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United Security TLMR Telephone Line Monitoring Relay

United Security TLMR Telephone Line Monitoring Relay
UNITED SECURITY PRODUCTS
UNITED-SECURITY-TLMR
 
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Custom orders usually ship in 1-2 weeks.

Reviews:

0 [0]
The United Security TLMR telephone line monitoring relay notifies of disconnection after 17 seconds delay, due to cut telephone lines or excessive drops in voltage.