耐火、耐温500℃控制电缆
Fire-proof, 500℃ high-temperature resistant control cable
   本产品适用于钢铁厂、铜冶炼厂连铸机及开口机、发电厂为炉本体、电动阀门、主汽门及其它高热源场所电器、仪表设备的动力控制和信号控制连接，并且产品还具有抗干扰、低衰变、超耐高温、不燃烧、防老化、防潮、防辐射、耐油污和酸碱等多种优异特点

The product is suitable for the power control and signal connection of electric equipment and instruments in iron and steel works, copper smelter, tapping machine, power plant furnace, electric valve, main porthole and other high thermal resource sites. And the product has perfect characteristics such as anti-interference, low decay, super high-temperature resistance, non-combustion, ageing-resistance, damp-resistance, radiation-resistance, oil soil and acid-alkali resistance, etc..

一、使用特性 Requirements of application

1、交流额定电压U₀/U：300/500V。

Rated A.C. voltage U₀/U: 300/500V.

2、工作温度：长期使用500℃，短期使用180min 860℃。

The maximum operation temperature: It is 500℃ for long term using and 860℃ in the short time up to 180 minutes.

3、最低环境温度：固定敷设-60℃，非固定敷设-20℃。

The lowest ambient temperature: It is 60℃ below zero for fixed laying and 20℃ below zero for non-fixed laying.

二、型号及名称 Type and designation 

 四、主要技术指标 Main technical Data

1、导体（铜、镍、镀锡、镀镍） Conductor (copper, nickel, tin-plating, nickel-plating)

2、氟塑料绝缘（F46，PFA）     Fluoroplastic insulation (F46, PFA)

3、氟塑料护套或硅橡胶或无机物绕包编织、护套（无碱玻纤或天然云母带）

Fluoroplastic sheath or silicone rubber or wrapped or braided inorganic material, sheath (alkali-free glass fiber tape or natural mica tape)

4、氟塑料护套或硅橡胶护套     Fluoroplastic sheath or silicone rubber sheath

5、天然云母带     Natural mica tape

6、氟塑料护套或硅橡胶护套或无机物编织护套（无碱玻纤）

Fluoroplastic sheath or silicone rubber sheath or inorganic material braiding sheath (alkali-free glass fiber tape)

7、外屏蔽护套（镍丝或镀镍铜丝编织） 

External shield sheath (nickel wire or braided nickel-plated copper wire )