Description

Rigid (H07Z-U, H07Z-R) or flexible (H07Z-K) single-core cable for fixed laying with low emission of smoke and toxic corrosive gases.

Conductor
Plain copper solid conductor, class 1 (H07Z-U)
Plain copper stranded wire, class 2 (H07Z-R)
Plain copper flexible wire, class 5 (H07Z-K)

Insulation
LS0H rubber compound, EI5 quality
LS0H = Low Smoke Zero Halogen

Cores Colour
All single colours and yellow/green combination allowed

Technical Characteristics

Nominal voltage Uo/U: 450/750 V

Maximum operating temperature: 90°C
Minimum installation temperature: 5°C

Maximum short circuit temperature: 250°C
Maximum tensile stress: 50 N/mm2

Minimum bending radius:
6 x maximum external diameter (H07Z-U, H07Z-R)
4 x maximum external diameter (H07Z-K)

Use and Installation

For environments containing a large number of people when is needed protection against emission of smoke and toxic corrosive gases in case of fire, like schools, offices, theatres, subways, hospitals, worship places, shopping centres and places of public entertainment.

Allowed for voltages up to 1000 V a.c. and 750 V d.c., for fixed and protected laying inside lighting devices and switch/control systems.

Suitable for running inside visible or recessed ducts, only for signal or control circuits. Avoid skin contact if operating at high temperatures. (ref. CEI 20-40, HD 516)