Question about Wilton Floor, #2 MT Spindle, Chuck and Arbor, 220/440V, 3PH, 3HP Motor with Rotary Drum Switch

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I have a 220/440 v single phase 2.2Kw ac motor driving the

Hydraulic pump on a 3 tonnes Tecalemit car lift. It replaces a 1.5Kw 3 phase motor. Problem is that although same speed it is inclined to stall under load and seems to lack the power of the old 3 phase.
The motor is a GEC Kapak Stayrite D100L. The motor case has 9 wires coming out of it to 4 terminations in the connector box plus one to the capacitor. These are: terminal 1:black A3,F8,Unmarked live feed currently on this. Terminal 2: Black 22, Redunmarked. Terminal 3: Black A2 and A41, currently connected to the neutral feed. Terminal 4: one Black and one Red both unmarked.
Can you advise whether or not it is connected correctly to give maximum starting and running torque on 220 volt 50Hz please

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  • Farley Redfield
    Farley Redfield May 11, 2010

    Im going to take a stab at this not seeing the motor leaves me at a disadvantage though.

    Is it really 3 phase? 3 hot lines? are you using HIGH voltage or the lower voltage? Does the plate that goes over the terminals have  a diagram for the wires on it? Should have numbers on it letters wont make any sence to me.


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Read the 'How To' Blog on - this should help you.

Posted on May 20, 2009

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