inherently earth fault proof cable

NSHXAFÖ is a specialized, halogen-free, single-core rubber cable manufactured according to DIN VDE 0250 Part 606. It is unique in the electrical industry because, although it is rated for 1.8/3 kV (or even 3.6/6 kV), it is primarily used in 1000V (1kV) Low Voltage circuits. This “over-engineering” of the insulation thickness allows it to be classified as “inherently short-circuit proof” (kurzschlusssicher) when installed in switchgear and railway vehicles. It acts as a fail-safe against catastrophic electrical faults where fusing protection is physically impossible or delayed. NSHXAFÖ 是一种根据 DIN VDE 0250 第 606 部分 制造的专用无卤单芯橡胶电缆。它在电气行业中独一无二，尽管其额定电压为 1.8/3 kV（甚至 3.6/6 kV），但主要用于 1000V (1kV) 低压电路。这种绝缘厚度的“过度设计”使其在安装于开关设备和铁路车辆中时，被归类为“本质短路保护”（kurzschlusssicher）。它充当了防止灾难性电气故障的故障安全装置，适用于物理上无法安装熔断保护或保护延迟的场合。