Since you cannot use Canopus Xplode in CS5, editors typically look to these modern solutions for similar 3D effects:
Before its obsolescence, Canopus Xplode was the industry standard for high-end 3D digital video effects (DVE). It offered: canopus xplode for premiere pro cs5
Canopus Xplode was a popular transition and effects plugin for earlier versions of Adobe Premiere, it is fundamentally incompatible with Premiere Pro CS5 Key Compatibility Issues Architecture Mismatch : Premiere Pro CS5 was the first version to move to a 64-bit architecture Since you cannot use Canopus Xplode in CS5,
Would you like suggestions for modern transition/effect packs that work in Premiere Pro (any version) instead? canopus xplode for premiere pro cs5
Adobe Premiere Pro CS5: A review - Streaming Learning Center