YTTW Rolled Metal Sheathed Mineral Insulated Fire-proof Cable
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Descriptions：
Product introduction
YTTW, YTGW series of new metal sheathed inorganic mineral insulated flexible fire-proof cables adopt advanced productiontechnology, fuly automated mechanized production, reliable product quality, meet JG/T313-2011 'rated voltage 750v and belowmetal sheathed inorganic mineral insulated cables and terminals" product industry standards. This kind of product has beerrecommended by the Chinese Architectural Standard Design Institute of the Ministry of Construction.YTTW and YTGW series products have excellent fire protection performance. The fire resistance grade not only satisfies theinternational GBl2666.6A class 980 ~C, but also meets the requirements of Class A 650 ~C 3h, Class B 750 ~C 950 ~C 3Hstipulated in B$6387-1994. At the same time, they can also withstand water spraying and mechanical impact in combustion.
Model specification
Cable Type and Name Reference Table
YTTW, YTGW Series Cable Type Name Contrast Table
| Model | Name |
| YTTW | Copper-cored copper-rolled sheathed norganic mineral insulated flexible fire-proof cable |
| YTTWE | Copper Core Copper Rolled Sheath Inorganic Mineral Insulated Low Smoke Halogen Free Polyolefin Sheathed Flexible Fire-proof Cable |
| YTGW | Copper Core Stainless Steel Rolled Sheath Inorganic Mineral Insulated Flexible Fire-proof Cable |
| YTGWE | Copper Core Stainless Steel Rolled Sheath Inorganic Mineral Insulated Low Smoke Halogen-Free Polyolefin Sheathed Flexible Fire-proof Cable |
YTTW, YTGW Series Cable Type Name:Contrast Table
| Model | Rated voltage | Core number | Nominal cross section |
| YTTW | 0.6/1KV | 1core | 10-400 |
| YTTWE | 2、3、4、5、 | 2.5-300 | |
| YTGW | 0.6/1KV | 1core | 10-400 |
| YTGWE | 2、3、4、5、 | 2.5-300 |
Product Representation Method
| Product Representation Method | |
| Heavy-duty 750V and light-duty 500V | |
| Inorganic mineral insulated cable | |
| Copper (stainless steel) sheath | |
| Copper conductor | |
| Irradiation crosslinked polyolefin sheath |
Example 1.YTTW-750-4*(1*240)
Represented as: Heavy load, four 240mm2 single core cables with rolled metal sheath
Example 2.YTTW-750-3*150
Represented as: Heavy-duty, three 150 mm2 multi-core cables
Example 3.YTTW-750-4*70
Represented as: 4 heavy-duty,70mm2 multi-core cables
Key words:
YTTW Rolled Metal Sheathed Mineral Insulated Fire-proof Cable
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