本质安全电路用计算机控制电缆
Intrincially Safe Type Circuit Purpose Computer Control Cable
执行标准
STANDARD IMPLEMENTED
执行标准:本质安全电路用计算机控制电缆执行Q/321084KLB12-2000
Executive standard:Q/321084KLB12-2000 is applicable for intrincially safe typecircuit purpose computer control cable.
使用特性
APPLICATION PROPERTIES
1.交流额定电压(Uo/U):450/750V
2.电缆导体长期允许工作温度为:
聚氯乙烯绝缘电缆70℃ 90℃105℃(根据型号的温度等级而定)
聚乙烯绝缘电缆70℃
交联聚乙烯绝缘电缆90℃
3.环境温度:固定敷设-40℃，非固定敷设-15℃
4.安装敷设温度:不低于0℃(低于允许敷设温度应预先加热)
5.最小弯曲半径:无铠装层电缆应不小于电缆外径的6倍;有铠装层电缆应不小于电缆外径的12倍。
1.Rated AC voltage (Uo/U):450/75ov
2.Allowable long-time working temperatures of cableconductors:PVC insulated cable:70℃,90℃,105℃
(Note:The specific temperature shall be determined in accor-dance to model of cable.)
PE insulated cable:70℃
XLPE insulated cable:90℃
3.Minimum ambient temperature:-40? for fixed cable;-15℃formoveable cable.
4.Minimum temperature for cable laying:over 0℃
(Note:Preheat when the ambient temperature is lower thatthe allowable minimum temperature for cable laying.)
5.Recommended allowable bending radius for cable laying:Cable with no armor:over 6 times of the outside diameter ofcable;
Cable with armor:over 12 times of the outside diameter ofcable;
产品特点及用途
Properties and purpose of produc
本产品具有低电容和低电感，并具有根好的屏蔽性能和抗干扰性能，因而防爆性能优于一般计算机电缆和控缆，它适用于有防爆要求场合的集散系统和自动化检测控制系统等电路中作传输线。
This category of products boasting low capacitance,lowinductance,excellent shielding properties and distur-bancereisting property,so it its explosion protection performance isbetter than ordinary type computer cable and control cable.Thiscategory of products,as transmission cable,is applicable fordistributed control system and automatic control system.
