FK322 Telephone Cut-off Timer Kit (1-20min)

This kit when assembled provides a circuit which will disconnect the phone line after a pre-set period adjustable between 1-20 minutes. At the end of the set time limit, a warning will sound for 2 seconds, and after a further 20 seconds will disconnect the line for a period of 10 seconds. The unit is powered directly from the telephone line-in and does not require any other power supply. Full assembly instructions included.

Suitable enclosure: FB17 (order code 445-225)