American Built. Ronk Solid.
Ronk Solid

Stray Voltage Isolator

Ronk BLOCKER® is designed to reduce the off-site contributions to the stray voltage, allowing the utility to focus on the on-site sources.

Reduce Off-site Contributions With

Ronk BLOCKER® Stray Voltage Isolator

Ronk BLOCKER® provides secondary fault protection access to secondary grounding systems for dispersal of lightning, to protect sensitive locations: dairies, homes, swimming pools, fountains, swine parlors, poultry farms. Extremely durable and reliable, our products have years of field experience with hundreds installed nationwide.

Blocker

BLOCKER® Stray Voltage Isolator SVI-50 11V

Reduces stray voltage. Blocking voltage 11V

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Blocker

BLOCKER® Stray Voltage Isolator SVI-50 22V

Reduces stray voltage. Blocking voltage 22V

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RONK SOLID PERFORMANCE.

Reliability and safety of electrical systems have never been more important. Ronk's American designed and assembled products are durable, efficient and last for decades.

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