Products & Solutions

Harmonized Cables

H05Z-K 300/500 V and H07Z-K 450/750 V

H05Z-K and H07Z-K harmonized cables use flexible stranded copper conductors with low-smoke, halogen-free insulation. Their flame-retardant and low-smoke properties are intended to support safer internal wiring in buildings and confined spaces.

Cable Structure

Conductor: Fine-stranded plain copper, Class 5, to VDE 0295 / IEC 60228
Insulation: Flame-retardant, low-smoke, halogen-free EI5 LSZH compound
Colours: Green/yellow, blue, black, brown, grey, orange, pink, red, violet, white, green, yellow or other colours
Flame propagation: Zero halogen IEC 60754-2 and flame-retardant test as per IEC 60332-1

Technical Data

Parameter	Specification
Operating Temperature	−30°C to +90°C
Nominal Voltage	H05Z-K: 300/500 V; H07Z-K: 450/750 V
Test Voltage	H05Z-K: 2500 V; H07Z-K: 2500 V
Insulation Resistance	Minimum 10 MΩ × km
Minimum Bending Radius	4 × cable diameter

Applications

Fixed installation in conduits and under plaster
Appliance wiring and distribution stations
Lamps, devices, switchgear cabinets and distribution boxes

Standard Packing

Harmonized cable source lists coils of 100 m and 200 m in carton boxes or reels for most single-core variants. The H05VV-F / H05V2V2-F page lists 100, 200, 500 and 1000 m reels.

Cable Features

Special heat-resistant thermosetting insulation
Low smoke and halogen-free construction
High current-carrying capacity
Reduced heat-energy radiation
High flexibility
Resistance to moisture, abrasion, grease and oil
Good mechanical and electrical properties
Zero-halogen test per IEC 60754-2; flame propagation test per IEC 60332-1

H05Z-K (300/500 V) — Technical Sizes

Size (mm²)	Strands / Diameter (Nom.)	Insulation Thickness (mm, Nom.)	Outer Diameter (mm, Approx.)	Max. Copper Resistance (Ω/km)
0.5	16/0.200	0.60	2.10	39.00
0.75	24/0.200	0.60	2.20	26.00
1	32/0.200	0.60	2.70	19.50

H07Z-K (450/750 V) — Technical Sizes

Size (mm²)	Strands / Diameter (Nom.)	Insulation Thickness (mm, Nom.)	Outer Diameter (mm, Approx.)	Max. Copper Resistance (Ω/km)
1.5	30/0.250	0.70	3.25	13.30
2.5	50/0.250	0.80	3.80	7.98
4	56/0.300	0.80	4.50	4.95
6	84/0.300	0.80	5.25	3.30
10	140/0.300	1.00	6.50	1.91
16	224/0.300	1.00	8.00	1.21
25	350/0.300	1.20	10.10	0.780
35	490/0.300	1.20	11.30	0.554
50	703/0.300	1.40	13.50	0.386
70	988/0.300	1.40	15.30	0.272
95	1349/0.300	1.60	18.00	0.206
120	608/0.500	1.60	19.80	0.161
150	760/0.500	1.80	22.30	0.129
185	943/0.500	2.00	23.90	0.106
240	1225/0.500	2.20	26.80	0.0801

Source note: conductor wire counts are approximate and wire diameters nominal; the reference states that conductor resistance should satisfy the applicable IEC 60228 / DIN VDE 0295 / IS 8130 / BS 6360 requirements.