Grundfos MS Series User Manual

English (GB)
12
5.5.2 PSC motors
PSC motors are connected to the mains via a run
capacitor that must be sized for continuous
operation.
Select the correct capacitor size from the table
below:
MS402 PSC motors with output power less than
1.1 kW incorporate motor protection and must be
connected to the mains as shown in fig. 9.
Fig. 9 PSC motors
5.5.3 3-wire motors
MS402 3-wire motors incorporate motor protection
and must be connected to the mains via a Grundfos
SA-SPM 5, 7 or 8 control box without motor
protection.
MS4000, MS6000 3-wire motors must be connected
to the mains via a Grundfos SA-SPM 5, 7 or 8 control
box incorporating motor protection.
When a conventional motor-protective circuit breaker
is used, the electrical connection must be carried out
as described below.
Fig. 10 CSIR
Fig. 11 CSCR
Motor [kW] Capacitor
0.25 12.5 μF / 400 V / 50 Hz
0.37 16 μF / 400 V / 50 Hz
0.55 20 μF / 400 V / 50 Hz
0.75 30 μF / 400 V / 50 Hz
1.10 40 μF / 400 V / 50 Hz
1.50 50 μF / 400 V / 50 Hz
2.20 75 μF / 400 V / 50 Hz
TM00 1359 5092
1 Yellow and green
2Grey
3Brown
4Black
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Grundfos MS Series Specifications

General

Brand	Grundfos
Model	MS Series
Category	Engine
Language	English