美标PUR信号屏蔽电缆

 美标PUR信号屏蔽电缆

UL20937型使用非整体式护套的多芯电缆。

额定值80摄氏度，30伏交流电压，电缆火焰。

导线至少40 WG，实心或绞合。

绝缘贴有标签符合制造商的AWM程序，但2级运行额定电压为30伏的类型不可使用。

组件由两个或多个导线、双绞线或一组绞在一起的绞合导线组成。导线或导线组可平行敷设，形成扁平、椭圆形或圆形电缆。导线的敷设未作规定。屏障层和/或填料是可选的。可使用相同或混合的AWG尺寸。

覆盖可选。挤制聚氯乙烯，6密耳或更重可挤压在每个双绞线、导体组或导体组件上。

屏蔽可选。

夹克挤出TPU。

护套下的电缆直径（英寸）最小平均密耳（在任何点最小）

0.700或以下30 24

0.701-1.000 45 36

60 48

标准电器布线材料UL 758。

一般标记。

使用电子设备的内部布线或外部互连。

Style 20937 Multiple-conductor cable using non-integral jacket.

Rating 80 deg C, 30 Vac, Cable flame.

Conductor 40 AWG min, solid or stranded.

Insulation Labeled or complying with Manufacturer's AWM Procedure except that styles rated 30 Volts for Class 2 operation may not be used.

Assembly Consists of two or more conductors, twisted pairs or groups of twisted conductors twisted together. The conductors or groups of conductors may be laid parallel forming a flat, oval or round cable. The lay of the conductors is not specified. A barrier layer and/or fillers are optional. May use same or mixed AWG size.

Covering Optional. Extruded PVC, 6 mil or heavier may be extruded over each twisted pair, groups of conductors, or the conductor assembly.

Shield Optional.

Jacket Extruded TPU.

Dia of cable under jacket in inches Minimum average mils Minimum at any point mils

0.700 or less 30 24

0.701-1.000 45 36

60 48

Standard Appliance Wiring Material UL 758.

Marking General.

Use Internal wiring or external interconnection of electronic e

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