Visible Break Transformers

PTI Transformers offers an innovative, under-oil visible break design for padmount transformers equipped with two-position loadbreak switches. The result is an increase to operator safety and a potential decrease to costs.

The visible break feature allows operators to verify contact position through a sealed viewing window. The large viewing area, contained within a separate grounded metal enclosure, shows the open/close position of the loadbreak switch. Key interlock features on PTI’s Visible Break Transformer provides the operator safer access to the viewing window while the unit is energized.

As a result of these optimized safety features, operators feel more secure when performing maintenance work. Depending on local electrical code, the viewing features on PTI’s Visible Break Transformer may eliminate the need for a separate switch upstream, therefore saving costs. PTI can also provide a low voltage breaker giving the customer a complete unit substation package.

PTI’s design complies with service entrance requirements in local jurisdictions.

For mining duty or other applications PTI can supply a detachable skid base. The Visible Break Transformer design is compliant with CSA and IEEE manufacturing standards. PTI’s vision for innovative transformer technology is increasing its customers’ safety, while saving them costs.