Reference product range for fire resistant cables, organized for technical comparison and project enquiries.
Open Air, Buried, In conduit
Key product information for comparison, engineering review and quotation preparation.
Reference specification for RZ1C4Z1-K (AS+) in the Fire Resistant Cables range. Confirm final construction, standards and sizing for the actual project before ordering.
| Material | Copper, class 5 (flexible) |
|---|---|
| Conductor | Copper, class 5 (flexible) according to EN 60228 and IEC 60228 |
| Insulation | Mica Tape + XLPE |
| Separation Sheath | Polyolefin LSZH |
| Screen | Overlapping aluminium-polyester tape screen with 100% coverage + tinned copper drain wire |
| Outer Sheath | Polyolefin LSZH and fire resistant, Orange |
| Rated Voltage | 0.6/1 kV |
| Maximum Conductor Temperature | 90°C |
| Maximum Short-Circuit Temperature | 250°C (max. 5 s) |
| Minimum Service Temperature | -40°C (fixed and protected installations) |
| Minimum Installation Temperature | 0°C |
| Flame Non-Propagation | according to EN 60332-1 / IEC 60332-1 |
| Fire Non-Propagation | according to EN 60332-3 / IEC 60332-3 |
| Fire Resistance | PH120 minimum 120 minutes at 840°C; Fire resistant category C (180 minutes at 950°C) |
| CPR Classification | B2ca-s1b,d2,a1 according to EN 50575 |
| Halogen Free | according to EN 60754-1 / IEC 60754-1 |
| Low Corrosive Gases Emission | according to EN 60754-2 / IEC 60754-2 |
| Low Smoke Emission | according to EN 61034 / IEC 61034 |
| Minimum Bending Radius | 5x cable diameter |
| Impact Resistance | AG2 Medium severity |
| Chemical and Oil Resistance | Acceptable |
| UV Resistance | Yes, according to EN 50618 |
| Water Resistance | AD5 Jets |
| Installation Conditions | Open Air, Buried, In conduit |
| Standards (According to) | IEC 60502-1 |
| Standards and Approvals | CE, RoHS |
| Typical Applications | Emergency circuits, High-occupancy buildings, Industrial facilities |
Reference source: Top Cable public product page. This local entry is a technical reference and does not imply manufacturing ownership of the referenced trademark.
Use-case guidance to understand where this product fits best.
Reference application: Open Air.
Reference application: Buried.
Reference application: In conduit.
Service and manufacturing advantages that support the product decision.
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Balanced cost and product performance for long-term projects.
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Reference specification for RZ1-K (AS+) FR2 in the Fire Resistant Cables range. Confirm final construction, standards and sizing for the actual project before ordering.
Reference specification for ROZ1-K (AS+) in the Fire Resistant Cables range. Confirm final construction, standards and sizing for the actual project before ordering.
Reference specification for RZ1C4Z1-K (AS+) in the Fire Resistant Cables range. Confirm final construction, standards and sizing for the actual project before ordering.