$8.54

ตั้งเวลาเตือน, ตัดโทรศัพท์
[FK322]

• This circuit will cut the phone line immediately after prior warning for 2 seconds. • After warning ,if do not put the line down within 20 seconds, the circuit will cut the line off and cannot use the line again within 10 seconds. • Without having rely on its power supply. • Recommended housing : FB17 • PCB dimensions : 3.7” X 2.2”

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