供应BS EN 50264电缆防火测试

BS EN 50264电缆防火测试

BS EN 50264-1:Railway applications—Railway rolling stock power and control cables having special fire performance—Part 1:General requirements铁路应用—铁路车辆带有特别防火性能的电缆—标准壁厚,第1部分:通用要求

BS EN 50264-2-1:Railway applications—Railway rolling stock power and control cables having special fire performance—Part 2-1 Cables with crosslinked elastomeric insulation—Single core cables铁路设施—具有特殊防火性能的铁路车辆电力及控制电缆—交联弹体绝缘电缆,第2-1部分:单芯电缆.

BS EN 50264-2-2: Railway applications—Railway rolling stock power and control cables having special fire performance—Part 2-2 Cables with crosslinked elastomeric insulation-Multicore cables铁路设施—具有特殊防火性能的铁路车辆电力及控制电缆—交联弹体绝缘电缆,第2-2部分:多芯电缆.

BS EN 50264-3-1: Railway applications—Railway rolling stock power and control cables having special fire performance—Part 3-1: Cables with crosslinked elastomeric insulation with reduced dimensions ---Single core cables. 铁路应用—具有特殊防火性能的铁路车辆用电力和控制电缆，第3-2部分：薄壁交联弹性体绝缘电缆—单芯电缆。

BS EN 50264-3-2: Railway applications—Railway rolling stock power and control cables having special fire performance—Part 3-2: Cables with crosslinked elastomeric insulation with reduced dimensions ---Multicore cables.铁路应用—具有特殊防火性能的铁路车辆用电力和控制电缆，第3-2部分：薄壁交联弹性体绝缘电缆—多芯电缆。

EN50264电线电缆对火的反应测试主要关注如下方面：

单根垂直火焰燃烧测试：EN 60332-1-2

多根成束火焰燃烧测试

电缆直径大于或等于12mm,根据EN 50266-2-4进行电缆的完整性的测试。

电缆直径在大于6mm和小于12mm之间,根据EN 50266-2-5进行电缆的完整性的测试。

电缆直径小于6mm,根据EN50305中的9.1.2进行电缆的完整性的测试。

烟密度的测试

烟雾光透性的测试，根据EN 61034-2进行

毒性的分析及测试

毒性的分析及测试，应根据EN 50305中的9.2进行测试.

EN50306具体防火测试内容，可以联系中国防火网服务中心

中国防火网专业提供各国机车防火阻燃测试，合作客户分布全国各地。

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Reaction to fire –Cables

Flame propagation (flame spread)-Single vertical cable

The completed cables shall be tested in accordance with EN 60332-1-2, and shall conform to the recommended performance requirements given in Annex A of that standard.

Flame propagation (flame spread)—Bunched cables

Cables with diameter more than or equal to 12mm

The completed cables shall be tested in accordance with EN 50266-2-4, and shall conform to the recommended performance requirements given in Annex B of that standard.

Cables with diameter greater than 6mm and less than 12mm

The completed cables shall be tested in accordance with EN 50266-2-5.

At the conclusion of the test the maximum extent of the charred portion measured on the sample shall not have reached a height exceeding 2.5m above the bottom edge of the burner, neither at the front nor the rear of the ladder.

Cables with diameter not greater than 6mm

The completed cable shall be tested in accordance with EN 50305,9.1.2

At the conclusion of the test the maximum extent of the charred portion measured on the sample shall not have reached a height exceeding 1.5m above the bottom edge of the burner, neither at the front nor the rear of the ladder.

Smoke emission

The completed cable shall be tested in accordance with EN 61034-2

The percentage light transmission shall not be less than 70%.