INSTRUCTIONS AND MAINTENANCE MANUAL
MAC R MOTORS
PAGE:
25
CODE: CTT12 EDITION: 01 DATE: MAY 2013
Subject to technical changes without prior notice
3.7
Electrical specifications
3.7.1
Windings and insulation
MAC R motor coil windings are made up of enamelled copper wires rated with F-type insulation class.
They are impregnated using single-component epoxy resins that polymerise on the basis of temperature, also
class F.
The windings are insulated from the stator core by class-F insulation paper. Special care is also taken with the
insulation between each phase.
This insulation system guarantees appropriate dielectric resistance for the motor to work with frequency
converters, even on the most critical applications.
3.7.2
Connections
The connections between the windings and the terminal box are made using a flexible cable. The welds of the
contacts are also protected by a double layer of fibreglass insulation pipe with class-F fibreglass impregnation.
