H07Z1-K Cable

H07Z1-K Cable
Details:

Greater Wire is a professional LSZH cable manufacturer, offering a wide range of cables. LSZH cables are flame-retardant, low-smoke, halogen-free, and comply with fire safety regulations.
• Conductor: multi-strand Class 5 copper conductor (flexible) conforming to IEC 60228 and other standards.
• Insulation: HFFR, which is halogen-free, low-smoke, and fire-resistant.
• Core: Single core
• Voltage: 450/750 V
• Standard: BS EN 50525-3-31
• Operating temperature range: -40℃-70℃
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Description
Technical Parameters
Certification
h07z1-k

 

H07Z1-K Cable 
H07Z1-K cable is a halogen-free, low-smoke, single core cable. Compared to the H05Z1-K (300/500V), H07Z1-K cable has an increased rated voltage of 450/750V, a thicker conductor, and thicker insulation (from 1.5mm² to 240mm² or even greater). The cable utilizes a stranded, flexible copper conductor that complies with EN 60228 Class 5 and is covered with halogen-free, low-smoke (LSZH/HFFR) insulation. It meets the flame-retardant requirements of EN 50525-3-31 and IEC 60332-3, emitting virtually no toxic or corrosive gases under fire conditions.

 

Application
 
H07Z1-K Application Areas
 
  • Suitable for fixed installation (not for towing or mobile use).
  • Public buildings and crowded places, such as hospitals, schools, shopping malls, and airports, require low smoke, low corrosive gases, and halogen-free emissions.
  • Control cabinets, switchboards, and internal wiring of machinery and equipment: For use within machine tools, distribution cabinets, lighting circuits, and electromechanical equipment control circuits.
  • As a grounding/equipotential bonding cable: In some outdoor or special environments, the H07Z1-K is also used as a grounding cable.
  • Laying Methods: Suitable for installation in pipes, conduits, behind switchboards, in trays, or cable trays; in dry environments.
h07z1-k for airport
Airports
h07z1-k for hospitals
hospitals
h07z1-k for subway
subways
H07Z1-K for Commercial Complexes
Commercial Complexes

 

 

 

Certification

 

 

H07Z1-K cable has received numerous international and European certifications, complying with the EN 50525-3-31 standard. Its technical specifications and performance have been harmonized and approved by European national electrotechnical committees, allowing it to be freely circulated and used throughout the EU. In a fire, it releases virtually no toxic or corrosive gases and produces extremely low smoke density, verifying the cable's electrical safety, flame retardancy, and environmental friendliness.

H07Z1-K certificated

 

Package
h07z1-k  LSZH cable Packaging
H07Z1-K wire Package

H07Z1-K cables are typically packaged on wooden drums or heavy-duty plastic reels to accommodate larger conductor sizes and longer continuous lengths. For smaller cross-sections, neatly coiled bundles are available for easier handling during installation. Each package is securely sealed with stretch or shrink film to prevent moisture intrusion, dust, and physical abrasion.

 

 

Factory

Greater Wire is a H07Z1-K cable manufacturer with 30+ years of experience in electrical cable manufacturing. We utilize advanced production technology to manufacture finely stranded, grade 5 copper conductors and high-quality LSZH insulation, resulting in superior flexibility, mechanical strength, and fire resistance. We offer custom designs, diverse packaging options, and flexible supply quantities for global OEM and project customers. Whether used in hospitals, transportation hubs, data centers, or control systems, our H07Z1-K cables provide reliable, safe, and efficient power transmission.

In addition, Greater Wire Manufacturer offers a wide range of electrical wire and cable. Our product portfolio includes THHN/THWN building wires, solar PV cables, silicone rubber cables, armored cables, XLPE insulated cables, rubber or PVC flexible cables, and submersible pump cables and others, all designed to perform reliably under various installation environments. Whether for residential wiring, renewable energy systems, industrial automation, or infrastructure projects, etc.

h07z1-k cable manufacturer

 

 

FAQ

 

Q: What's the difference between the H05Z1-K and H07Z1-K?

A: H05Z1-K is 300/500v, and Conductor Size Range 0.5 mm² – 1.0 mm², a light-duty halogen-free flexible wire for low-voltage indoor applications.

H07Z1-K is 450/750V, and Conductor Size Range 1.5 mm² – 240 mm², a medium-duty version designed for higher voltage and more demanding fixed installations such as in hospitals, airports, or industrial plants.

Q: Can you use a HO7Z1-K cable outside?  

A: H07Z1-K cable is generally not recommended for direct outdoor use. It is a halogen-free, low-smoke, single-core installation cable designed primarily for indoor fixed installations, such as inside conduits, control panels, switchboards, or buildings requiring enhanced fire safety (hospitals, airports, schools).

H07Z1-K is an indoor-use cable; outdoor installation requires protective measures, otherwise a different H07 cable type should be selected.

 

 

 

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h07z1-k cable

Nominal Cross

Sectional Area

(Sq. mm)

Nominal Thickness

of Insulation

(mm)

Mean Overall Diameter Approx. Cable
Weight
(kg/km)
Lower Limit (mm) Upper Limit (mm)
1.5 0.7 2.8 3.4 21.5
2.5 0.8 3.4 4.1 33.5
4 0.8 3.9 4.8 48
6 0.8 4.4 5.3 67
10 1.0 5.7 6.8 113
16 1.0 6.7 8.1 171
25 1.2 8.4 10.2 262
35 1.2 9.7 11.7 360
50 1.4 11.5 13.9 513
70 1.4 13.2 16.0 705
95 1.6 15.1 18.2 931
120 1.6 16.7 20.2 1175
150 1.8 18.6 22.5 1264
185 2.0 20.6 24.9 1783
240 2.2 23.5 28.4 2341

 

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