Conditions of installation Diagram
IM V17 (IM 2111)
IM V18 (IM 3611)
Note
Motors up to shaft height 200 may be operated in a vertical or horizontally inclined position.
Vertical types of construction may be inclined through ±45 ° from the vertical axis, and
horizontal types of construction ±45 ° from the horizontal axis. When doing this, forces listed in
the catalog for vertical types of construction or the congured forces should be taken into
consideration.
A canopy may be necessary for explosion-proof motors.
If condensation drain holes are provided, ensure that condensate can be freely discharged or
that sealed condensate holes are also opened.
3.3.7 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.
3.3.7.1 Degree of protection for explosion-proof machines
Machines intended for use in Zone 1 (increased safety "e" or "eb") or in Zone 2 (type of protection
"nA" or "ec") are designed with an IP55 degree of protection.
Machines intended for use in Zone 21 (dust explosion protection "tb") and Group IIIC have IP 65
degree of protection. Machines intended for use in Zone 22 (dust explosion protection "tc") and
Group IIIB have IP 55 degree of protection and can be used in dusty environments such as in
mills, silos, animal feed plants, and malthouses, as well as in certain areas of the chemical
industry.
3.3.8 Environmental conditions
Limit values for the standard version
Relative humidity for ambient temperature T
amb
40°C
Max. 55 %
Ambient temperature -20°C to +40°C
Description
3.3Installation
1MB..1/2/3/4 - shaft heights 63 ... 355
34 Operating Instructions, 11/2023, A5E52779900A
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