What Are UNE 22560 and UNE 22561? Scope, Definitions, and Core Purpose The UNE 22560 and UNE 22561 standards represent the final and often most underestimated element of the Spanish and Latin American underground mining cable ecosystem. Where UNE 22511 and UNE 22512 govern the power distribution cables that energize mining equipment, the 22560 and 22561 standards govern the signal, control, and interlock cables that command and protect that equipment. These are the "nervous system" cables of a mine — the communication network that tells a continuous miner when to advance and when to halt, that triggers emergency stops, that monitors hoisting rope tension on shaft equipment, that controls conveyor sequencing, and that enables the protective interlocking that prevents a piece of equipment from operating unless all safety preconditions are met. UNE 22560 formally defines flexible multi-core cables for underground mining with voltage ratings up to 500 V or 0.6/1 kV, with no metallic armour protection — designed for installation within equipment enclosures, along protected cable trays in main gate roads, or in areas where mechanical damage risk is minimal. UNE 22561 is its armoured sister standard, incorporating steel wire braid or steel tape protection, specified for installation in rough terrain areas where mechanical damage from rock fall, equipment collision, or floor contact is a credible risk. Both standards mandate that the cable be designed as a multi-core concentric stranded bundle — not the parallel-laid three or four conductors common in power cables, but rather seven, twelve, nineteen, or more individually insulated cores twisted concentrically around a central axis, allowing compact packaging of numerous independent control circuits within a single cable jacket. The distinction between these standards is not merely mechanical armour presence or absence. Control cables are tested against an entirely different set of safety criteria than power cables because their failure mode is fundamentally different. A power cable failure results in loss of energy to equipment — dangerous but localized. A control cable failure can disable the interlock system that prevents a continuous miner from advancing into unsafe ground, or can disable the emergency stop circuit that should halt a conveyor if a worker falls into it. A control cable fire, burning in a tightly bundled cable tray with other control cables, must not spread flame between cables because control cables are typically routed in shared ducts and cable carriers where one cable's ignition could cascade to adjacent circuits. Therefore, control cables are tested for bundle flame propagation (EN 60332-3) rather than single-cable flame propagation tests — a more stringent requirement that demands careful attention to outer sheath formulation and cable spacing in bundle installation.

on01/06/2026

耐极寒 -60°C！(N)SHTÖU 卷筒电缆出口俄罗斯，全套 EAC 防爆与 GOST 防火直供

為西伯利亞採礦、俄羅斯遠東油氣、北極工程、凍土地帶基礎設施開發的專業極寒電纜技術白皮書。本文檔詳述飛純特種電纜如何在−60°C極限環境中保持電氣性能與機械柔性、(N)SHTÖU防爆標準的結構要求、俄羅斯EAC防爆認證與GOST無鹵防火等級的完整實現、以及針對北極工程現場的交付與技術支持方案。

Nexans PANZERFLEX is the commercial product designation for high-flexibility mining reeling cables manufactured to German (VDE 0250-813) and international (IEC 60502-1) specifications. The product line is aimed specifically at European and Latin American underground mining operations, where it commands the market leadership position for continuous miner, shearer, and shuttle car drag cables. PANZERFLEX is not a single cable specification but rather a family of products: PANZERFLEX-R for rubber-insulated designs, PANZERFLEX-P for PUR-sheathed designs, and variants distinguished by voltage rating (0.6/1 kV, 1.8/3 kV) and core configuration. (N)TSCGEWÖU is the German VDE cable designation that describes the same functional class: a 0.6/1 kV, Class 5 flexible copper conductor, EPR insulation, unarmoured cable suitable for mobile mining equipment. The "(N)" prefix indicates "new" or "current" specification, distinguishing it from obsolete predecessors. This designation is widely used in German, Austrian, and Central European mining specifications, particularly in coal mining where German equipment vendors historically dominated the market. Technically, PANZERFLEX and (N)TSCGEWÖU are designed to satisfy identical functional requirements and electrical performance levels. Both must pass IEC 60502-1 qualification testing, both are specified for 0.6/1 kV operation, both support Class 5 conductor architecture for maximum torsional flexibility, and both employ EPR insulation for mining durability. The designations differ only in nomenclature: one is a commercial product name from a multinational manufacturer, the other is a German standards designation used in technical specifications and procurement documents.

Technical Department

on01/06/2026

NSHTÖU 柔性卷筒电缆出口俄罗斯：带全套 EAC 与 GOST 防火认证 (VDE 0250)

NSHTÖU 規範要求導體更細緻的絞合、更彈性的絕緣、更耐磨的外皮——這些特性使其完全兼容於 DIN VDE 0250 標準，並在俄羅斯與全球市場上獲得高度認可。對於計畫從事卷筒應用設備出口到俄羅斯的中國採購商與機械製造商而言，NSHTÖU + EAC + GOST 雙重認証的電纜意味著「專業卷筒應用資格」。俄羅斯購方會立即認識到這一點：這不是通用工業電纜，而是針對卷筒動態應用優化的高端產品。

In the international cable industry, the letter "N" at the beginning of a cable designation carries significant technical and regulatory meaning. However, many engineers encounter confusion when comparing cables marked with N (without brackets) versus (N) (with brackets). This distinction is fundamental to understanding whether a cable is manufactured to German national standards or European harmonised standards. 在国际电缆行业中，电缆型号开头的字母"N"具有重要的技术和法规含义。然而，许多工程师在比较标有N（不带括号）和(N)（带括号）的电缆时会感到困惑。这种区别对于理解电缆是按照德国国家标准还是欧洲协调标准制造的至关重要。

Technical Department

on22/01/2026

What Does the Letter “(N)” in Brackets Signify in Cables Like (N)TSCGEWÖU Compared to Cables Without Brackets “N”?

In the international cable industry, the letter “N” at the beginning of a cable designation carries significant technical and regulatory meaning. However, many engineers encounter confusion when comparing cables marked with N (without brackets) versus (N) (with brackets). This distinction is fundamental to understanding whether a cable is manufactured to German national standards or European harmonised standards. 在国际电缆行业中，电缆型号开头的字母”N”具有重要的技术和法规含义。然而，许多工程师在比较标有N（不带括号）和(N)（带括号）的电缆时会感到困惑。这种区别对于理解电缆是按照德国国家标准还是欧洲协调标准制造的至关重要。

DIN VDE 0250 German Standard Flexible Power Reeling Cable

Technical Department

on10/11/2025

What is DIN VDE 0250 Reeling Cables?

DIN VDE 0250 represents the globally recognized German standard for flexible electrical cables designed specifically for cranes, material handling equipment, and mobile machinery applications. As Germany remains the only country to have issued special design regulations for flexible electrical cables covering cranes and material handling equipment, this standard has achieved worldwide acceptance as the ultimate benchmark for tough rubber-sheathed flexible reeling cables.