A step-up transformer is a transformer that has a primary voltage that is lower than the secondary voltage. 

So, if your building is wired with 208v but you need 480v to power a large machine, you'll need a step-up transformer to boost the voltage from 208v to 480v.

Pad mounted transformer, single phase pad mounted transformer Liquid transformer Dry type transformer Surge arrester Lightning arrester Distribution transformer Power transformer Paid mounted transformer High voltage switchgear Low voltage switchgear Skid mounted transformer Mother coil Silicone steel plate Single phase transformer Three phases transformer 

Pad mounted transformer, single phase pad mounted transformer Liquid transformer Dry type transformer Surge arrester Lightning arrester Distribution transformer Power transformer Paid mounted transformer High voltage switchgear Low voltage switchgear Skid mounted transformer Mother coil Silicone steel plate Single phase transformer Three phases transformer 

Pad mounted transformer, single phase pad mounted transformer Liquid transformer Dry type transformer Surge arrester Lightning arrester Distribution transformer Power transformer Paid mounted transformer High voltage switchgear Low voltage switchgear Skid mounted transformer Mother coil Silicone steel plate Single phase transformer Three phases transformer 

Pad mounted transformer, single phase pad mounted transformer Liquid transformer Dry type transformer Surge arrester Lightning arrester Distribution transformer Power transformer Paid mounted transformer High voltage switchgear Low voltage switchgear Skid mounted transformer Mother coil Silicone steel plate Single phase transformer Three phases transformer 

Pad mounted transformer, single phase pad mounted transformer Liquid transformer Dry type transformer Surge arrester Lightning arrester Distribution transformer Power transformer Paid mounted transformer High voltage switchgear Low voltage switchgear Skid mounted transformer Mother coil Silicone steel plate Single phase transformer Three phases transformer 

Pad mounted transformer, single phase pad mounted transformer Liquid transformer Dry type transformer Surge arrester Lightning arrester Distribution transformer Power transformer Paid mounted transformer High voltage switchgear Low voltage switchgear Skid mounted transformer Mother coil Silicone steel plate Single phase transformer Three phases transformer 

Pad mounted transformer, single phase pad mounted transformer Liquid transformer Dry type transformer Surge arrester Lightning arrester Distribution transformer Power transformer Paid mounted transformer High voltage switchgear Low voltage switchgear Skid mounted transformer Mother coil Silicone steel plate Single phase transformer Three phases transformer 

Pad mounted transformer, single phase pad mounted transformer Liquid transformer Dry type transformer Surge arrester Lightning arrester Distribution transformer Power transformer Paid mounted transformer High voltage switchgear Low voltage switchgear Skid mounted transformer Mother coil Silicone steel plate Single phase transformer Three phases transformer 

Pad mounted transformer, single phase pad mounted transformer Liquid transformer Dry type transformer Surge arrester Lightning arrester Distribution transformer Power transformer Paid mounted transformer High voltage switchgear Low voltage switchgear Skid mounted transformer Mother coil Silicone steel plate Single phase transformer Three phases transformer 

Pad mounted transformer, single phase pad mounted transformer Liquid transformer Dry type transformer Surge arrester Lightning arrester Distribution transformer Power transformer Paid mounted transformer High voltage switchgear Low voltage switchgear Skid mounted transformer Mother coil Silicone steel plate Single phase transformer Three phases transformer 

Pad mounted transformer, single phase pad mounted transformer Liquid transformer Dry type transformer Surge arrester Lightning arrester Distribution transformer Power transformer Paid mounted transformer High voltage switchgear Low voltage switchgear Skid mounted transformer Mother coil Silicone steel plate Single phase transformer Three phases transformer