EN
ZENITH-P
MP39689
ZP91042-2
17
- When separation is accomplished by distance, then the clearance between terminals shall be at last 50mm. Care shall be
applied in the layout of terminals and in the wiring method used so that contact between circuits is unlikely if a wire become
dislodged.
- When separation is accomplished by use of un insulating partition or earthed metal partition, the partitions used shall extend
to within 1,5mm of the walls of the enclosure, or alternatively provide a minimum distance of 50mm between the terminals
when taken in any direction around the partition.
When separate intrinsically safe circuits are present, the clearance distance between bare conducting parts of external connection
facilities shall meet the following:
• at least 6 mm between the separate intrinsically safe circuits
• at least 3 mm from earthed parts.
3.5 TERMINAL SERVICE TEMPERATURE
When terminals are installed within a:
•
T6
enclosure they shall be rated for a minimum of
+80°C
.
•
T5
enclosure they shall be rated for minimum of
+95°C
.
•
T4
enclosure they shall be rated for minimum of
+105°C
.
3.6 CABLE GLANDS, BLANKING PLUGS, ADAPTERS
Use only Ex eb and/or Ex tb approved glands, blanking plugs and adapters (as relevant). Certified cable glands, blanking plug
and adapters elements can only be fitted with a suitable IP rating commensurate with IP rating of the enclosure.
Ensure that all the cable-glands used, shall be suitable for the cable in order to prevent self-loosening and ensure
permanent sealing to avoid moisture ingress. (The safety instruction of the Cable Glands, Blanking Plugs, and adapters
must be applied).
Any unused entries must be blanked using suitably approved blanking plugs with separate certificate.
The maximum number of cable glands or blanking plug elements can be fitted is indicated on Table 5.
On demand is possible to drill the bottom.
3.6.1 Maximum Cable-Entries
TOP SIDE A
REAR SIDE F
RIGHT SIDE B
BOTTOM SIDE C
LEFT SIDE D
