More than 5 million Ohio Brass polymer housed MOV normal duty, heavy duty and riser pole (for URD cable protection) arresters have been installed - providing a substantially lower failure rate, safer operation and better contamination performance than porcelain counterparts.

The OB patented triple-seal design virtually eliminates moisture ingress, which causes 86% of porcelain arrester failures. Fewer failures mean better cost effectiveness. In fact, you can reduce total ownership costs by 10 percent per arrester by using Ohio Brass arresters because of higher porcelain replacement costs. In addition, the exclusive OB MOV block formulation gives you the lowest watts loss, while providing excellent, consistent lightning protection.

With 20 years of polymer experience and our quality design, you will see significant advantages by using our polymer-housed PDV and PVR arresters.

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