The Ditek Time Clock Surge Protector
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Maximum Voltage: 500V, 720 Joules
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UL and CUL rated
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Diagnostic indicator light - indicates if it is grounded, or not.
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ISO 9001 certified
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40,000 amp capacity
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Recommended for time clocks, fax machines, and computers
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Commonly found on commercial business security systems
Note: Shipping is free only if this is ordered withsome otherproduct or machine.