UL Subject 497B

Original price was: $260.41.Current price is: $130.00.

Standard for Protectors for Data Communications and Fire-Alarm Circuits (CSDS Proposal, 12/23/2016)

Underwriters Laboratories , 12/23/2016

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Original price was: $133.94.Current price is: $66.00.

Standard for Protectors for Data Communications and Fire-Alarm Circuits (CSDS Proposal, 10/26/2012)

Underwriters Laboratories , 10/26/2012

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Original price was: $294.70.Current price is: $147.00.

Standard for Protectors for Data Communications and Fire-Alarm Circuits (CSDS Proposal, 6/27/2008)

Underwriters Laboratories , 06/27/2008

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Original price was: $195.88.Current price is: $97.00.

Standard for Protectors for Data Communications and Fire-Alarm Circuits (Bulletin, 11/1/2007)

Underwriters Laboratories , 11/01/2007

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Original price was: $258.34.Current price is: $129.00.

Standard for Protectors for Data Communications and Fire-Alarm Circuits (Bulletin, 12/14/2007)

Underwriters Laboratories , 12/14/2007

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