Well yes, the Phasesaber does have the word Saber in it, it's different from the lightsaber.
According to a Phaseonic research lab document "Phasesabers are powered by the earths magnetic field (it Suprisingly heals the magnetic field) giving it the advantage of all the time usage, being more powerful then Energy swords, and being the only weapon of the plasma weapon family to be able to absorb explosions then send out a Shockwave of the same power, Have a Phaseonic guide beam, and have less then 12 resistant alloys"