SPX3940R-3.3 SPX3940R-3.3/TR SPX3940R-5.0 SPX3940R-5.0/TR SPX3940R-L-3.3 SPX3940R-L-3.3/TR SPX3940R-L-5.0 SPX3940R-L-5.0/TR SPX3940T SPX3940T-1.8