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.
Two models are available to accommodate different voltage requirements, environments and applications; the CRT-T-40 (non-explosion proof) or XRT-T-40 (explosion proof)
Features and Options:
AC/DC Relay
Indoor, Outdoor
Explosion proof
UL Listed
FCC registered
Accepts RJ-11 phone plug
Remote control by touch tone phones can be used to control almost anything!