H05Z-U / H07Z-U / H07Z-R

Application and Description

These cables are 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.

Generally install in pipes or ducts and internal wiring of appliances with maximum operating temperature of 90o C, and generally 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 gasses when burnt which is particularly important where electronic equipment is installed.

Standard and Approval

  • NF C 32-102-9
  • CE Low Voltage Directive 73/23/EEC and 93/68/EEC
  • ROHS compliant

Cable Construction

H07Z-U H07Z-U
Solid bare copper single wire to IEC 60228 Cl-1(H05Z-U / H07Z-U)
Bare copper strands to IEC 60228 Cl-2 (H07Z-R)
Cross-link polyolefin EI5 core insulation
Cores to VDE-0293 colors
LSOH - low smoke, zero halogen

Technical Characteristics

  H07Z-R
Working voltage 300/500v (H05Z-U), 450/750v (H07Z-U / H07Z-R)
Test voltage 2500 volts
Flexing bending radius 15 x O
Static bending radius 10 x O
Flexing temperature +5oC to +90oC
Short circuit temperature +250oC
Flame retardant NF C 32-070
Insulation resistance 10 MΩ x km

Cable Parameter

AWG No. of Cores x Nominal Cross Sectional Area Nominal Thickness of Insulation Nominal Overall Diameter Nominal Copper Weight Nominal Weight
  # x mm^2 mm mm kg/km kg/km
H05Z-U
20 1 x 0.5 0.6 2.0 4.8 8
18 1 x 0.75 0.6 2.2 7.2 12
17 1 x 1 0.6 2.3 9.6 14
H07Z-U
16 1 x 1.5 0,7 2.8 14.4 20
14 1 x 2.5 0,8 3.3 24 30
12 1 x 4 0,8 3.8 38 45
10 1 x 6 0,8 4.3 58 65
8 1 x 10 1,0 5.5 96 105
H07Z-R
16(7/24) 1 x 1.5 0.7 3.0 14.4 21
14(7/22) 1 x 2.5 0.8 3.6 24 33
12(7/20) 1 x 4 0.8 4.1 39 49
10(7/18) 1 x 6 0.8 4.7 58 71
8(7/16) 1 x 10 1 6.0 96 114
6(7/14) 1 x 16 1 6.8 154 172
4(7/12) 1 x 25 1.2 8.4 240 265
2(7/10) 1 x 35 1.2 9.3 336 360
1(19/13) 1 x 50 1.4 10.9 480 487
2/0(19/11) 1 x 70 1.4 12.6 672 683
3/0(19/10) 1 x 95 1.6 14.7 912 946
4/0(37/12) 1 x 120 1.6 16.0 1152 1174
300MCM(37/11) 1 x 150 1.8 17.9 1440 1448
350MCM(37/10) 1 x 185 2.0 20.0 1776 1820
500MCM(61/11) 1 x 240 2.2 22.7 2304 2371
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