Used on the following models:

Matrix Fitness
T3x - T3x-05-G2 - 110V 2005 (MTM68BMXT3X)
T3x - T3x-05-G2 - 220V 2005 (MTM68BMXT3X)
T3x - T3x-06-G3-110 - 2006-2008 (TM94)
T3x - T3x-06-G3-220 - 2006-2008 (TM94)
T3xi - T3xi-06-G3-220 - 2006-2008 (TM94B)
T3xi - T3xi-08-G3 - 2006-2008 (TM504)