Forced Ventilation (Optional); Degree Of Protection - Siemens SIMOTICS XP 1LA5 Compact Operating Instructions

3.5

Forced ventilation (optional)

Forced ventilation (optional): Type of cooling IC 416 in accordance with
EN / IEC 60034-6
Cooling that does not depend on the speed is achieved by means of a separately
driven fan wheel (forced ventilation). Forced ventilation does not depend on the
operating state of the machine.
The fan wheel for the external flow of cooling air is powered by an independent
module and is enclosed by the fan cover.
3.6 Safety instructions for types of
construction/Installation conditions for
explosion-proof machines
Types of construction/Installation conditions for explosion-proof machines
The type of construction of the machine is stated on the rating plate.
In the case of explosion-proof machines where the shaft extensions point downwards
(types of construction IM V5, IM V1 or IM V18 ) a protective top cover is mandatory.
Explosion-proof machines with IM V5, IM V1 and IM V18 types of construction are
fitted with a canopy at the factory.
3.7

Degree of protection

The machine has a type of protection as stamped on the rating plate, and can be
installed in dusty or humid environments.
Machines intended for use in Zone 1 (type of protection Flameproof Enclosure "d" or
Increased Safety "e") or in Zone 2 (type of protection "n") are designed with IP 55
degree of protection.
Machines intended for use in Zone 21 have IP 65 degree of protection. Machines
intended for use in Zone 22 have IP 55 degree of protection and can be used in
dusty environments such as grinders, silos, animal feed plants, and malthouses, as
well as in certain areas of the chemical industry.
Explosion-protected machines
56100000002002, 01/2016
Description
87