Safety Instructions - Scame ZENITH-P Guía De Instalación, Uso Y Mantenimiento

ZENITH-P

3.1 SAFETY INSTRUCTIONS

The IP rating of the enclosure shall be maintained for the area of installation by the use of correct arrangement of cable-gland and
blanking plug elements & sealing and in accordance with the installation rules. Where other certified components are part of the
assembly, the user must take account of any limitation listed on relevant certificates.
Where other certified components are part of the assembly, the user must take account of any limitation listed
on relevant certificates.
The enclosure must be installed in absence of damage and free of defects.
3.2 ACCESSORIES
The installation of the accessories must be performed before the installation of the enclosure, and following the relevant instruction
sheets.
Accessories available:
• Backplates made of zinc plated steel
• Mounting bracket made of stainless steel AISI 316
• Earth continuity plate (internal) made of zinc plated steel - Available also in brass or copper
• Earth-stud (stud, nuts and plain washer) made of brass - Available in stainless steel AISI 316
• Breather/drain valve with separate certificate. ( Approved by SCAME )
• Cable-glands and blanking-plugs with separate certificate.
• Mounting bracket for terminal block made of zinc plated steel, brass, copper or stainless steel.
• Earth Terminal bar.
• Pad-lockable kit for enclosure. (Additional external accessory).
Only approved and genuine SCAME accessories must be used.
3.2.1 Earth Terminal Bar
Earth terminal bar is made in copper with stainless steel screw in order to connect cable from 0.5mm² to 35mm², as indicated
in the following table.
The wire shall be terminated with a crimping lugs.
For Clearance distance refer to table 4.
The minimum cross section area of PE conductors shall be following the table:
Cross-sectional area
of phase conductors, S mm
16 < S ≤ 35
Table - 2
Torque Values
Maximum Cable Cross
Section
2.5 mm²
6 mm²
16 mm²
35 mm²
Table - 3
MP39690
2
S ≤ 16
S > 35
Earth-Bar Screw
M4
M4
M5
M6
Minimum cross-sectional area of the corresponding
protective conductor, Sp mm
Pitch
10 mm
11 mm
13 mm
18 mm
16
2
S
16
0,5 S
Torque Nm
1.2
1.2
2
2.5
ZP91043-2