable Co., Ltd., established in 1999, is a state-level high-tech enterprise integrating scientific research, production, and trade. Deeply engaged in the Belt and Road Initiative, Huadong Cable exports its products to over 130 countries worldwide, covering regions including Europe, South America, North America, the Middle East, Africa, Asia, and Oceania.
HuaDong Technology
HuaDong Cable focuses on technological research and development, employing 60 professionals with senior technical titles and holding over 100 invention and utility model patents. The company has assembled a team of experienced technical engineers to ensure the quality of its cable products.
Main Products
Our main products: Marine cables, power cables, overhead cables, fire-resistant cables, low-smoke zero-halogen cables, rubber cables, high-temperature resistant cables, instrumentation and control cables, solar cables, and other products.
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