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USP, TLMR, Telephone Line Monitoring Relay, Detects Break in phone line, works with all Alarm Contr

USP, TLMR, Telephone Line Monitoring Relay, Detects Break in phone line, works with all Alarm Contr

The TLMR from USP is a Telephone Line Monitoring Relay, Detects Break in phone line, works with all Alarm Controls. Notifies of disconnection after 17 seconds delay, due to cut telephone lines or excessive drops in voltage.Normally closed or normally...

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