Available models
STC-12400II   400W   ±12V DC Input
 Available models
STC-24400II   400W   ±24V DC Input
 Available models
STC-48450II   450W   ±48V DC Input
 Available models
STC-120450II   450W   ±120V DC Input
 Available models
STC-220450II   450W   ±220V DC Input