H05Z-K / H07Z-K German Standard LSZH Cable , 300/500V & 450/750V – VDE

Low Voltage Power Cables

German Standard Industrial Cable H05Z-K / H07Z-K

Product Overview

The H05Z-K and H07Z-K are German standard industrial cables designed for the internal wiring of switchboards and distributor boards with an alternating nominal voltage up to 1000 Volts or a direct voltage up to 750 volts. They are generally installed in pipes or ducts and for internal wiring of appliances with a maximum operating temperature of 90°C.

These cables are generally used in areas (such as public and government buildings) where smoke and toxic fumes may cause a threat to life and equipment. The cables produce no corrosive gases when burnt, which is particularly important where electronic equipment is installed.

The cables are manufactured to <HAR> HD 22.9 S2, VDE-0282 Part-9, BS 7211, IEC 60754-2, EN 50267, VDE 0482-267, and comply with the CE Low Voltage Directive 73/23/EEC and 93/68/EEC. They are also ROHS compliant.

Features & Benefits

  • LSZH Construction: Low smoke, zero halogen (LSOH) insulation and construction minimise toxic fumes and smoke in fire conditions.

  • No Corrosive Gases: Produces no corrosive gases when burnt, protecting electronic equipment.

  • High Temperature Resistance: Maximum operating temperature of 90°C.

  • Flame Retardant: Complies with EN 50265-2-1 and IEC 60332.1.

  • Cross-Linked Polyolefin Insulation: EI5 core insulation for enhanced thermal and electrical performance.

  • Flexible Conductors: Fine bare copper strands to VDE-0295 Class-5, IEC 60228 Class-5, BS 6360 cl. 5, and HD 383.

  • Voltage Ratings: 300/500V (H05Z-K); 450/750V (H07Z-K).

  • Test Voltage: 2500 volts.

  • Insulation Resistance: 10 MΩ x km.

  • Low Smoke Emission: Smoke density according to EN 50268 / IEC 61034.

  • Low Corrosiveness: Corrosiveness of combustion gases according to EN 50267-2-2, IEC 60754-2.

  • ROHS Compliant: Meets environmental and health requirements.

  • Standard Compliant: <HAR> HD 22.9 S2, VDE-0282 Part-9, BS 7211, and related standards.

Typical Applications

  • Internal wiring of switchboards and distributor boards

  • Alternating nominal voltage up to 1000 Volts or direct voltage up to 750 volts

  • Installation in pipes or ducts

  • Internal wiring of appliances with maximum operating temperature of 90°C

  • Public and government buildings where smoke and toxic fumes may cause a threat

  • Areas where electronic equipment is installed (no corrosive gases when burnt)

Construction

  • Conductor: Fine bare copper strands

  • Stranding: VDE-0295 Class-5, IEC 60228 Class-5, BS 6360 cl. 5, HD 383

  • Insulation: Cross-link polyolefin EI5 core insulation

  • Halogen-Free: LSOH – low smoke, zero halogen

Technical Specifications

Electrical & Thermal Characteristics

Parameter Value
Working Voltage 300/500V (H05Z-K); 450/750V (H07Z-K)
Test Voltage 2500 volts
Flexing Bending Radius 8 x Ø
Static Bending Radius 8 x Ø
Flexing Temperature -15°C to +90°C
Static Temperature -40°C to +90°C
Insulation Resistance 10 MΩ x km
Smoke Density EN 50268 / IEC 61034
Corrosiveness of Combustion Gases EN 50267-2-2, IEC 60754-2
Flame Test Flame-retardant acc. to EN 50265-2-1, IEC 60332.1

Parameter Table – H05Z-K

AWG No. of Cores x Nominal Cross Sectional Area (mm²) Nominal Thickness of Insulation (mm) Nominal Overall Diameter (mm) Nominal Copper Weight (kg/km) Nominal Weight (kg/km)
20 (16/32) 1 x 0.5 0.6 2.3 4.8 9
18 (24/32) 1 x 0.75 0.6 2.5 7.2 12.4
17 (32/32) 1 x 1 0.6 2.6 9.6 15

Parameter Table – H07Z-K

AWG No. of Cores x Nominal Cross Sectional Area (mm²) Nominal Thickness of Insulation (mm) Nominal Overall Diameter (mm) Nominal Copper Weight (kg/km) Nominal Weight (kg/km)
16 (30/30) 1 x 1.5 0.7 3.5 14.4 24
14 (50/30) 1 x 2.5 0.8 4 24 35
12 (56/28) 1 x 4 0.8 4.8 38 51
10 (84/28) 1 x 6 0.8 6 58 71
8 (80/26) 1 x 10 1.0 6.7 96 118
6 (128/26) 1 x 16 1.0 8.2 154 180
4 (200/26) 1 x 25 1.2 10.2 240 278
2 (280/26) 1 x 35 1.2 11.5 336 375
1 (400/26) 1 x 50 1.4 13.6 480 560
2/0 (356/24) 1 x 70 1.4 16 672 780
3/0 (485/24) 1 x 95 1.6 18.4 912 952
4/0 (614/24) 1 x 120 1.6 20.3 1152 1200
300 MCM (765/24) 1 x 150 1.8 22.7 1440 1505
350 MCM (944/24) 1 x 185 2.0 25.3 1776 1845
500 MCM (1225/24) 1 x 240 2.2 28.3 2304 2400

Note: All values are as provided in the source specification. Actual dimensions and weights may vary within standard manufacturing tolerances.

Standards & Compliance

  • <HAR> HD 22.9 S2

  • VDE-0282 Part-9

  • BS 7211

  • IEC 60754-2

  • EN 50267

  • VDE 0482-267

  • CE Low Voltage Directive 73/23/EEC and 93/68/EEC

  • ROHS Compliant

  • Flame Retardant: EN 50265-2-1, IEC 60332.1

  • Smoke Density: EN 50268 / IEC 61034

  • Corrosiveness of Combustion Gases: EN 50267-2-2, IEC 60754-2

Ordering Information

To request a quote or place an order, please provide the following information:

  • Product Type: H05Z-K or H07Z-K

  • Voltage Rating: 300/500V (H05Z-K) or 450/750V (H07Z-K)

  • Conductor Size: e.g., 1 x 0.5 mm², 1 x 1.5 mm², 1 x 240 mm²

  • Conductor: Fine bare copper strands, Class 5

  • Insulation: Cross-link polyolefin EI5

  • Quantity: Total length in meters