Shop By Category:Phone Relays Switch:Phone Controls Wheelock telephone relays and controls activate various appliances when a telephone ring voltage is detected. Two models are available to accommodate different voltage requirements, environments and applications.
5 Item(s)
Wheelock Audible Control Units for Tip And Ring Monitoring and Alerting
Wheelock Series CA Common Audible Control Units monitor multiple analog telephone lines (tip and ring) to provide all call signaling, zoned signaling or night bell connection. These control units also enable connection for operation of external audible or visual alerts to be operated directly off the telephone ring voltage output.
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Wheelock Weatherproof AC / DC Telephone Relay
The Wheelock CRT-T-40 weatherproof AC/DC telephone relay will activate various appliances when a telephone ring voltage is detected. Remote control your thermostat, appliances and other electric or electronic devices using a touch tone telephone. Touch tone signals are received and activate the relay used to turn appliance power on or off. Other uses are; change temperature settings, control lighting, gate operation, etc.
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Wheelock Audible Control Units
Wheelock Series CA Common Audible Control Units monitor multiple analog telephone lines (tip and ring) to provide all call signaling, zoned signaling or night bell connection. These control units also enable connection for operation of external audible or visual alerts to be operated directly off the telephone ring voltage output.
Read More
