Skip ribbon commands
Skip to main content

Updated April 2017


Padmount equipment – Maximum setback distances

5A – Transformers

​Maximum distance between the driving surface and the nearest edge of the transformer base ​Service Size (Amps)
1-Phase
3-Wire
120/240 V
3-Phase
4-Wire
208Y/120 V​
3-Phase
4-Wire
480Y/277 V
3-Phase
4-Wire
600Y/347 V​
​9.0 m ​All ​Up to 400 A ​Up to 200 A ​Up to 100 A
​7.0 m ​Up to 1,000 A ​​Up to 400 A ​Up to 200 A
​5.0 m ​Up to 1,600 A ​​​Up to 600 A ​Up to 600 A
​3.0 m ​Up to 2,000 A ​Up to 1,000 A ​Up to 1,200 A
​2.0 m ​Up to 3,000 A ​Up to 3,000 A ​Up to 3,000 A

 

  • Multiple services – Contact EDTI Customer Engineering Services for applicable setback distances.
  • Distances specified are applicable to roadway / parking lot installations only.
  • For alcove installations, reference Drawing 3 and contact EDTI Customer Engineering Services for applicable setback / vehicle clearance distances.

​5B - Switching cubicles

​Maximum distance between the driving surface and the nearest edge of the switching cubicle base ​Switching cubicle
​9.0 m ​All except automated cubicles
  • Distances specified are applicable to roadway / parking lot installations only.
  • Contact EDTI Customer Engineering Services for setback distances for automated cubicles.