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ISOLATORS-EX
3.6 TECHNICAL FEATURES AUXILIARY CONTACTS
Fam. Serie ISOLATORS-EX
590.X****** (20-32-40A)
590.XH****** (63A)
590.X****** (20-32-40A)
590.XH****** (63A)
4. INSTALLATION
Installation must be carried out by suitably trained personnel in compliance with applicable laws.
The plant-engineering standards for environments classified against the risk of explosion due to the presence of combustible
dust must be followed (e.g.: EN 60079-14, or other national standards/regulations).
Comply with the rules of generally accepted engineering practice for the installation of electrical material, national safety
rules and the safety instructions contained in this manual whenever working on the unit. Before opening the cover of
the switch - disconnector in enclosure, always disconnect the power supply voltage or check that the atmosphere is not
hazardous. These operations must be carried out by suitably trained and expert personnel.
4.1 INSTRUCTIONS FOR SAFE USE
The IP degree of protection of the switch - disconnector in enclosure must be maintained by using suitable cable glands and
gaskets and by complete compliance with the installation and maintenance instructions/standards. The equipment must not
be altered in any manner; in particular no holes may be drilled other than the existing ones.
The cable glands used must be suitable for the cable entries (see point 4.6). Store the product in the warehouse inside its
original packaging to protect it from dust and humidity.
The switch - disconnector in enclosure must be installed intact and free of any damage, so that the dust does not penetrate inside it.
Instructions for correct installation of the switch - disconnector in enclosure:
1) Read the Instructions for installation, use and maintenance regarding the switch - disconnector in enclosure.
2) Using the fastening dimensions shown in Figure 1, mark the positions of the fastening holes on the installation wall.
3) Drill the fastening holes on the installation wall and thread the holes (if required).
4) Remove the device from the package and check that it has not been damaged during transport.
5) Check that the cover and base are clean and free of defects.
6) Make sure that the gasket between cover and base is intact.
7) Place the base in the assembly position on the installation wall, using any assistance necessary in order to prevent accidents.
8) Fasten the apparatus by repeating the following operations for each fastening hole:
a) insert the clamping screw into the fastening hole;
b) tighten the bolt or tighten the clamping screw completely.
9) Check that the fastening is secure.
10) Proceed with the assembly of the cable glands (if not preassembled) following the manufacturer's instructions.
11) Insert the cables in the apparatus, being careful to secure the amour of the cables (if applicable).
12) Proceed with the wiring according to the wiring diagram issued to the installer. Before closing the switch - disconnector in
enclosure.
13) Check that all foreign materials have been removed from inside: do not leave these instructions inside.
14) Check that the gaskets are intact and installed properly.
15) Close the cover by tightening the screws appropriately in order to guarantee the IP degree of protection. The tightening torque
of the screws is 2.5 Nm.
16) Store these instructions in a safe location for future reference.
MP36511
Technical features auxiliary contacts type 590.PL00400
Auxiliary contact
1NC or 1NO
1NC or 1NO
2NC or 2NO
2NC or 2NO
Corrente prelevabile
Max 2A
Max 2A
Max 1A
Max 1A
13
Note
With 1 Auxiliary contacts
the maximum current
is 2A
With 2 Auxiliary contacts
the maximum current
is 1A each
ZP90828-5