The 1U Power transformer kit consists of a dual-primary (universal), toroidal transformer and all of the components needed mount it and hook it up.  FiveFish offers this kit as a package deal with the PSU-2448 and PSU-4488 power supply kits.

Image courtesy of FiveFish Studios

Notable Features:

• Dual primaries (115+115) enable 110/220v operation
• Fits in a 1RU case
• Includes:
  • Mounting hardware
  • LED and holder
  • Power switch
  • IEC power inlet
  • Fuse and holder
• Double-insulated primary leads

Price: $39

• $75 for kit + PSU-2448 or PSU-4488

More information at fivefishstudios.com.