The best protection against damage from overvoltages and power surges! The Smart Surge with dual line polarity tester, provides a 4-mode, 900 joules and 39,000 amp surge current rating. the built-in surge status indicator notes the condition of the surge protector. The dual line polarity tester checks the status of the source prior to use. Fully automatic, no reset buttons, or nuisance tripping problems. Sleek, compact, portable design makes its easy to use and install. 120V/50A rating.

4" W x 12" L x 3" H

1 year manufacturer warranty

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