MTE Corporation

MTE FAQ
Technical Support

How do I cross-reference between your competitor’s reactors and the MTE reactors?

Direct cross-reference, solely on the basis of the Part Number, and in absence of the details of the application, is counter-productive.

Larger rated Non-MTE reactors may have to be selected due to lack of the Service Factor. Their % Impedance rating is based on that larger current, thus providing lower Effective Impedance at the actual FLA (which corresponds to MTE’s I_F ).

E.g.: 460 Volt, 3-Phase, 75 HP, 5% Impedance required. The Motor draws 96 FLA; the Drive (varies widely from one Drive model to another) may require TRMS of 130 Amperes. MTE would select RL-10003. The competitor without the Service Factor would have to choose 130 Amp or larger. The next suitable competing size may be 150 Amps. Even if the % Impedance value listed by a competitor is true (sometimes calculations will show that the competing model, given the stated amount of inductance, is not even delivering that much), such value is based on 150 Amps. Therefore, at 100 Amps, the competing unit will deliver only 3% Effective Impedance or less, whereas RL-10003 will deliver 5%.

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