HUBBELL ELECTRICAL PRODUCTS
Killark, A Division of Hubbell Inc. (Delaware)
2112 Fenton Logistics Park Blvd.
Fenton, Missouri 63026 USA
INSTALLATION, OPERATION &
MAINTENANCE DATA SHEET
SERIES VSIH
ATTACHMENT PLUGS
P/N KIL00921520 FORM NO. K1520 R07/21 ECO-7-012-21
Page
7
of
7
5.4
CREEPAGE AND CLEARANCE DISTANCES
All wiring must be carried out in accordance with the code of practice and installation stanndards in
hazardous areas like IEC/EN 60079-14. Use the correct size of tool and torque (see manufacturer
documents) for tightening the terminal clamps (screwdriver or spanner). Creepage and clearance
distances shall comply with IEC/EN 60079-7 (Table 1). Electrical parameters shall not exceed the
maximum allowed.
Note:
Minimum creepage and clearance distances that shall be maintained to conductive parts or other live parts are:
Minimum Creepage
Minumum Clearance
250V
5mm
250V
5mm
400V
8mm
400V
6mm
500V
10mm
500V
8mm
630V
12mm
630V
10mm
Note:
Voltages are nominal voltages
– the working voltage may exceed by 10% the voltage level given.
6
SERVICING AND MAINTENANCE AND REPAIRING
6.1
ROUTINE MAINTENANCE
Routine maintenance is required to guarantee the efficiency of the enclosure and to maintain the
required level of protection.
1) Check that the sealing ring
is in place and not damaged…each time the enclosure is opened.
2)
Check that all the fixing screws are in place and secured…each time the enclosure is closed.
3)
Check that the mounting screws are tight and free of corrosion…annually.
4) Check the body
for damage…annually.
5) In Zones where combustible dust is present, it is necessary to periodically clean the upper surface
of the box, limiting the depth of the dust layer to less than 5 mm.
Storage Conditions:
Storage Temperature: from -50
o
C to +70
o
C for 16A/32A
Storage Temperature: from -35
o
C to +70
o
C for 63A/125A
Relative Humidity:
≤95% RH
The estimated product lifetime is 10 years if storage conditions are respected and all routine care and
maintenance practices specified in this manual are applied.
6.2
RESISTANCE TO CHEMICAL AGENT
Consideration should be given to the environment in which these enclosures are to be used to determine
the suitability of these materials to withstand any corrosive agents that may be present.
6.3
DISPOSAL
Disposal and recycling of the product shall be carried out according to national regulations .
