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ISOLATORS-EX
DO NOT make any holes in additions to the factory-supplied ones.
5. USE, MAINTENANCE AND REPAIRS
The inspection and maintenance of this ISOLATORS-EX Series switch-disconnector in metal enclosure must be carried out by
duly trained personnel in accordance with the highest standards and according to plant-engineering and maintenance rules
for environments classified against the risk of explosion due to the presence of combustible dust (for example: EN 60079-14,
EN 60079-17, or other national standards/regulations).
When carrying out routine maintenance, always check the components responsible for the degree of protection.
All repairs of this device must be carried out by suitably trained personnel according to the highest standards.
5.1 PADLOCK TO BE USED
For proper lockability of the rotary switch, use only padlocks with arch diameter from 6.3 to 7.5 mm.
5.2 ROUTINE MAINTENANCE
Routine maintenance is necessary in order to guarantee proper operation and the maintenance of the degree of protection of the
switch-disconnector in metal enclosure.
- Check that the gasket is intact every time the enclosure is opened.
- Check that the closing screws are all in place and well-tightened every time the enclosure is closed.
- Make sure that the screws/bolts used to fasten the enclosure to the wall are well-tightened and corrosion-free on a yearly basis.
- Check the seal of the cable glands on a yearly basis.
- Check for any damage to the enclosure on a yearly basis.
- Make sure the screw terminals are tightened as indicated in Table 2.
- In environments where combustible dust is present, the outer surface of the enclosure must be cleaned periodically, preventing
the deposited dust from reaching a thickness of more than 5 mm.
Storage conditions:
Storage Temperature : from -25°C to +70°C for products with minimum ambient temperature -25°C.
Relative Humidity : ≤95%RH
Storage time 20 years.
The estimated product lifetime is 25 years if maintenance and storage condition are respected and all prescriptions specified
applied in this instructions .
5.3 CHEMICAL ATTACK
The ISOLATORS-EX Series switch-disconnectors in metal enclosures have been manufactured using:
- Container in die-cast aluminium for base and cover, satin-finish shell.
- Switch facing: thermoplastic PC+ siloxane.
- Rotary switch: thermoplastic PA6.6 charged with fibreglass.
- Thermoplastic rubber for the base-cover gasket.
- Vulcanized rubber for rotary switch gaskets.
- Screws in AISI316 stainless steel, 2 or 4 in number.
The environment where the device will be installed must be considered carefully in order to ascertain the compatibility of these
materials with the presence of chemical agents or corrosive atmospheres.
5.4 DISPOSAL
The product must be disposed of in compliance with national rules on the disposal and recycling of industrial waste.
MP37129
17
ZP90829-7
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