Interroll DL Series - General Technical Information; Product Description; Options; Dimensions of DL Series Drum Motor

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Version 1.2 (08/2022) en
Translation of original operating instructions
General technical information
3 General technical information
3.1 Product description
The drum motor is a completely enclosed electrical drive roller. It replaces external components such as motors and
gears, which require frequent maintenance.
Thedrummotorcanbeusedinenvironmentswithhighcoarseandnedustexposureaswellasexposedtowaterjets
and spraying water and is resistant to most aggressive ambient conditions. In harsh environments and environments
with salt water, only stainless steel motors should be used. Thanks to its protection rating of IP66 and its stainless steel
design (upon request), the drum motor is also suitable for use in the food processing and pharmaceutical industries, as
well as for applications with high hygienic demands. The drum motor can be used with or without a drum coating to
increasefrictionbetweendrummotorandconveyorbelt,orwithaprolecoatingtodriveform-tdrivenbelts.
DL series drum motors are driven by an asynchronous three-phase induction motor. That motor is available at
dierentpowerlevelsandformostinternationalsupplyvoltages.
The drum motor contains oil as lubricant and coolant which dissipates the heat via the drum shell and the conveyor
belt.
3.1.1 Options
Integrated thermal overload protection
A thermal circuit breaker integrated in the winding head protects against overheating. The switch trips if the motor
overheats. However, it must be connected to a suitable external control device that interrupts the power supply to the
motor in case of overheating.
3.2 Dimensions of DL series drum motor
Some dimensions are listed as „FW+”. FW is the abbreviation for „Face Width” (drum width). This information is
located on the type plate of the drum motor.
All length-related dimensions in the catalog and in these operating instructions comply with the requirements of DIN/
ISO 2768 (medium quality).
The recommended distance between the mounting brackets (EL) while taking into account the maximum
thermal expansion and internal tolerances is EL + 2 mm.