Henan Donglian Cable Co., Ltd.
Fire Resistant Cables
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Fire Resistant Cables

Reference product range for fire resistant cables, organized for technical comparison and project enquiries.

Fire Resistant Cables

TOXFREE® PLUS 331 LSZH RZ1-K (AS+) FR2

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.

Open Air. Buried. In conduit.

Category Fire Resistant Cables
Brand TOXFREE® (reference)
Voltage 0.6/1 kV
Conductor Electrolytic annealed copper, class 5 (flexible) according to EN 60228 and IEC 60228
Standards IEC 60502-1, UNE 211025
Applications Open Air. Buried. In conduit.
Updated 2026-07-28

Technical overview

Key product information for comparison, engineering review and quotation preparation.

Product description

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.

MaterialCopper, class 5 (flexible)
ConductorElectrolytic annealed copper, class 5 (flexible) according to EN 60228 and IEC 60228
InsulationMica tape + Cross-linked polyethylene type XLPE according to IEC 60502-1
Outer SheathLow smoke halogen free and fire resistant polyolefin. Orange colour
Rated Voltage0.6/1 kV
Maximum Conductor Temperature90 °C
Maximum Short-Circuit Temperature250 (max. 5 s) °C
Minimum Service Temperature-40 (fixed and protected installations) °C
Minimum Installation Temperature0 °C
Flame Non-PropagationFlame non-propagation according to EN 60332-1 / IEC 60332-1
Fire Non-PropagationFire non-propagation according to EN 60332-3 / IEC 60332-3 and EN 50399
Fire ResistantFire resistant (PH120) minimum 120 minutes at 840°C according to IEC 60331-2 / EN 50200 (cable diameter ≤ 20 mm) and IEC 60331-1 / EN 50362 (cable diameter > 20 mm). BS 6387 Category C (180 minutes at 950°C) W & Z
CPR ClassificationB2ca-s1a, d1, a1 or Cca-s1b, d1, a1 (according to cross-section) according to EN 50575
Halogen FreeHalogen free according to EN 60754-1 / IEC 60754-1
Low Corrosive Gases EmissionLow corrosive gases emission according to EN 60754-2 / IEC 60754-2
Low Smoke EmissionLow smoke emission according to UNE-EN 61034 / IEC 61034
Light Transmittance> 60%
Minimum Bending Radius5x cable diameter
Impact ResistanceAG2 Medium severity
Chemical & Oil ResistanceAcceptable
UV ResistanceUV Resistant according to EN 50618
Water ResistanceAD5 Jets
Installation ConditionsOpen Air. Buried. In conduit.
Standards (According To)IEC 60502-1, UNE 211025
Standards and ApprovalsAENOR, RoHS, CE
Typical ApplicationsEmergency circuits, Fire alarm systems, Tunnels

Reference source: Top Cable public product page. This local entry is a technical reference and does not imply manufacturing ownership of the referenced trademark.

Key characteristics

Electrical performance 0.6/1 kV
Conductor Electrolytic annealed copper, class 5 (flexible) according to EN 60228 and IEC 60228
Standards IEC 60502-1, UNE 211025
Applications Open Air. Buried. In conduit.
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Typical applications

Use-case guidance to understand where this product fits best.

TOXFREE® PLUS 331 LSZH RZ1-K (AS+) FR2

Open Air. Buried. In conduit.

Reference application: Open Air. Buried. In conduit..

TOXFREE® PLUS 331 LSZH RZ1-K (AS+) FR2

Fire Resistant Cables

Reference application: Fire Resistant Cables.

TOXFREE® PLUS 331 LSZH RZ1-K (AS+) FR2

Fire Resistant Cables

Reference application: Fire Resistant Cables.

Why choose this cable

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Quality

Quality

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Engineering

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Value

Value

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