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.

on16/06/2026

NSSHÖU для общего применения: тяжёлый эластомерный кабель 0,6/1 kV для шахт, карьеров, тоннелей и промышленности

NSSHÖU — это гибкий силовой кабель тяжёлого исполнения для общего применения в горной добыче, карьерах, промышленных зонах, строительных площадках, сельскохозяйственных операциях и в качестве trailing cable. По предоставленным техническим данным он имеет лужёные медные жилы DIN VDE 0295 Class 5, изоляцию 3GI3, внутреннюю оболочку GM1b, наружную тяжёлую эластомерную оболочку 5GM5, а также специальные исполнения с индивидуальными экранами …3/E и концентрическим общим экраном …kon.

When engineers first encounter the AS/NZS 2802 standard for electric reeling and trailing cables used in mining and general industrial applications, a seemingly contradictory requirement immediately stands out. The standard mandates the exclusive use of electrolytic multiple-stranded circular flexible tinned copper wire conductors, explicitly rejecting aluminium despite its well-documented weight advantages. Given that aluminium weighs approximately 30 percent of copper's mass for equivalent electrical resistance, this specification appears counterintuitive, particularly for mobile mining equipment where weight reduction directly translates to improved fuel efficiency, reduced structural loading, and enhanced operational flexibility. 当工程师首次接触AS/NZS 2802标准时，用于采矿和一般工业应用的电动卷筒和拖缆，一个看似矛盾的要求立即凸显出来。该标准强制要求专门使用电解多股圆形柔性镀锡铜线导体，明确拒绝使用铝材，尽管铝的重量优势有充分记录。

Technical Department

on29/01/2026

Aluminium Conductors: Why Are Aluminium Conductors Strictly Prohibited in AS/NZS 2802 Trailing Cables Despite the Weight Savings?

When engineers first encounter the AS/NZS 2802 standard for electric reeling and trailing cables used in mining and general industrial applications, a seemingly contradictory requirement immediately stands out. The standard mandates the exclusive use of electrolytic multiple-stranded circular flexible tinned copper wire conductors, explicitly rejecting aluminium despite its well-documented weight advantages. Given that aluminium weighs approximately 30 percent of copper’s mass for equivalent electrical resistance, this specification appears counterintuitive, particularly for mobile mining equipment where weight reduction directly translates to improved fuel efficiency, reduced structural loading, and enhanced operational flexibility. 当工程师首次接触AS/NZS 2802标准时，用于采矿和一般工业应用的电动卷筒和拖缆，一个看似矛盾的要求立即凸显出来。该标准强制要求专门使用电解多股圆形柔性镀锡铜线导体，明确拒绝使用铝材，尽管铝的重量优势有充分记录。

The question of whether NSSHÖU cables require CE marking for European surface mining operations involves a nuanced understanding of European Union electrical equipment regulations. NSSHÖU cables, manufactured according to the German standard DIN VDE 0250 Part 812, are heavy-duty rubber-sheathed flexible cables specifically designed for mining and industrial applications where extreme mechanical stress, abrasion resistance, and environmental durability are essential operational requirements. NSSHÖU电缆在欧洲露天采矿作业中是否需要CE标志的问题涉及对欧盟电气设备法规的细致理解。NSSHÖU电缆根据德国标准DIN VDE 0250第812部分制造，是专门为采矿和工业应用设计的重型橡胶护套柔性电缆，在这些应用中，极端的机械应力、耐磨性和环境耐久性是基本的操作要求。

Technical Department

on28/01/2026

CE Marking: Do NSSHÖU Cables Require a CE Mark for Use in European Surface Mining Operations?

The question of whether NSSHÖU cables require CE marking for European surface mining operations involves a nuanced understanding of European Union electrical equipment regulations. NSSHÖU cables, manufactured according to the German standard DIN VDE 0250 Part 812, are heavy-duty rubber-sheathed flexible cables specifically designed for mining and industrial applications where extreme mechanical stress, abrasion resistance, and environmental durability are essential operational requirements. NSSHÖU电缆在欧洲露天采矿作业中是否需要CE标志的问题涉及对欧盟电气设备法规的细致理解。NSSHÖU电缆根据德国标准DIN VDE 0250第812部分制造，是专门为采矿和工业应用设计的重型橡胶护套柔性电缆，在这些应用中，极端的机械应力、耐磨性和环境耐久性是基本的操作要求。