Originally Posted by IanH Hi
The motor is a DC motor. the rating plate says:- 130v, 37A, 4000rpm 
It's UK 230-240 volt AC |

130v at 37a is a 4kw (~6.5hp) motor? Sure its not 3.7A?
It sure doesn't look THAT big.
From the apparent size in the pic. I would think that 37a is the demagnetization point, not the stall torque current.
Al.