
THREE-PHASE INDUCTION MOTORS MA SERIES
SINGLE-PHASE INDUCTION MOTORS MR, SS AND MRS SERIES
The induction motors MA, MR, SS and MRS series are designed for general purpose. They are self-ventilated;
the frame size 56mm, 63mm, 71mm, 80mm, 90mm,100mm,112mm and 132mm.
The series are designated as follows:
MA series – three-phase induction motors
MR series – single-phase induction motors with running capacitor
SS series – single-phase induction motors with starting capacitor
MRS series – single-phase induction motors with running and starting capacitor.
BASIC CHARACTERISTIC
Powersupply:
three-phase: 400/230 V – 50Hz
single-phase: 220-240V / 50Hz
Design for other voltage and frequencies is possible
Protection Degree: IP 54 / IP 55
Insulation Class: “F”
Standard forms: B3, B5, B14, B3/B5 and B3/B14
OPERATING CONDITIONS
The motors are designed to operate in Temperate Climate (Class “N”) attemperaturesfrom -25oC to + 40oC,
maximum altitude (above sea level) 1000m, and maximum relativehumidity 85%.
Standards
IEC: 60034-5:2007; 60034-1:2010; 1143:1985; 10881-85