Interroll Drum motor series i, S, S/A, D
Version 4.1 (06/2015) en-US 
Translation of original instruction manual
3
Table of Contents
Introduction   7
Information about the manual   7
Contents   7
The instruction manual is part of the product   7
Warning notices in this manual   7
Symbols   8
Safety   9
State of the art   9
Intended use   9
Unintended use   9
Personnel qualification   10
Operators   10
Service personnel   10
Electricians   10
Dangers   10
Bodily injury   10
Electricity   10
Oil   10
Rotating parts   10
Hot motor parts   11
Working environment   11
Faults during operation   11
Maintenance   11
Accidental motor start   11
Interfaces to other devices   11
General technical information   12
Product description   12
Options   12
Technical data   13
Product identification   13
Thermal protection   14
Standard design: Temperature limiter, automatically switching back   14
Optional version: PTC (positive temperature coefficient)   15
Use of 50-Hz motors on 60-Hz supply system   15
Effect of using a motor with 50-Hz rated motor voltage on a 60-Hz 
supply system   15
Effect of using a motor with 50-Hz rated motor voltage on a 60-Hz 
supply system with 15/20 % higher voltage   16
i-series product information   17
Type plate of i-series drum motor   17