Inaccurate?

Construct Energy Ward, Greater

(Eberron Campaign Setting, p. 109)

Abjuration
Level: Artificer 4, Warforged 5,
Components: S,
Casting Time: 1 round
Range: Touch
Target: Construct touched
Duration: 10 minutes/level or until discharged
Saving Throw: Will negates (harmless)
Spell Resistance: Yes (harmless)

As protection from energy, except that the target must be a construct.