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RZ1-K and RZ1-K (AS) Cables

The RZ1-K (or RZ1K) is a flexible power and control cable designed for indoor fixed applications with a voltage rating is 0.6/1kV and 1.8/3kV. The RZ1-K is manufactured with Class 5 copper conductors - the flexibility of this stranding facilitates installations with sinuous courses, including in underground supply networks for outdoor lighting. This cable is not suitable for direct burial.

The Low Smoke Zero Halogen (LSZH) Polyolefin oversheath creates a high safety cable that will not emit toxic fumes and smoke in the event of fire, making it appropriate for installations such as buildings and public areas where there is a high concentration of people or valuable equipment.

This cable generally has a green outersheath which is UV stable and suitable for direct exposure to sunlight. It is also available with black sheathing.

RZ1-K (AS) Cable Specification

R XLPE insulation
Z1 Halogen free thermoplastic Polyolefin
K Flexible conductor

The designation (AS) references the flame retardant properties of the cable, meeting not only the single vertical flame test of IEC 60332-1-2 (as RZ1-K), but also the bunched cables fire test of IEC 60332-3-24. 

The RZ1-K is increasingly specified for infrastructure projects across Europe, but is originally designed for the Spanish market, being manufactured in accordance with UNE 21123-4 - the standard for XLPE insulated and polyolefin sheathed power cables.

RZ1-K (AS) Technical Datasheets

For full technical specifications on the RZ1-K  cables’ other core sizes including the 2-core, 3-core, 4-core and 5-core variations, with and without earth, please refer to the datasheets below or speak to our technical team for more advice. 

This forms part of our wide range of European fire safety power and control cables, including the armoured RZ1MZ1-K cable. Please contact us for technical support with selecting the optimal cable and accessories for your application.

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Construction Table

  RZ1-K Cable CS RZ1-K 0.6/1kV Cable CS RZ1 K (AS) XLPE LSZH Flexible1.8 3Kv Cable RZ1-K (AS) 1.8/3kV Cable




Class 5 flexible stranded Copper


XLPE (Cross-linked Polyethylene)


Polyolefin LSZH (Low Smoke Zero Halogen)

RZ1-K and RZ1-K (AS) Cables

2 product(s)


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Product name Part No Cores Nominal cross-sectional area (mm²) Sheath colour Length (m)  
RZ1-K 0.6/1kV CableA9R01025LS12.5Green
RZ1-K 0.6/1kV CableA9R01040LS14Green
RZ1-K 0.6/1kV CableA9R01060LS16Green
RZ1-K 0.6/1kV CableA9R0110LS110Green
RZ1-K 0.6/1kV CableA9R0116LS116Green
RZ1-K 0.6/1kV CableA9R0125LS125Green
RZ1-K 0.6/1kV CableA9R0135LS135Green
RZ1-K 0.6/1kV CableA9R0150LS150Green
RZ1-K 0.6/1kV CableA9R0170LS170Green
RZ1-K 0.6/1kV CableA9R0195LS195Green
RZ1-K 0.6/1kV CableA9R01120LS1120Green
RZ1-K 0.6/1kV CableA9R01150LS1150Green
RZ1-K 0.6/1kV CableA9R01185LS1185Green
RZ1-K 0.6/1kV CableA9R01240LS1240Green
RZ1-K 0.6/1kV CableA9R01300LS1300Green
RZ1-K 0.6/1kV CableA9R01400LS1400Green
RZ1-K 0.6/1kV CableA9R01500LS1500Green
RZ1-K 0.6/1kV CableA9R01630LS1630Green
RZ1-K 0.6/1kV CableA9R02015LS21.5Green
RZ1-K 0.6/1kV CableA9R02025LS22.5Green
RZ1-K 0.6/1kV CableA9R02040LS24Green
RZ1-K 0.6/1kV CableA9R02060LS26Green
RZ1-K 0.6/1kV CableA9R0210LS210Green
RZ1-K 0.6/1kV CableA9R0216LS216Green
RZ1-K 0.6/1kV CableA9R0316LS316Green
RZ1-K 0.6/1kV CableA9R0325LS325Green
RZ1-K 0.6/1kV CableA9R0335LS335Green
RZ1-K 0.6/1kV CableA9R0350LS350Green
RZ1-K 0.6/1kV CableA9R0370LS370Green
RZ1-K 0.6/1kV CableA9R03015LS3+E1.5Green
RZ1-K 0.6/1kV CableA9R03025LS3+E2.5Green
RZ1-K 0.6/1kV CableA9R03040LS3+E4Green
RZ1-K 0.6/1kV CableA9R03060LS3+E6Green
RZ1-K 0.6/1kV CableA9R0310LS3+E10Green
RZ1-K 0.6/1kV CableA9R0416LS416Green
RZ1-K 0.6/1kV CableA9R0425LS425Green
RZ1-K 0.6/1kV CableA9R0435LS435Green
RZ1-K 0.6/1kV CableA9R0450LS450Green
RZ1-K 0.6/1kV CableA9R0470LS470Green
RZ1-K 0.6/1kV CableA9R0495LS495Green
RZ1-K 0.6/1kV CableA9R04120LS4120Green
RZ1-K 0.6/1kV CableA9R04150LS4150Green
RZ1-K 0.6/1kV CableA9R04185LS4185Green
RZ1-K 0.6/1kV CableA9R04240LS4240Green
RZ1-K 0.6/1kV CableA9R04015LS4+E1.5Green
RZ1-K 0.6/1kV CableA9R04025LS4+E2.5Green
RZ1-K 0.6/1kV CableA9R04040LS4+E4Green
RZ1-K 0.6/1kV CableA9R04060LS4+E6Green
RZ1-K 0.6/1kV CableA9R0410LS4+E10Green
RZ1-K 0.6/1kV CableA9R05015LS51.5Green
RZ1-K 0.6/1kV CableA9R05025LS52.5Green
RZ1-K 0.6/1kV CableA9R05040LS54Green
RZ1-K 0.6/1kV CableA9R05060LS56Green
RZ1-K 0.6/1kV CableA9R0510LS510Green
RZ1-K 0.6/1kV CableA9R0516LS516Green
RZ1-K 0.6/1kV CableA9R0525LS525Green
RZ1-K 0.6/1kV CableA9R0535LS535Green
RZ1-K 0.6/1kV CableA9R0550LS550Green
RZ1-K (AS) 1.8/3kV CableA9R01095/3KVBK195Black
RZ1-K (AS) 1.8/3kV CableA9R01120/3KVBK1120Black
RZ1-K (AS) 1.8/3kV CableA9R01150/3KVBK1150Black
RZ1-K (AS) 1.8/3kV CableA9R01185/3KVBK1185Black
RZ1-K (AS) 1.8/3kV CableA9R01240/3KVBK1240Black
RZ1-K (AS) 1.8/3kV CableA9R01300/3KVBK1300Black
RZ1-K (AS) 1.8/3kV CableA9R01400/3KVBK1400Black
RZ1-K (AS) 1.8/3kV CableA9R01095/3KVGN195Green
RZ1-K (AS) 1.8/3kV CableA9R01120/3KVGN1120Green
RZ1-K (AS) 1.8/3kV CableA9R01150/3KVGN1150Green
RZ1-K (AS) 1.8/3kV CableA9R01185/3KVGN1185Green
RZ1-K (AS) 1.8/3kV CableA9R01240/3KVGN1240Green
RZ1-K (AS) 1.8/3kV CableA9R01300/3KVGN1300Green
RZ1-K (AS) 1.8/3kV CableA9R01400/3KVGN1400Green