Electric Motor Nameplate Details

The nameplate for a two pole 15 kw motor may have the following important data.

Electric motor nameplate details.

The drive shaft bearing is located close to where the drive shaft extends out of the motor. There may be two bearing specifications on a motor nameplate the drive shaft bearing and the opposite drive shaft bearing. Iec standards the motor standards can be grouped into two major categories. The frame size provides a standard for details such as the location of mounting holes a height of the shaft above the mounting plate etc.

In most countries it is a requirement for manufacturers to display all information on the motor s nameplate but often this is not the case. Manufacturer s type and frame designation nema defines standard frame sizes. The rated output of the asynchronous motor. Nema and iec and its derivatives.

The full load amps fla full load current flc or rated load current rlc of an ac induction motor all three terms refer basically to the same thing is the current drawn by the electric motor when it is operated at the rated load rated voltage and rated frequency ac motors as found on the motor nameplate. The rated output of the motor is 15 kw i e. This name plate shows a frame size 326t. Motor nameplate is normally located on all produced electric motors.

Figure 1 typical induction motor nameplate information. In north america the national electric manufacturers association nema sets motor standards including what should go on the nameplate nema standard mg 1 10 40. The difference between these two is the location in the motor. The motor is able to supply a shaft output of at least 15 kw if connected to the mains supply as indicated.

Your motor nameplate may include bearing information.