H05Z-K / H07Z-K

Application and Description

These cables are designed for the internal wiring of switchboards and distributor boards with an alternating nomnal 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

  • CEI 20-19/9
  • HD 22.9 S2
  • BS 7211
  • IEC 60754-2
  • EN 50267
  • CE Low Voltage Directive 73/23/EEC and 93/68/EEC
  • ROHS compliant

Cable Construction

H05Z-K H05Z-K
Fine bare copper strands
Strands to VDE-0295 Class-5, IEC 60228 Class-5 BS 6360 cl. 5, HD 383
Cross-link polyolefin EI5 core insulation
LSOH - low smoke, zero halogen

Technical Characteristics

Working voltage 300/500 volts(H05Z-K)
  450/750v (H07Z-K)
Test voltage 2500 volts
Flexing bending radius 8 x O
Static bending radius 8 x O
Flexing temperature -15o C to +90o C
Static temperature -40o C to +90o C
Flame retardant IEC 60332.1
Insulation resistance 10 MΩ x km
Flame test Smoke density acc. to EN 50268 / IEC 61034
  Corrosiveness of combustion gases acc. to EN 50267-2-2, IEC 60754-2
  flame-retardant acc. to EN 50265-2-1, IEC 60332.1

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-K
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
H07Z-K
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
500MCM(1225/24) 1 x 240 2,2 28.3 2304 2400
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